I've read some stuff on the forum and some guides and … So here's my question. Been running Unraid with two shucked WD drives for two years now. Still I find dual parity pretty worthless for the array sizes in unraid. It offers 1x M. . I understand the concept of a parity drive but … Currently unRAID supports a maximum of 2 parity drives. Want to help the channel? First off, I've been using unRaid for over a month roughly and love it. I am not sure if my understanding is correct in this setup: 2 x 2TB disks. Then moving the old parity drive to the data array to increase … You can either build parity off of the drives in an array, in which case they are unprotected until parity is built or you can zero a drive and add it to the array, because a … I want to upgrade my parity drive size from 8TB to 16TB drives. Some drives are getting a bit tight. I'll use this new unRaid to: Create a complete … Answer by prostuff1: unRAID will only see one parity drive as it will be the one assigned to the parity slot on the Devices page. I needed to change the motherboard and CPU because the Intel build was … I have 2x14TB drives in my array in Parity and I'm going to be pretty close to using up what I currently have. 5" SATA slot for storage … So I currently have 9 8TB drive 2 parity and 7 data. Since 10tb drives seem to be a unicorn now, if I want to start replacing the 4tb drives, … Strange question for you goodly folks. However,replacing a failed drive puts stress on the system as all drives are read, so if another is going to go, it’s more likely to go at that time. I recently built another 25TB NAS using Drive Bender and copied … Hello, I recently added two 20TB drives to my array to server as parity. I request feedback regarding the following 2 options: SSD only with no … If 2 data disk fail (let's assume they get unplugged from the system) would unraid parity disk be able to restore the data if two new disks are put in place of the two data disks that had … Had 2 drives fail overnight. 2 slot and 1x 2. I was going to use the 4tb I added as well as the first parity drive I already had … Hi Guys, as in the title, this is my first multi-drive failure with UNRAID. I have been running unraid for less than a year. S. Is it overkill to have two parity drives for just four drives? I don't think I would need more than 20TB of space. 1 parity drive = lose any single drive in the array and you're still going. Add a 2nd parity drive. I will also be using two … Hello friends, Still fiddling around with the magical unRAID O. I'm currently using 6x 8TB drives (double parity and 6 data) and 2x 6TB … 2 data drives 0 parity, the drive i ordered for my parity was doa and WD gave me such a hard time trying to order a new one that i just said screw it and didnt get a replacement yet but i have … Parity drive in unRAID context means server uptime. This will be a backup storage. Wondering why you need Unraid though if you are going to continue to use the … My parity disk according to diskspeed is the slowest (a WD Red) drive by far. Is this … I currently have 17 Drives in my Array, 2 Parity, 15 Data drives. Contrary to what I would have expected from waking up to … I bought 2x 24TB drives to replace the 2x 10 TB parity drives in my array. Use the Unbalance plugin to move … If I have 4 drives, 2 are parity, always. When I set up my server originally I created it with 2 parity drives #1, and #2 each 12 TB. then the last 6tb would be fairly fast. If you keep the old parity drive, you can recover if you have a data drive failures during the first rebuild. Dual parity is an insurance against a very specific failure, exactly 2 … Fellow Forum Members, My Unraid system is still in the planning phase. If you had one drive dropping out during … Normally when i rebuild a drive it runs a bit slower until i get past the old 8gb seagate st8000dm004 drives which seem to limit me. I had been planing on just mirroring the drives and putting them in a pool for 18tb's of space, but cannot figure out how to configure them to … Is pulling and rebuilding both drives at the same time the fastest way? I'd assume so, but have no idea the overhead of all the additional calculations from dual parity. Post reboot logs attached. If you use dual parity, both drives … Imagine your Unraid server as a fortress guarding your precious data. When I built my DAS (direct-attached storage) and went above 10 drives I added another parity drive. 12. I'm looking to install Unraid on my NUC 11 i3 Mini PC (NUC11PAHi30Z). Might be a dumb question, but do I need to upgrade both drives … Unlike traditional RAID, Unraid doesn’t stripe data across drives. My server consists of a Ryzen 5 3600, Asus B550 Prime MB, 64gb ram, 2 M. Im confused on the order of operations since due to having 2 failed … After the swap and parity has been rebuilt on to the new 12tb drive I want to take the 8tb drive (former parity drive) and add it as a data drive in the array. The only drive issues I've had weren't even drive issues but cable, HBA Card, … Hi! I'm a newbie still. I have a newer Seagate Ironwolf in the array which is fastest, and 2 Seagate NAS drives (still … I added a second parity drive with my 10 overall drive. With single parity, you can only rebuild one at a time. What did you go for in the end, swapping one or both? If one which parity went first (I assume … Curious to learn about the 2nd parity drive. What is the likelihood of having 2 disks fail at the same time? Also, parity is not a backup. During this process, all data disks are read simultaneously. Starting now, I'd probably add a second parity drive with my 6th … I have a server with 6 internal drive bays and I'd like to attach a few more drives via USB for both storage and parity functionality. My first step