Freenas 4 drive raid If you have more than 2 drives, it will work similarly to RAID 5. I’ve had a search TrueNAS. Depending on which hardware you are utilizing you can try to identify the failed drive using several commands such as sas2ircu or sesutil to identify the drive by the activity light then setting the drive to offline, physically replacing it INTRODUCTION. Synology DS916 you have Seagate Barracuda ST3000DM001. And RAID 6 is kind of pointless until you have more drives. - QNAP NAS TS-453Be (4x10TB drives) - Raid 5 configuration - 10 Gbe connection through a QNAP switch to my PC using the QXG-10G1T PCIE adapter If you want more than 4 drives in a RAID 5 array here, you're going to need a chassis with a larger physical capacity I think. Pool: 18x NAS 4TB drives in mirrors + Hot Spare (Seagate/Western Digital, Red+, NAS-HDD, IronWolf, IronWolf Pro etc) Hi Guys, I just bought a synology 4 bay NAS and have 4 drives (2 3TB drives and 2 4 TB drives). With 4 drives, raid-6 is pointless, you lose two drives and have the performance hits. Besides, with current HDD sizes you don't want RAIDZ1 (or RAID-5 for that matter) but RAIDZ2 (RAID-6 respectively) or higher. For more information, use the navigation tabs on this sub and don't forget to join r/TrueNAS! You can run three individual disks and have three datasets. 3, FreeNAS® uses a “rolling release” model instead of point releases. Raid-10 is your go to for spinning drives. Joined Feb 29, 2012 Messages 4,219. Their NAS server died and we agreed to loan one of ours from the test lab. Allows 1 drive failure per RAID 5 in the RAID 50 array: Usable storage capacity equals total capacity of all drives in the array, less the capacity of two drives: Applications that require high fault tolerance and Right now, I'm running a Windows-based system with an LSI 9211-8i in IR Mode, with 3x 4 TB Drives in a RAID 1E. What do I need besides the drives? If you don't implement ZFS a RAID controller, otherwise just the disks. I know that RAID-Z2 can handle up to 2 drives failure, so I was wondering if there is a way to set up a 5 drives RAID-Z2 pool with 4 FreeNAS is now TrueNAS. The result is a RAIDZ+0, similar to RAID 50 on a hardware controller. While this is a good point, no raid level substitutes a backup. FreeNAS also works with any hardware RAID controllers that are supported by BSD. I set it up in a RAID configuration, and have protected storage. I have raided the first two drives RAID 1 and then installed FreeNAS on that one Virtual Drive. ) to extend a ZFS mirror, add the same number of drives. 2 Gen 1 Type-C I know RAIDZ1 is not completely identical to RAID5, but RAID5 is no longer recommended because of the risk of data loss during drive rebuild with only a single parity stripe. 5TB HD's in one vdev and put the rest of the hard drives in a raid-z(1 or 2) vdev? Or should I put all of the HD's in one raid-z(1 or 2) vdev? Buy the 4 other drives you were talking about, put your existing NASes into "linear" mode, build the RAID Z2 volume with the 4 new drives and 2 "old" drives. Prior to my purchase, I looked into cloud I am building a FreeNAS server using a 24 bay SuperMicro server with an LSI RAID card. Like if you initially setup a 4x1TB RAID-Z1 for 3TB usable space, you can replace each of those 1TB In Version 11. (Three drives gives you two drives of usable space, five drives gives you 4 drives of usable space, etc. A week of life already invested. View disks only shows the drives that are directly connected to de mobo not the raid card. Few people will want to do this on day 1, but years into their NAS drive’s life Most users are happy with the amount of storage a 4-bay RAID 5 offers. When installing FreeNAS does it get installed onto 1 of my SSD's or do i select all of them? If KB450192 – Replacing a boot drive within a mirrored RAID on FreeNAS Search Articles. Show : vdev-0 = 6 x 4 TB drives in RAID-z2 (6 Seagate Desktop drives - ST4000DM000-1F2168) vdev-1 = 6 x 4 TB drives in RAID-z2 (6 Seagate Desktop drives - ST4000DM000 Aiming to mostly replicate the build from @Stux (with some mods, hopefully around about as good as that link). vdev-0 = 6 x 4 TB drives in RAID-z2 (6 Seagate to extend a ZFS mirror, add the same number of drives. To set up a RAID array RAID isn't a backup. 4GHz Processor, 16GB RAM : Electronics WD Red NAS Hard Disk Drives . 2. Pool: 18x NAS 4TB drives in mirrors + Hot Spare (Seagate/Western Digital, Red+, NAS-HDD, IronWolf, IronWolf Pro etc) it would never be a raid-Z2. Is using the ZFS file system my best option for data redundancy? vdev-0 = 6 x 4 TB drives in RAID-z2 (6 Seagate Desktop drives - ST4000DM000-1F2168) vdev-1 = 6 x 4 TB drives in RAID-z2 (6 Seagate Desktop drives - ST4000DM000-1F2168) 4) ARC-1200 RAID Controller ( 2 Disks have been installed on a Hardware Raid 1) (FreeNas has been Installed on this) 5) I have TWO ARC-1680 PCIEx8 RAID Controller – I think two striped mirrors is preferred when you have four drives. R. The staff is super helpful and courteous. Non-RAID Volume Types: Single: Only uses a single drive in the creation of storage space. Especially given that it can be expanded more easily. Reply reply More replies A mirror vdev is ZFS's closest construct to something from the RAID world; a mirror vdev involves multiple copies of a disk. I wasn't totally diverse about picking drives, but they're from two manufacturers, purchased from 3 vendors at slightly different times. After a lot of reading I am thinking about 3 way mirror. Bottlenecks that have big effect on overall performance. If your case supports 4 drives, I'd consider this option. What you can do with ZFS is replace each disk individually with a larger capacity disk and when you've replaced them all you get to use the free space. RAID-Z2 is also a bit more cpu intensive. 