will be to replace the two parity drives with 6TB … Im not an Unraid user, I'm running hardware raid with windows servers at home The more parity disks the better, especially with hdds. This has been beaten into my … In an Unraid array (and for pools as well actually) I suggest parity, and backups are mandatory for any system. And 2 SSD for cash. 2 parity drives = lose any two drives and you're still running. Now I'm getting "Parity Device is Disabled" I also added a Supermicro AOC … Hallo, hab mir nun auch einen Unraid-Server aufgesetzt und hab mal eine Frage zu zwei Parity-Festplatten: Bis jetzt hab ich eine WD30EFRX (3TB) als Parity und eine … Hello, I am going to be setting up a new unraid server here soon and racking my brain trying to think how many parity disks I really need. Mostly because when I started with unraid, dual parity wasn't an option. If it were, you would not obtain true "2 drives can fail" status. Assuming that can be used, if I end up removing the 3TB drive, leaving only… Hi Folks, I am building my first unRaid server. Can anyone please clarify the following for me. Hi! I'm new to Unraid. I run 7 spinning drives on my unraid server with 2 parity disks for all my static data replicated from Synology. With 2 parity you know exactly which disk had the error. 9. 2 of them have recently started throwing SMART errors so I want to replace them with 2 16TB … Parity checks A parity check is essential when your array includes at least one assigned parity device. I tried repairing the filesystem on disk … 2 disks is enough for a parity drive and hard drives are available beyond 20 TB capacity now. What is the correct amount of data parity hard … Hello, I am new to setting up a home server. I have a … I have 5x10tb drives (2 in parity), and 3x4tb for 42tb useable. My setup is a 7 disk, 10TB unRAID array with a single 480GB cache SSD. The drives are all enterprise helium filled drives. Is there any benefit to using 2 Parity Disks with 1 Data Disk? My array is comprised of 5 data disks and 2 parity drives - all 4 TB with an … I know the parity drive is the cornerstone of Unraid, but what if there's only 2 HDDs in a SFF build, and there might be issues with running a parity drive? My build is a mini … I am currently transferring 500GB from unassigned drive (onboard SATA) directly to a disk of the array (also onboard SATA) via Krusader. It was simple and … Hi Everyone, Based on SpaceInvaderOne's latest video regarding properly set up shares, I'm looking to upgrade my current configuration to keep media shares confined to one … When a drive is disabled, Unraid uses its parity and other working drives to emulate the failed drive. 25 years, but I do feel fairly comfortable with it now. No problems after both … I need to add more capacity to my server and replace a failed drive. older drives freed up … Then simply remove the 4 TB parity drive so you still have your parity to fall back on, and do a parity rebuild with the new 6TB drive. The Basic and Pro clearly state the number of drives they support so I … Here is my setup: I just purchased 4 new 10tb hdd to put in place. I now want the old parity drive 1 to become data disk 2. I am not sure how to … Using unRAID Server Pro version: 5. Next add a new 18TB drive. I know that parity drives needs to be at … Use your largest drives for parity - Data disks can't be larger than your parity disks, so use your biggest drives for parity to avoid future expansion limits. I currently have 2 older SSDs that one is a … Sure. Instead, it uses the parity drive to calculate and reconstruct missing data from a failed drive. I replaced one by one. I think your priority should be replacing those 2-3TB drives with 8TB ones. My suggestion when upgrading parity is to: 1. I want to go to 1 parity and 3 data. … Device Roles Unraid OS uses drives for various purposes: Array Devices, which fall into two categories: Parity Devices: Provide fault tolerance, … Hi all, I am currently doing a trial using the current stable version Unraid 6. Im on a plus license so can only add one more drive on that license. I simply stopped the array, shut down the server, removed one parity drive, installed the new 14tb drive, started the server up again … Situation - ALL Is well. The second server is a full backup of server 1 approx 130TB using the smaller. 0. My … It depends on how many disks you want to end up with. Assuming you want to keep the data from the drives you are replacing, you must rebuild them onto the replacements. Used to run 1 parity for 10 drives for years. I have 2 3tb wd red drives and 3 1tb drives to start with. That way your array is still single drive fault protected … Hello everyone, I have been reading through the forum but I still need to get a confirmation on this. You're right, you may not need it, but when a drive fails your entire system is on a tight wire. The system continues to operate, and you can still access the data stored on the … I swapped system board, added a new hard drive, and swapped one of two of my cache drives. I bought two new 16TB drives, which are being pre-cleared as we speak. My oldest drives are from Dac … Why Unraid? For years, I managed my own Plex media server using a stack of relatively unprotected disks, with BackBlaze as my backup solution. one parity drive and one data drive. So for me, any cmr (not smr) disk with the best tb/$ price (up to my parity size, I … Parity can be mismatched just like all drives (I think, though I read issues about it, I think parity 1 should be the smallest of the 2), but your biggest data disk can only be as big as your smallest … Hi All, I've just received 2 new drives for my Unraid setup, to replace 2 older drives in the array. and 2 data Drives each … I recently added a second parity drive 4tb in size. Yes you can use RAID1 for the parity but that is unsupported and I’m not sure how unRAID will respond. To fortify it against potential drive failures, you need a trusty guardian – the parity disk. 0 … I have a lian-li pc-q25 build happening just waiting on a part to put in psu. This project would start (really) small and I'm wondering what the … ver 6. 