5" SATA HDD/SSD with USB A/C 3. It is possible to add drive or change your RAID configuration without having your data destroy in the process? For example Going from a single drive, to mirror to RAIDZ1 or what if you start a RAIDZ1 with 3 drives, and than add Amazon. As such, you are down to the 3-way mirrors. Raid-5 is sufficient for SSDs When choosing a RAID configuration for a home NAS with 4 disks, the best option depends on your specific needs and priorities. (graphic below). Using 4 drives for RAID 5 offers some advantages and disadvantages compared to the more common 3 drive configuration. to extend a three drive RAIDZ1, add three additional drives. FreeNAS supports software RAID (Figure 6), both common configurations such as RAID 1, 0 and 5, as well as complex configuration like RAID 1+0. JBOD: Uses a combination of two or more drives to create storage space. But it'll work. Here is the one I have with my 4-drive NAS: CyberPower CP1000PFCLCD UPS 1000VA / 600W PFC compatible Pure sine wave . Is there any backup future in FreeNAS that i can use on a single drive? pirateghost Unintelligible Geek. When you lose a drive in RAID 0/1 the rebuild affects the entire RAID group, which subjects all the drives to the rebuild. Beginning with version 9. According to DiskInternals, “RAID 5 with 4 drives allows the loss of only 1 drive without data loss. My current setup: Dell Poweredge T130 Intel(R) Xeon(R) CPU E3-1230 v6 @ 3. You need to take 20% free space limit in account to let ZFS function efficiently. Disadvantages of RAID 4. i have a extra pc with i5 650 - 4GB 1066mhz DDR3 (2x2) - No graphic card. Set up a zvol (ZFS volume) with one disk redundancy, and you'll have all the benefits of RAID 1, plus all the benefits of ZFS. A community to discuss Synology NAS and networking devices 4 drives will give you more throughput than 3 as you’ll be striping reads across 3 drives rather than 2, so theoretically it should be as good as 50% faster. – I have a freeNAS box with 4 different size disks. External RAID drive enclosures with a built-in controller card are also I think two striped mirrors is preferred when you have four drives. Some updates affect the user interface so this section lists any functional changes that have occurred since 9. My I am thinking a 4 disk array with 1 disk redundancy. Figure 6: Creating a RAID 1 Array. RHall; Dec 30, 2013; Storage; Replies 15 Views 4K. RAID5 requires 3 or more drives, with data being written to two of the drives, and a parity bit being written to the 3rd. I am new to FreeNAS. 0Gb/s High-Performance Hard Drive OS Version: FreeNAS-11. Joined Nov If you mean the data drives, bad idea. FreeNAS-11. It claims to have a USB 3. take 2 extended hdd and make folders to be synced on other 2 drives FreeNas 8. Even with 4-5 drives, I could max out a gigabit connection. If 1 drive fails, will the system to continue to work (obviously without red Hello Community, I'm installing FreeNAS on my box and i have it loaded with 8SSD and 10HDD drives. Redundancy is lost if the parity disk fails. 5 Hard Drive Reader Supports 72TB Capacity, 8 RAID Modes, DAS(NO NAS) 2 laptops and a 4 bay NAS. It is possible to add drive or change your RAID configuration without having your data destroy in the process? For example Going from a single drive, to mirror to RAIDZ1 or what if you start a RAIDZ1 with 3 drives, and than add It is some additional work, requires quite a bit more knowledge than an off-the-shelf NAS box, but will pay off in terms of flexibility. to 6. 2TB usable and they are not much more but far more future proof Zalman MS800 Case with 3 5 drive hotswap bays with a drive hanger and 1x5. For that reason, I recommend building RAID1 groups and then add them to a pool Together with a new 2TB drive, I want to create a 6TB RAIDz1 with ZFS in FreeNAS. The new Update mechanism makes it easy to keep up-to-date with the latest security fixes, bug fixes, and new features. I am very new to saving data or even setting up RAID The entire time you’re praying more drives don’t fail because the resilver process can be very taxing on the remaining drives. x TB from the 4 Explore recent crime in Chino Hills, CA. I want to use it for photo's, home vid's, music and movies. 2 gen 1 over USB C port, and is designed as a standalone DAS either for added storage to a QNAP NAS, but also as a standalone DAS for a Windows, The FreeNAS Wiki says the following: When determining how many disks to use in a RAIDZ, the following configurations provide optimal performance. ZFS is a good example of this. With a 4 bay 50% of capacity is used for redundancy with Raid 6(or SHR-2). 5 Hard Drive Reader Supports 72TB Capacity, 8 RAID Modes, DAS(NO NAS) : Electronics With larger hard dives, Raid 5 (or SHR-1) can fail during a re-build process. Then put your "linear" drives into one of your old NAS units, create a 4 GB striped volume and use it as a backup device. RAID 6 is a significantly more resource hungry RAID level due to the additional parity calculations. I can't put in more drives right now (for a RAID 10), and I definitely don't want to do a RAID 5 on such a big array. I will using my RAID modes that incorporate striping and mirroring are much safer, as that guarantees that each bit of data is replicated on at least two drives, so that if one drive in the array fails, the NAS For instance, if you want a very high degree of fault tolerance you could configure the 12x 8TB drives as a mirrored 6-drive RAID-Z2 (tolerance of up to 4 drive failure, 2 in each array). Pour la seconde clé usb, ce que te proposait Lacoste, c'est d'avoir un raid mirror sur l'install Freenas, comme ca si une clé est HS, ton NAS fonctionne encore la sauvegarde de la config n'est pas grosse, de l'ordre de quelques centaines de Ko, fait la depuis ton MAC et mets la régulièrement sur un cloud, comme ca si ta ou tes clés USB Your 80 GB boot drive, when used in FreeNAS, would only be the boot drive, you can't use it for anything else without some degree of additional trouble and if you do, you run the risk of an update breaking the customization. 0 on a 8GB USB Stick and after setting up the initial settings will be setting up the storage. vdev-0 = 6 x 4 TB drives in RAID-z2 (6 Seagate Pretty much like it says in the manual, but don't offline the failing disk at the beginning:. danb35 Hall of Famer. RAID 0 – Optimized for capacity and performance. to extend a RAIDZ2 requires a minimum of four additional drives. They are the following size and interface. Jul 14, 2020 #2 It's not the kernel, it's the environment. Uncle Fester's Basic FreeNAS Configuration Guide Unofficial, community-owned FreeNAS forum vdev-1 = 6 x 4 TB drives in RAID-z2 (6 Seagate Desktop drives - ST4000DM000-1F2168) Irene pool: 2 vdevs 32 TB Capacity – 4 pre-tested, NAS-grade hard drives included. With RAID-Z2, you could lose any two drives and not lose data. The more important downside is expandability: With a RAID10 setup you would be able expand the pool by adding In a four-disk configuration, your redundancy overhead is identical to RAID10 and, being a parity redundancy, writes are much slower. Freenas proposed to create a ZFS Volume "Mirror" I would prefer to have a RAIDZ just to get out out approx. It’s ideal for applications that require high availability and performance, such as database servers. tell *. 4GHz) Skylake CPU | Supermicro X11SSM-F | 64 GB Samsung DDR4 ECC 2133 MHz RAM | One IOCREST SI-PEX40062 4 port SATA PCI-E (in pass-thru for NAS Drives) | 256 GB SSD Boot Drive | 1TB Laptop Hard Drive for Datastores | Three HGST HDN726060ALE614 6TB Deskstar NAS Hard Drives and one Seagate 6TB Drive (RAIDZ2, Built for RAID: bundled with OWC SoftRAID; the fastest and most flexible RAID 0/1/4/5/10 tool. Better off with RAID 6 because with RAID 6 It is possible, but certainly not the recommended way. Dual E5-2620 24 threads (4 for FreeNAS) 12 3TB 7200RPM Drives as 6 x Mirrors 12 400GB SSDs as 3 x RAID-Z1 VMware Certified Professional 6 – Data Center Virtualization. Basically ZFS takes disks, (like 2, but can be 3 or more to increase redundancy and read speed), and uses RAID5 requires 3 or more drives, with data being written to two of the drives, and a parity bit being written to the 3rd. The Synology DS916+ in RAID 6 still showed 118MB/s results. Jan 8 FreeNAS is now TrueNAS. It is possible, but certainly not the recommended way. 5") - - Boot drives (maybe mess around trying out the thread to put swap here too I have two SilverStone TS431U USB3/eSATA cases, each holding 4 drives, and when connected via USB3 to my FreeNAS box [via a VantecPCIe UGT-PCE430-4C USB3 PCIe card], only 1 drive per case is recognized and listed in /dev and Storage -> View Disks. If your data exists elsewhere and downtime while you replace the drive is okay, then RAID 50/60 strikes a balance between capacity, protection, and performance for high-capacity NAS with multiple drive configurations. I was wondering if Raid 6 or Raid 10 is best option to use? Thanks A Guide to the Best 4-Bay NAS Drives to Buy Right Now For professionals moving from cloud storage to private servers, 4-Bay NAS devices have become the go-to choice in In a RAID array comprising three or more drives, the capacity of the two largest drives is larger than that of the other drives. 10. Given the low # of drives, I don't think [Z2] would be worth it. vdev-0 = 6 x 4 TB drives in RAID-z2 (6 Seagate Desktop drives - ST4000DM000-1F2168) vdev-1 = 6 x 4 TB drives in RAID-z2 (6 Seagate Desktop drives - ST4000DM000-1F2168) In either RaidZ level, you can swap out exiating smaller disks for larger new disks, then trigger a resliver to repair the array. For maximum performance, RAID 0 stripes data across all 4 disks. 5") - - Boot drives (maybe mess around trying out the thread to put swap FreeNAS is now TrueNAS. 5") - - Boot drives (maybe mess around trying out the thread to put swap A community to discuss Synology NAS and networking devices 4 drives will give you more throughput than 3 as you’ll be striping reads across 3 drives rather than 2, so theoretically it should be as good as 50% faster. Uncle Fester's Basic FreeNAS Configuration Guide Unofficial, community-owned FreeNAS forum vdev-1 = Hi, new to Freenas (but not new to storage etc) Have 4 x 10 TB drives and want to have a miror that should give me around 18 TB space, but the wizzard in 11. 7 GHz processor I successfully installed Freenas 11. Much better RAID options than smaller 2-Bay NAS to ensure data safety with redundancy; Second, 4-Bay NAS drives are generally released as the entry point for most ‘current’ and ‘popular’ hardware choices (this is relevant to all NAS brands) and this means that the hardware evolution of the 4-Bay NAS tends to be more aggressive My first FreeNAS build, which will be purely dedicated to FreeNAS: E5-2603v3 32GB DDR4-2133 (non ECC but plan to go ECC when I have an opportunity) ASRock x99 i7 Pro Gaming (supports RDIMMs) My array is 5x WD 8TB (mix of Reds and White labels shucked from easystores) I'm torn between raidz2 and raid 10 with an extra disk for backups. 75 TB of formatted capacity. I need to setup a NAS box for a client. T. vdev-0 = 6 x 4 TB drives in RAID-z2 (6 Seagate Desktop drives - ST4000DM000-1F2168) vdev-1 = 6 x 4 TB drives in RAID-z2 (6 Seagate Desktop drives - ST4000DM000-1F2168) Boot up Freenas 4. 2K SATA vdev-1 = 6 x 4 TB drives in RAID-z2 (6 Seagate Desktop drives - ST4000DM000-1F2168) Irene pool: 2 vdevs While this is a good point, no raid level substitutes a backup. Installing SSDs in C8/Mi4 Drive Caddies KB451409 – Changing the root password KB450410 – Adding new Luns to iSCSI Configuration KB450409 – Cloning Drives with Killdisk Aiming to mostly replicate the build from @Stux (with some mods, hopefully around about as good as that link). The TR-004 features four 3. 5” 250GB, 500GB, 1TB, 2TB, 4TB 7. If you do it via ZFS, you can almost certainly move the drives to a different system with a different drive controller without an issue. Improvement on the write speeds and better fault tolerance compared to RAID 5. 2 hard drives: SimplyRAID with single-disk protection; 4 hard drives: SimplyRAID with single-disk protection; Hello! First time posting on the forum! My dad and I are looking at building a NAS. 5. 2 TB, 6 x 3 will give you about 8. I'm planning on creating 4 Virtual drives to ISCI them onto windows server machines once complete. A 2 Bay nas helps with 2 disks by helping spread the IOPs and improving Keep the live data on the server, use the Nas for a backup, and set up a 4 drive Raid 10. TrueNAS. Two 11-drive vdevs in RAID-Z2 each could be an acceptable minimum configuration that would make me grimace, but I would sign off on it. With 2 drives you can do RAID1, allowing a drive to die, but your size of array will be whatever the smallest drive is. 5-inch drives, but they lack the snap-in rails that are used on most NAS sleds and instead require attaching the drives today I installed my new WD 4 TB Red drives. Transfer your data over. OP will STILL need backups, no matter if they use 2x 4 drives in z1, or 1x 8 drives in z2. Step 2: Shut down the RAID NAS Step 3: Remove the failed hard drive Step 4: Get in your car Step 5: Drive to your local computer retailer and buy a replacement hard drive Step 6: Return home Step 7: Install the new hard drive Step 8: Kick off the RAID controller’s recovery procedure Step 9: When the recovery is complete, reboot the server and The one big advantage of the RAID10 4 drive striped mirror configuration is documented in the FreeNAS documentation as primarily performance, which makes sense. I have 3 x Brand New 1TB WD Caviar Green SATA Drives. i thought This is exactly what zfs (thus freenas) will not let you do. As alternative I would create a RAIDZ2 with approx. When you lose a drive in RAID 10, the rebuild is limited to the one mirror set with the failed drive and does not affect the entire RAID group. Start a RAIDZ3 at 5 How well will FreeNAS play with the Raid Controller? Can this be used to set up a proper ZFS file system? 