2 parity drives allows for 2 failures. I understand how … Should I be running 1 or 2 Parity Drives? Or more? (I recently helped a friend of mine get switched over to UnRAID, as well) currently I have 1 parity disk as it's about 35-40% full of media, some … Hi all! I've had 3 8TB drives sitting around for a while, and I would like to finally integrate them into my UnRaid Array as safely as possible, while not taking more steps than … So, I've always been with the understanding that a RAID 5 style setup should almost never have more than 3 storage drives to 1 parity drive. 2. Run preclear on … I kind of feel duped. No … Hi, I have four 10GB WDC Red HDDs. 4 are running off the onboard SATA, and 8 are … I have a 3TB and 4TB drive that I'd like to use as double parity drives. The system recalculates … I have 2x8tb and 2x10tb drives. 1 parity drive allows for 1 disk failure. One storage, one parity. Can i just 1) remove the 2 old parity drive 2) insert new one (pre-clear) 3) run parity? 4) use 2 old parity … would be nice for those with well into the large number of drives like 20-24 data disks where their potential to lose 2 or 3 at once increases dramatically that unRAID allows for … Yes. These 2 additional drives will simply replace 2 smaller … I am still kinda confused, how does dual parity work. I have a modest set up. If there's another failure … Adding a new larger disk to act as the parity drive, so that I can upgrade disks equal to or lesser in the future. So far it's been working great, but I wanted to consult folks to understand how parity works. 2. I am going to be running 8 disks with … QUESTION: I would like to run Unraid with only SSDs. I bought the Pro license because it says "Unlimited attached storage devices". How do I go about replacing … That's one rebuild. … Probably a noob mistake, but when you don't do it that often Anyway, I thought I followed all of the procedures correctly, but I think I messed up by keeping both parity drive in … It’s unlikely 2 drives will fail at the same time. This disk plays a vital role in … Hi All, few questions: I need recommendations on the sequence of adding a 2nd parity drive and 2 other regular drives. … Large-capacity enterprise drives, factory-tested and typically sold at significant discounts. I have a Synology DS918+ as my main NAS. One thing after reading unRaids documentation is I still don't understand how parity does what it does. I have 3 6TB … Hello everyone! I migrated to Unraid few months ago and i am very happy! works like a charm! Yesterday i put a new disk as parity 2 causes when i setup the server i just put … I can do either of the following: 1. It's … Hey I am hoping that someone can possibly help me out. 0-rc5. 1 to parity and 1 as … While my own recent personal unRAID server is churning along nicely I had an idea for another application. Go with 2 parity. Does it really mean, that having unRAID use dual parity I could recover from ANY … I am pulling two 5TB drives from my QNAP NAS and am debating using them as a pair of parity drives or just use the second one for my array. Had it running for test purpose, now on a new custom build homserver. I replaced the existing 2 x 14 TB parity drives. Here is my current setup: Parity 1 Partiy 2 Disk 1 Disk 2 I want to go back … I have 1 parity for 5 drives. Back in the day I would run raid5 on servers with a hot spare since that was the only option, then I would run raid6, and when speed was important … Hi all, New to unraid. Current parity drive is … Guys, i'm re-assessing my drive allocations across two servers. From my understanding, it is not a simple copy of the 1st parity drive. 6 GUI was unresponsive so I rebooted via CLI - unfortunately I forgot to grab the logs prior to reboot. If you don't have a parity drive and/or a backup of your files, your files are a common event away … My array is currently a majority 16TB drives, but there's a few 8TB N300s in there. Solution - time to switch from 3TB drives to 8TB drives. Current array in my Unraid v7. Most of my current drives are WD Red 3TB. I … Just ordered 2 bigger hard drive and plan to make it my new parity. I don't have physical space in the server to pre-clear the incoming 24TB parity drives. I just upgraded my UnRaid server Motherboard to a Gigabyte Z690 AERO D. Add a 2nd cache SSD. i have new drives being shipped out but am really worried about data loss. I’ve only been using unRAID for 1. Both disks are capable of … I just replaced 2 x 12tb drives with 2 x 14 tb drives as parity. I have 6 disks and have configured the disk as below 2-parity disk 3-data disk 1-Cache disk Everything is running … I have two 6 TB parity drives in my setup and looking to upgrade to two 8 TB drives down the road. Hi, I have made a boo boo I added a new bigger parity drive as parity drive 2 into my array. How do I … I am about to get my hands on QTY 3 of 2 TB Samsung NVME drives. They are all individually tested, and offer incredible price-per-terabyte value. I have 2 Parity drives - and I really like having 2 Parity … Hello unRAID experts! I’m about to undertake a big rebuild of my media unRAID system. I am curious if many of you run … I'm doing the same once the preclear finishes on my two new 14Tb drives. 2 2tb SSDs on the MB, and 12 total HDD. My current unRaid array has 25TB 10 disks plus a 4TB parity drive.
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