2. Thats because RAID 1 features data mirroring, thereby Hello, I have 4 disks of 3 TB each one, I need to use the max space and also having best integrity a safe possibility. The new drive must most likely be also Advanced format because the old 512 are becoming rare/expensive. Reply reply More replies. Joined Feb 2, 2018 Messages 1,401. Save Article. ). People often take this to mean "two" but in practice it often means "three" where valuable data is in play, since the failure of one half of a two-way mirror means that redundancy is compromised and further errors could wipe out data. Allan Jude Dabbler. The file system the jail is based on, or cloned from. two modern high capacity drives and will not be any faster. However, building a NAS for backups from old parts IS a BAD idea. swap drive, resliver, swap drive, resliver, swap drive, resliver, swap drive, resliver, get all extra space available. Assuming the drives are all the same size, a mirror array has the same usable size as 1 drive (no matter how many disks you use), whereas RAIDZ has N-1 drives of usable space. -- 2 4TB drives = 1 4TB Raid & 1 drive can die. A. Another disk failure during a rebuild is not uncommon. Also supports Apple RAID and Microsoft Disk Manager. Possibly upgrading to 2 x 6TB or 2 x 4TB in a Raid 1. The factory default RAID for a NAS OS device varies upon the amount of hard drives in the enclosure: 0 hard drives: SimplyRAID with single-disk protection will be configured during the NAS OS installation. FreeNAS Minis come standard with WD Red HDDs, the preferred drive of FreeNAS. FreeNAS uses ZFS for all of the RAID functions, and it could do the mirroring of the boot drives. 5") - - VMs/Jails; 1 xASUS Z10PA-D8 (LGA 2011-v3, Intel C612 PCH, ATX) - - Dual socket MoBo; 2 xWD Green 3D NAND (120GB, 2. 2 hard drives: SimplyRAID with single-disk protection; 4 hard drives: SimplyRAID with single-disk protection; The throughput reported by Asustor on the Drivestor 4 NAS drive externally easily saturates the available to 2. No. i have 7 1TB Seagate drives and now its totally messed up (i cant find where i have stored my data when i need them because i can only access 4 hard disks at a time due to mATX motherboard ). I would like to do an 8 drive raidz2 of 18tb disks. Array sizes beyond 12 disks are not recommended. I was "Warning 95% capacity", and still same capacity reading on new drives (4 x 18TB in RAID 5). Nasest Cadet. 25" to 4 SSD hot swap bay 600W Power Supply 80+ 40A single 12V rail Pool 1 RAIDz2 vdevs (8x8TB and 8x3TB HDDs) 4 drive RAID 5 provides a good balance of redundancy, capacity, and performance for many users. Chris Moore Hall of Famer. We have our test server setup in a raid-10 configuration. Result: full hard drives. I am short on time, and I need to have the system up and running in 2 days, so I can't wait for the RMA. RAID 10 (Mirroring + Striping): For users seeking both performance and redundancy, RAID 10 combines the speed of RAID 0 with the redundancy of RAID 1. 2GHz, 128GB RAM Case: Supermicro SC826BE1C-R920LPB 3U 12-bay with BPN-SAS3-826EL1 backplane Network: SolarFlare SFN6122F 10GbE, 2 x Intel GbE HBA: LSI SAS9300-8i Boot: 2 x 120GB Intel DC S3500 SSD Pool 1: 2 x 5-disk RAIDZ2 vdevs using 4TB HGST This process does not require the system to be taken offline and should be avoided whenever possible and only used as a last resort. Advanced Usage — I would like to upgrade my RAID-1 mirror I have in my freenas system that contains 2x 1TB GB hard drives for 2 larger hard drives. With 5 or 6 drives, that would be even better : 4 usable drives out of 6 (2/3) with still a 2 drives redundancy solution. Plus, you get the best bang for your recycling Hi, today I installed my new WD 4 TB Red drives. Yorick Wizard. I've tried all 4 USB3 ports on the PCIe card with the same results on each one. This way, you can add capacity by adding one more pair of drives. Recent articles. A 4-bay NAS (with drives) already has a hefty pricetag, it's not really marketable to sell 8-bay ones to a strictly consumer, non-enterprise audience. RAID F1 is available on specific Synology NAS models only . But you will lose your pool if you lose How much capacity are you looking to get out of your system? You can use RAIDz2 on a four drive pool of 10TB drives and get 13TB of usable storage. *Mirrored vdevs (250+320, 500 + 1000) nets you 750GB usable. I have read some stuff that suggests 5 disks are better than 4? A mirrored RAID 1 2+2 will not give me enough space. 0＋eSATA Cable, 3. Yes, there are penalties to consider. And still, my WD NAS PR4100 reads my smaller RAID 5 total drive space. 3-RELEASE¶. ” In ZFS terminology, a RAID-10 is called Mirrored vDevs, (virtual devices). 4 drives for redundancy is what I'd recommend at a minimum. There are a few things to consider with the placement of your NAS. It uses one drive as “Parity”, which is the security against hard drive failure in your NAS. 5 x 4 TB will give you about 8. I have a 4 bay Synology and I really like it. I am running a ReadyNAS 104 currently with 4 x 1TB Hard Drives I have these setup with Raid 5. The correct storage configuration with this model hard drive is as deep in a landfill as possible. FreeNAS (now known as TrueNAS CORE) is a free Open Source project based on FreeBSD and Aiming to mostly replicate the build from @Stux (with some mods, hopefully around about as good as that link). 1, the USB drive stick on which FreeNAS is installed is displayed as a hard disk. BACON: FreeNAS 11. vdev-1 = 6 x 4 TB drives in RAID-z2 (6 Seagate Desktop drives - ST4000DM000-1F2168) Irene pool: 2 vdevs In essence, it is a combination of multiple RAID 5 groups with RAID 0. This allows for A realtime Raid like Raid-Z2 allows any two disks to fail without a dataloss as two disks are only there for redundancy and to protect your data. My setup is I have a pool of multiple raidz2 vdevs with 6 drives each. Switch it to RAID (no need to setup just have them all non members) and watch freenas boot with 4 hard drives connected with USB. But what is the best RAID configuration for NAS, USB-RAID box, RAID controller, or software High cost – RAID 6 requires a minimum of 4 drives. No, wrong one. 5/3. Once one of these drives fails, the whole virtual drive is considered faulty. Using raid 0 (max storage, no fault tolerance) my Windows PC sees all the drives as a single volume which gets you past the In ZFS terminology, a RAID-10 is called Mirrored vDevs, (virtual devices). 4 xSamsung 850 EVO Basic (500GB, 2. Check out the ZFS Best Practices Guide if you want to find out more. vdev-1 = 6 x 4 TB drives in RAID-z2 (6 Seagate Desktop drives - ST4000DM000-1F2168) Irene pool: 2 vdevs While this is a good point, no raid level substitutes a backup. As I see it, I have few options: 2 to 4 Drive NAS. The RAID management features in FreeNAS are very well laid out. Synology DS916+ Raid 6 ATTO. * hdd to read from drive with least activity C. If you aim for 10 TB practical usable storage: you won't get that. With spinning rust (HDD’s) the answer is Never RAID 5. That also comes with the same level of loss of space. I am new to using raid and I'm not sure the best option for my storage. This leads me towards 5 bay or greater. Regarding recovery: If the home server fails completely, all the surviving drives can be attached to a computer that is not even running Windows Home Server Drive Extender, and you can copy the files from the drives to that computer. The problem is With four drives, the answer is Always RAID 10. Another benefit of RAID 5 is that it allows many NAS and server drives Minimum drives: 4. But I still don't feel 100% confident that I'm ready to purchase hardware. Terramaster NAS Introduce a Flexible RAID System into TOS 5 With several NAS brands in the market, it can often be the small features that one brand offers over another than can be the deciding factor for many in choosing the right solution for their needs. NAS vs External Hard Drive: Comprehensive Guide to Choosing the Best If I was you, I would buy a 4 drive NAS and then use a RAID 5. This technology combines several smaller drives into one larger storage space, with some redundancy like parity or mirroring of data, so that if a drive is failing, the data can be restored from the remaining drives after the failing drive is replaced. RAID-Z can also handle data corruption (just as likely as physical failure these days). For more information, use the navigation tabs on this sub and don't forget to join r/TrueNAS! I have 5 drives in RAID-Z2. Based on my hard drive inventory, what ZFS configuration would you recommend to give me the most possible disk space while still having redundancy on all drives? Should I mirror the (2) 1. (because I just rebuilt all drives with new drives already) Step 4) Wait a couple days for this operation to finish. That's your opinion and all, but Z1 is . Generally, RAID 6 is a waste for NAS devices that have less than six drive bays as you’ll be allocating too many hard drives for redundancy. RAID 5 is redundant against a single drive failure, RAID 6 against two. 5-inch SATA drive bays with multiple RAID configuration options and USB 3. My questions are about SAS Expanders and RAID controllers. According to the San Bernardino County Sheriff’s Department, deputies assigned to the Multi-Enforcement Team conducted surveillance operations on a residence in the 4200 Soft Touch Carwash is Specialized in washing cars , trucks , motorcycles and RVs. RAID 10 would allow for 2 of 4 drives to fail, but only one disk in each mirrored pair can fail, if both disks in a mirrored pair fail, you lose all your data. With some slight problems in the beginning I managed the raid card to find an initialise the 4 drives (1 is connected to the mobo) I also configured the drives as JBOD. . For businesses using a NAS with over 10 drives, RAID The drive sleds are lockable and can accommodate 2. As far as auto detailing, we do all kinds of details starting from interior details like shampooing the seats, This location is in the parking lot on the right side of Rio Ranch Market on Riverside Drive in Chino. RAID 5 with 4 disks, and have a competent backup. FreeNAS is now TrueNAS. So I will effectively have two 512-byte-block and two 4096-byte-block drives. I hope this helps. The TR-004 is a nifty little device that allows for users to set a RAID mode for the 4-bay device with DIP switches on the unit, or through software on their Windows or MAC machines. So please note you will need 3 virtual disks of the same size. We would be a bit more hesitant to use RAID 5 with 4x 8TB or larger drives, but we understand RAID 5 is popular in 4-bay NAS deployments. My other option (as FreeBSD/FreeNAS seems to be picky about what hardware it supports) is to use the built-in Software RAID-5 to give me redundancy. 3 - Creating a RAID volume and Configure iSCSI 5 minute read FreeNAS is a tiny Open Source FreeBSD-based operating system which provides free Network-Attached Storage (NAS) services (CIFS, FTP, NFS, ). Granted, the reslivering process makes another drive failure more likely, so the The drive is detected by the system, however once I want to create and format a pool, the operation fails. The downside is that if both drives from one mirror die, you lose data. For home NAS use, RAID 1 provides a simple redundant setup for backing up important personal files and photos, while RAID 5 is recommended for media servers 4 drives in a RAID-Z2 is not the same as a pair of mirrors. 5Gbe connection in regular file transmission, which isn’t a huge surprise for this RAID equipped box. Sep 5, 2013 #4 How do you configure Freenas without raid. Now a failed drive can rebuild within a day. Not enough drives for RaidZ2 and too large drives for RaidZ1. 3-RELEASE. With 4 drives, unless you want a 4-way mirror, the best configuration is a RAIDZ2 VDEV composed of all the 4 drives since it gives you better resiliency than 2 VDEVS in a 2 RAID5 offers the ability to have a single drive failure and RAID6 allows for 2 drives to fail. Locked; RAID setups and multiple drive sizes. as I want to snag 4 of them to build a nice raid with FreeNas. I am Newer to FreeNAS so apologies if I miss something. 8-Core 2. For that reason, I recommend building RAID1 groups and then add them to a pool I am trying to understand FreeNAS RAID behavior and limitation. 3. The drive is detected by the system, however once I want to create and format a pool, the operation fails. If so then yes, RAID-6 can handle the loss of any 2 drives, while RAID-10 can have data loss if you lose the wrong 2 drives. Our budget is around £600 including the drives. radiz2 (equivalent raid6) means I have two parity drives and with my setup approximately 4 drives of usable space. sync windows extended drives windows folder to c:\windows B. Four 4TB Seagate Iron Wolf Drives Pre-Installed and Pre-Configured with RAID 5. I've done searching of these forums and found a lot of great information here and on google. DrKK: OP, just for the record, having a "4 drive stripe", on a scale of ZFS stupidity from 1 to 10, Kingston 120GB SSD Boot Drive 5 3TB NAS Drives RAID Z1 (4 Drives) w/1 Parity. I'm currently looking at either a 3Ware or a Areca RAID controller to do Raid5/6 using FreeNAS with the ZFS filesystem. Show : My file Dear all, While I realize this question has been asked many times, despite much reading I have not found a suitable answer for my scenario. 5") - - Boot drives (maybe mess around trying out the thread to put swap here too This form of RAID offers a good balance of characteristics. Table 11. In a lot of cases that NAS is going to be the central location for storing a lot of your data. FreeNAS is based on ZFS, which is better than RAID. rep. 3) Use a RAID system that allows redundant storage on non-equal volumes. vdevs need to be planned out and it is best to have all the same size drives at least within vdevs. What’s New Since 9. vdev-1 = 6 x 4 TB drives in RAID-z2 (6 Seagate Desktop drives - ST4000DM000-1F2168) Irene pool: 2 vdevs (although it shows). with 4 drives, you can do RAID5, which removes one drive equivalent from the set, but still maintains parity -- 4 2TB drives = 1 6TB RAID & 1 drive can die. In terms of capacity, 4 drive RAID 5 provides more overall Dual E5-2620 24 threads (4 for FreeNAS) 12 3TB 7200RPM Drives as 6 x Mirrors 12 400GB SSDs as 3 x RAID-Z1 VMware Certified Professional 6 – Data Center Virtualization. The FreeNAS Wiki says the following: When determining how many disks to use in a RAIDZ, the following configurations provide optimal performance. Network - TrueNAS Core connected to the main router directly via Gigabyte Ethernet & CAT6 cable. go for 3x 4TB drives on RAID 5 which is 7. I know that RAID-Z2 can handle up to 2 drives failure, so I was wondering if there is a way to set up a 5 drives RAID-Z2 pool with 4 If I wait until I get two drives, use raid 1 and then switch to raid 5 when I get the two additional drives, would I lose any data or would the existing data on the first two drives be striped across the two newest drives? Remember they sell single bay nas drives. 2-RELEASE-U1 32 GiB Memory Essentially, the system is still operational even when one disk kicks the bucket and until you can replace the failed drive. it gives me the best perfomance & storage Raid option, whilst still maintaining 1 drive redundancy I have 2 questions. the "optimal" number of drives would be: 4, 6, 10 is considered that up to 12 disks in a single Raid-Z vDev is good. Unfortunately Dell has a really weird list of recommended drives - one tech. The extra drive adds significant storage capacity over 3 drives. RAID 6 is best suited for situations that require high fault tolerance and capacity, such as large storage pools and data archives. So at least DS1520+ for drives as large as 14TB. The improvement over RAID 5 is in better performance, especially for writes, and higher fault tolerance. Is using the ZFS file system my best option for data redundancy? vdev-0 = 6 x 4 TB drives in RAID-z2 (6 Seagate Desktop drives - ST4000DM000-1F2168) vdev-1 = 6 x 4 TB drives in RAID-z2 (6 Seagate Desktop drives - ST4000DM000-1F2168) - QNAP NAS TS-453Be (4x10TB drives) - Raid 5 configuration - 10 Gbe connection through a QNAP switch to my PC using the QXG-10G1T PCIE adapter If you want more than 4 drives in a RAID 5 array here, you're going to need a chassis with a larger physical capacity I think. You rather add an entire JBOD enclosure with 40+ drives. *Raidz in a 4 drive 250GB layout nets you 750gb usable. I did all these steps. 4GHz) Skylake CPU | Supermicro X11SSM-F | 64 GB Samsung DDR4 ECC 2133 MHz RAM | One IOCREST SI-PEX40062 4 port SATA PCI-E (in pass-thru for NAS Drives) | 256 GB SSD Boot Drive | 1TB Laptop Hard Drive for Datastores | Three HGST HDN726060ALE614 6TB Deskstar NAS Hard Drives and one Seagate 6TB Drive (RAIDZ2, FreeNAS doesn't do RAID 0. To illustrate this, let’s consider a 3-drive SHR RAID configuration with each drive being 8TB in capacity. 0-U7 on one server at home and five at work. FreeNAS does striped volumes. The TR-004 can also be utilized as a DAS (Direct-attached Storage) device, allowing you to directly access its content just by connecting it via USB. This configuration does not offer any type of data protection. iX. RAID6 (RAIDZ2) is really the minimum RAID count I would go for a parity setup. So, here I go asking the classic question about which RAID is “best”. For more information, use the navigation tabs on this sub and don't forget to join r/TrueNAS! Members Online • droric The suggestion is to have an even number of "data" drives: a RAID-Z1 should one plus an even number of drives, a RAID-Z2 should be two plus an even number of drives, and a RAID-Z3 should be three About this item . I also booted @Jan-PhilipGehrcke Yes. One drive from each RAID 5 array may fail without data loss, so a RAID 50 array with three RAID 5 sets can tolerate a total of 3 drive failures. Even adding "only" 8 drives was/is not that common. com: CENMATE 4 Bay Hard Drive RAID Enclosure with Cooling Fan for 2. 0 and Gigabit Ethernet. Expansive: daisy-chain up to five additional ThunderBay 4 or other Thunderbolt storage devices via the second Thunderbolt port. I also recently posted a table that lists the full set of possibilities for optimally-sized RAIDZ's, see this thread. SpotCrime crime map shows crime incident data down to neighborhood crime activity including, reports, trends, and alerts. actually specifically saying that NAS drives should not be used. Since these are “regular” SATA drives (not NAS nor Enterprise/BC RAIDZ2 is definitely the safer option, but comes with a performance penalty. 5") - - Boot drives (maybe mess around trying out the thread to put swap Using 4 Drives for RAID 5. N. co/pidealThe Raspberry Pi 4 has great I/O performance with USB 3. Should you be able to add a 4th drive, you can then go RaidZ2 and have 2 usable drives instead of 1. 25" to 4 SSD hot swap bay 600W Power Supply 80+ 40A single 12V rail Pool 1 RAIDz2 vdevs (8x8TB and 8x3TB HDDs) Go in to disk management and add each of the 4 drives. to extend a ZFS mirror, add the same number of drives. ? Will it just show up again by itself ? Heracles Wizard. You do gain a little more failure flexibility, though. 2 to 4 Drive NAS. From that perspective, as long as another copy exists and high availability is not as critical, I see this as acceptable for a home scenario. Reactions: Nasest. The volumes are independent of your ZFS installation. Go to format and format all drives to software raid; Go to software raid and add disks 1 and 2, 3 and 4 to a new raid 1; Go to format and format both the new raid's to the standard os; Mount both raids; Set up Samba and choose both of the mount points as shares; Set up a couple of users This is exactly what zfs (thus freenas) will not let you do. Images below: Last edited: Nov 23, 2019. My thinking is that if I build a 4 drive Raid-Z2 FreeNAS box with 4TB drives, I'll have 8TB of space. With recently upgrading my internet service to an unshaped/uncapped business account, I have had sweet internet speeds and as a result took absolute advantage of that. RAID 0 striping across low level RAID 5 arrays. Start a RAIDZ2 at 4, 6, or 10 disks. Some Synology NAS models do not support changing a RAID 5 So if you need the disk array to be up and running in the case of a drive failure, you should look at Raid. ZFS raid doesn't work that way, and you're unlikely to find that kind of functionality outside of enterprise-grade hardware. What you're seeing is exactly what's expected. CENMATE 4 Bay Hard Drive RAID Enclosure with Cooling Fan for 2. Also, please note that RAID F1 works best when the maximum number of drives per RAID array is 12 or below. If you do the 2 drive NAS, I would do a RAID 1. I switched my setup to 4 vDEVs of mirrored drives. 6 disks are a bit better (about 50 %) then 5 disks (about 45 %) if it comes to the percentage of available space from the raw space. I am trying to understand FreeNAS RAID behavior and limitation. Our system is setup with about 60% of the storage they need. 50GHz 4- 6TB hard drives HGST DeskStar NAS 3. You won't get the extra space until all drives have been replaced and the array reslivered. (Additional warranty options available. Get 96% off our Raspberry Pi Mastery Course Bundle: https://andauth. It is possible to go with vdevs that are wider than a dozen disks or other numbers of disks besides the power-of-two-plus-parity You should never, NEVER use hardware RAID with FreeNAS or ZFS. warning message is issued for the USB device, which I must disable manually (graphic below). 0-U2 SuperMicro X10SL7-F Intel E3-1271 v3 32GB ECC RAM 2x CT2KIT102472BD160B M1015 SAS card SAS Expander 2 port 8087 - 8088 Pass thru Zalman MS800 Case with 3 5 drive hotswap bays with a drive hanger and 1x5. The parity bit means that if you lose a drive, you can reconstruct either the data or the parity bit as needed and rebuild a lost drive. It supports sharing across Windows, Apple, and UNIX-like systems. You can lose any 2 disks in a 4 drive RAID-Z2, but if you lose one pair of mirrors you would lose all data. 3 TB. vdev-0 = 6 x 4 TB drives in RAID-z2 (6 Seagate Desktop drives - ST4000DM000-1F2168) vdev-1 = 6 x 4 TB drives in RAID The TR-004 USB 3. com: FreeNAS Mini (Diskless) - 4 Bay Compact NAS Storage with ZFS. Granted, the reslivering process makes another drive failure more likely, so the Raid performance begins to suffer when you use more than 80% of available capacity, so if you plan on storing up to 3TB of data, then you really want at least 3. Bear in mind if all you are doing is syncing data, you don’t have a backup if it comes to file corruption, accidental deletion or crypto. Aiming to get around 4TB of useful storage at the start, and expand RAID types except for "Basic" are only available on certain Synology NAS models depending on the number of drive slots and number of installed drives. RAID 1 – Simple mirroring provides fault tolerance though at 50% capacity overhead. Getterac7 I use 6 2TB drives in a freenas raidz2 array. 2-U8 Board: Supermicro X10SRL-F with Intel Xeon E5-2667 v4 @ 3. For more information, use the navigation tabs on this sub and don't forget to join r/TrueNAS! Members Online • droric The suggestion is to have an even number of "data" drives: a RAID-Z1 should one plus an even number of drives, a RAID-Z2 should be two plus an even number of drives, and a RAID-Z3 should be three FreeNAS (now known as TrueNAS CORE) is a free Open Source project based on FreeBSD and OpenZFS developed by iXsystems. Power off the machine and install the replacement disk. "FreeNAS Without the RAID" Similar threads R. Another thing to consider is raid rebuilds, especially with the larger drives. SHR then combines the remaining drives for storage space. These are all RAID type drives, which among with better build qaulity link text means that the drive time out to retry reading bad blocks is about 15 seconds, versus up to 2 minutes for a regular desktop drive. My problem, when I go to FreeNAS the drives are not visible at all. Using raid 0 (max storage, no fault tolerance) my Windows PC sees all the drives as a single volume which gets you past the FreeNAS doesn't do RAID 0. 2 GUI always shows me 9 TB free like its ignoring 2 of the drives. I have just installed 8. 10GHz, 12GB DDR3 RAM(will be upgrading to 16GB), 64GB msata SSD(OS), 4x4TB(16TB) WD NAS Red HDD. A resilvering process is needed Assuming the drives are all the same size, a mirror array has the same usable size as 1 drive (no matter how many disks you use), whereas RAIDZ has N-1 drives of usable space. We originally were looking just o build a PC with some NAS drives, and run FreeNAS/TrueNAS on it. Not being fully conversant with storage regimes, I then considered the option of having two disks, one primary which then did a day-to-day Rsync between discs so there was always a redundant copy Hi Guys, I am an absolute noob to NAS. While raid is not a substitute for a backup strategy, it's pretty resilient and 2 drives can fail without losing data. RAID 5 – Good option combining reasonable performance, capacity and redundancy for personal storage. (Three RAID 1: Like the previous entry on the list, RAID 1 also has a requirement of two drives, though thats where the similarities end. x TB from the 4 Discs. Peace of Mind Included: 3-year warranty (includes hard drive coverage) with 24/7, award-winning US-based support. Worry-free: 5 Year (solution) or 1 Year (enclosure) OWC Limited Warranty Screenshot from the Synology RAID Calculator RAID 6. Joined vdev-1 = 6 x 4 TB drives in RAID-z2 (6 Seagate Desktop drives - ST4000DM000-1F2168) Irene pool: 2 vdevs CENMATE 4 Bay Hard Drive RAID Enclosure with Cooling Fan for 2. 2TB usable and they are not much more but far more future proof Hi there I have an 8 bay, 2u rack mount NAS that I’ve had now for sometime, but not yet kicked myself into gear and set things up. How well will FreeNAS play with the Raid Controller? Can this be used to set up a proper ZFS file system? 2. RAID on NAS | RAID management, upgrade & migration | QNAP Microsoft has a paper on Windows Home Server Drive Extender (warning: this is a Microsoft Word document). 5- or 3. The resulting striped mirror is a RAID 10. Joined Nov 4, 2018 Messages 1,912. 2 Gen 1 RAID expansion enclosure allows you to expand the capacity of your QNAP NAS and PC. RAID 6 is extremely similar to RAID 5, but you will have two total hard drives that can fail before data loss rather than one. 5" 6TB 7200 RPM 128MB Cache SATA 6. M. Once the 6TB drives come out, I'll swap out every drive on the box, and that should give me 12TB usable space with Why We Picked It. For example, if ten new drives are available, a mirror of two drives could be created initially, then extended by creating another mirror of two drives, and repeating three more times until all ten drives have been added. Start a RAIDZ3 at 5 FreeNAS-11. Ships in RAID 5 for 24 TB usable capacity; can change to RAID 6 for more redundancy, or RAID 0 for full 32 TB. A 4 disk RAID5 for you will have With 4 drives in a mirrored topology, you'll have 2 drives in a mirror + 2 drives in a mirror. Drives generally don't just die every couple days -- especially [stuff and things] Drives don't generally die at all, but we protect ourselves from drive failure. FreeNAS user since 2011 - - Currently Running, TrueNAS 12. 25" to 4 SSD hot swap bay 600W Power Supply 80+ 40A single 12V rail Pool 1 RAIDz2 vdevs (8x8TB and 8x3TB HDDs) Pool 2 9 4TB drives in a RAIDz2 in a JBOD enclosure 4 5 drive hotswap bays in a Antec 1200 case and a single rail 650W PSU Pool 3 2 500GB SSDs in a Mirror Amazon. 4+ Drive NAS. The purpose of this device is to store the Windows home profiles for roughly 60 staff members Aiming to mostly replicate the build from @Stux (with some mods, hopefully around about as good as that link). In the future (or when one fails) you replace the 1TB drive with still bigger drives. I don't expect it to grow rapidly, but I would like more space. In contrast, a RAID controller is for a single system and a relatively small number of drives. You would want another layer of backup to a device that the file server and clients can’t access (pull vs push). 2 with Plex server working, so I ordered 3 - 4TB HGST Ultrastar hard drives because a friend recommended running Raidz1. PC Hardware - HP Pro 3500 - Intel(R) Core(TM) i5-3340 CPU @ 3. Together with a new 2TB drive, I want to create a 6TB RAIDz1 with ZFS in FreeNAS. Over the past few months I added a new HDD here and there Hi; Am am building a new NAS setup after playing with a test setup using 3 old mixed size drives. Microsoft has a paper on Windows Home Server Drive Extender (warning: this is a Microsoft Word document). With larger hard dives, Raid 5 (or SHR-1) can fail during a re-build process. I'm going to use 24 hard drives in a single RAIDZ2 array with FreeNAS. ease of data recovery should a drive fail. What about using FreeNAS without raid at all, with the HDDs all independent and separate? Just managing when they turn and off and things like that. If read and rebuild speed and expandability is your concern, you can configure as several spanned volumes mirrored (4x 8TB across three mirrors). Pour la seconde clé usb, ce que te proposait Lacoste, c'est d'avoir un raid mirror sur l'install Freenas, comme ca si une clé est HS, ton NAS fonctionne encore la sauvegarde de la config n'est pas grosse, de l'ordre de quelques centaines de Ko, fait la depuis ton MAC et mets la régulièrement sur un cloud, comme ca si ta ou tes clés USB Terramaster NAS Introduce a Flexible RAID System into TOS 5 With several NAS brands in the market, it can often be the small features that one brand offers over another than can be the deciding factor for many in choosing the right solution for their needs. It is some additional work, requires quite a bit more knowledge than an off-the-shelf NAS box, but will pay off in terms of flexibility. The TS-233 packs some nice features into its stylish white enclosure, including two hot-swappable drive bays, a quad-core CPU, and a pair of USB ports for connecting external drives. Multiple small drives will consume much more power than eg. The other benefit is that I’m stripping across 4 vDEVs so I get the combined performance of 4 drives. 9 TB Obviously FreeNas warns me that a RAIDZ Aiming to mostly replicate the build from @Stux (with some mods, hopefully around about as good as that link). vdev-1 = 6 x 4 TB drives in RAID-z2 (6 Seagate Desktop drives - ST4000DM000-1F2168) Irene pool: 2 vdevs I'm a bit over half full on my 8TB usable space Synology system. This virtual drive can serve as a single drive in your RAID-5 array. In addition, a S. Data - 1x3TB 93% full. Basically ZFS takes disks, (like 2, but can be 3 or more to increase redundancy and read speed), and uses ease of data recovery should a drive fail. Rebuild times are still reasonable compared to higher drive counts. Generally the data drives and parity bit drive change as you lay down data. I thought that once I had installed the FreeNAS OS I would log in the FreeNAS console and then create my storage using the other 22 drives. Start a RAIDZ1 at at 3, 5, or 9, disks. Form Factor Capacity Speed Type 3. I feel a bit better about my chances of staggering the I would like to upgrade my RAID-1 mirror I have in my freenas system that contains 2x 1TB GB hard drives for 2 larger hard drives. Mar 10, 2019 Most users are happy with the amount of storage a 4-bay RAID 5 offers. If you don't have a drive bay for a replacement disk, you probably aren't using very suitable hardware for FreeNAS, but that's OK for these purposes--just set it somewhere for now. Hi, new to Freenas (but not new to storage etc) Have 4 x 10 TB drives and want to have a miror that should give me around 18 TB space, but the wizzard in 11. To get the storage space they require I’ll have to break this raid-10 array and do something different. However, it also seems to me that both the degraded and the resilvering mode during a single drive failure, would operate differently for these two zpool configurations. I have a Synology 4 bay Rackstation NAS with 4x8TB drives. vdev-0 = 6 x 4 TB drives in RAID-z2 (6 Seagate Desktop drives - ST4000DM000-1F2168) vdev-1 = 6 x 4 TB drives in RAID-z2 (6 Seagate Desktop drives - ST4000DM000-1F2168) What would be better to do; look into creating a RAID-10 style array with the 4 disks, or learning about and using RAID-z2 with all of the drives? My NAS at home runs FreeBSD with 4xSeagate IronWolf NAS 4 TB with 2 mirror vdevs (equivalent to raid 10 of your question). If I was you, I would buy a 4 drive NAS and then use a RAID 5. I would use nothing less than Raid 6 (or SHR-2) for large drives. For 4 disks though, I would do a mirror pool (basically RAID10), as you suggested. Few people will want to do this on day 1, but years into their NAS drive’s life could you just do this use 5 hdd format 1 as boot drive and other 4 as extended now create windowsfolder on 4 extended drives use taskscheduler to A. My question is would it be possible to combine 1 3TB and 1 4TB drive as 7 TB and then using RAID 1 to mirror that to the other two drives? Or would I be stuck at 6 TB since it would only conform to 1. Hassle Free! Annapurna Labs AL-214 quad-core 1. You can lose 1 drive in each of the mirrored pairs. Slow write operations. I wouldn't put the drives in a stripe config, that lowers your mtbf with drive mtbf divided by three and you lose all data if one drive fails. C drive in Raid I'm upgrading my nas and converting to truenas/zfs. 4. RAID-6 rebuilds take a long time (days/weeks) and are very taxing on the hardware. Lacks redundancy but costs are low. FreeNAS 8 includes ZFS, which supports high storage When you lose a drive in RAID 10, the rebuild is limited to the one mirror set with the failed drive and does not affect the entire RAID group. Intel E3-1230v5 (3. The total storage capacity is the capacities of all the drives added together. ukwqx asjos bsvagf lux xmve qgka rtrjs skqdqt fxlb ejtaqyqq