LanguageFlag

Unraid btrfs cache pool. Jun 10, 2023 · I have a cache pool.

  • Unraid btrfs cache pool. Specs: AMD Ryzen 5950X, Gigabyte X570 Aorus Master, 128GB UDIMM ECC, 4x Seagate Exos SAS 16TB (48TB usable), Kingston KC3000 2TB, 2x Int Oct 10, 2022 · the cache pool shown a message some what like: one or more missing drive blabalbla /# mount -t btrfs -o skip_balance /dev/sdi1 /temp root@unRAID:/# btrfs balance Jul 11, 2021 · Cache is used to mitigate the negative effects of real-time parity calculation. Unraid cannot pull files onto the cache dynamically for read caching like storage-tiering file systems such as ZFS or Storage Spaces. Do keep in mind I have a unique setup with 256gb of ram; so my writes are in large blocks from the ram cache. When I replaced the boot USB disk, the system booted back up, but my cache pool (2 disks, btrfs pool) was offline and giving me unmountable errors. zip Jul 2, 2021 · Even though unraid doesn't have the old drive mounted, for some reason it is still using it in the BTRFS RAID1 and I don't know what to do to make my cache pool a single drive using ONLY the new drive alone. Unfortunately, whenever I try to push new files to any share that's set up to use cache (only, prefer or yes), I meet "disk full" errors. I'd like to confirm this is a good idea before proceeding. Before I remo Jul 8, 2015 · Hopefully someone better versed in unraid's implimentation of btrfs will chime in and say for sure how unraid wants things laid out, and whether or not unraid is expected to erase a drive in order to add it to a RAID pool. I have disabled the Docker Service and removed the remaining SSD from the pool. Brining my array into maintenance mode yielded me this on the read-only filesystem check against my cache Jun 6, 2024 · Moin zusammen, Als ich dieses Jahr mein Unraid aufgesetzt habe, habe ich erstmal auf die Standardeinstellungen vertraut. 5M files) which take such a long time. I am now on 6. XFS doesn't support that functionality natively, where as BTRFS does, and unraid doesn't support multiple arrays which would be needed for your parity driven cache pool. E. Note: Your post will require moderator approval before it will be visible. 11. Nov 19, 2022 · Servus @Lestad980 wenn es ein RAID1 sein soll ist btrfs gesetzt. But for my cache I'm using two 1 TB SSDs and I'm curious which file system to use because I want to store things like docker-data permanently on the cache pool and snapshots might come in handy. Alternatively you can use the ZFS plugin to create a ZFS pool but it's managed via the command line instead of via the GUI and doesn't directly participate in the share system Dec 7, 2023 · Hi All Hoping you can help me out after many years of running unraid i've run into a pretty big issue. Label: none uuid: 8e82d82d-f6f6-45d7-9e5a-d389fb0e0bb3 Total devices 1 FS bytes used 17. Jun 27, 2017 · My second system running btfs on cache still is where downloads temp go for decompression before moving into the array. Replace sdX with the disk assignment of the failed drive. 00GiB path /dev/sdk1 devid 2 size 223. 1. Files are only read off of the cache pool if the files exist on the cache. So far the failed drive won't recognize in unraid or on another PC. 03GiB path /dev/sdj1 devid 4 size 223. It has in the FS 14G Used in Unraid but in the btrfs show. I just came across the option to schedule "Balance" and "Scrub". I have a 4TB cache pool in RAID1 brts configured . Aug 27, 2022 · Looking for some advice on the best strategy for my server cache. Ich wollte das nun mal ang Dec 30, 2022 · My brain doesn't appear to be working right now and when I go to the cache pool and convert to single mode, it doesn't appear to expand the space available on the pool. The Hard Disks are running just fine with no issues, it is a mix of 12 TB Seagate Enterprise Drives and 8TB Drives. If you shut down the system then turn it on it comes back and works normally (can read/write). Btrfs has the ZFS features like snapshot and checksums to protect against corruption but should be simpler and more Aug 27, 2017 · Not sure what has happened, been running fine for awhile. Only then, did I notice that they were being pooled They appear as a 94GB BTRFS pool (which is less than it was with one drive). Feb 8, 2023 · What is the recommended choice when using a single cache drive (nvme), XFS or BTRFS? I'm not planning to add another drive to the cache-pool. e multiple drives) then the supported types are BTRFS or ZFS and the pool is formatted as a single entity. Seitdem habe ich kein BTRFS Cache Pool (RAID1) mehr sondern nur eine einzelne (XFS). Currently my Unraid system is running with a XFS cache pool for all my dockers and VM's. I have attached the diagnostics. Please can someone offer some assistance as to how to fix this? Whilst the server has been up and running well for some time, I am definitely a newbie so layman's terms would be appreciated. Any time I download anything to the cache, it quickly fills up faster tha May 6, 2021 · Hi, ich habe drei fragen an euch. If you have an account, sign in now to post with your account. 9. I know jonathanM isn't a big fan of BTRFS, and despite coming across s Jul 7, 2015 · The cache pool is set up to provide protection so that there is a copy of any particular data sector on at least two drives in the pool. Jun 20, 2023 · I decided to reboot after noticing that my docker image was unreadable as well as /mnt/user/system and anything below it. ) Mar 9, 2023 · After running btrfs dev stats /mnt/cache it looked like it had a bunch of errors so I ended up remotely shutting down by Unraid system. When I got home I restarted the system and it mounted by /mnt/cache drive in read-only mode, it is currently using 275GB with 1. 2 had format issues I learned after mucking around to add cache pool). You can post now and register later. Vor und Nachteile bzw. I already went to the FAQs "How do I remove a device from a btrfs or zfs pool?"to save anyone the trouble of telling me to go to the FAQs but I get the message "The page you are trying to access is not available for your account. By default, this will be a version of RAID1 to give redundancy, but other options can be achieved by running the appropriate btrfs command. " Feb 14, 2022 · Hallo, sollte nicht die Btrfs Raid1 Cache Gesammtgröße mit 240GB + 500GB bei der kleinsten Platte liegen? Gibt es hier einen Grund sich Sorgen zumachen, wundersame Speichervermehrung oder ist das richtig so? Feb 2, 2023 · Ich überlege aber, auf einen Cache-Pool mit BTRFS (sinnvoll?) umzusteigen. I have moved the cache drives to different controllers (nvme, add-in card and motherboard). zum Anlegen vom Cache hier ein Auszug aus den Docs: Adding disks To add disks to the cache (pool) in your array, perform the following steps: Stop the array. I want to start with the new native ZFS at least for my HDDs. But I know btrfs also supports Oct 31, 2020 · Btrfs is fine with stable hardware, better with ECC RAM (but no required), it can be easily corrupted by bad hardware, especially bad RAM, in some cases devices dropping can also cause issues, and having a UPS is always good to avoid unclean shutdowns, some pool monitoring info here. Problem is that I created an 1TB another image and I was stunned that after 400Gb on thi Aug 3, 2020 · I have had my Unraid server for a little over a year and have had recurring crashes at 7-14 day intervals as well as BTRFS corruption of my cache drive pool. Ah that totally makes sense. 36GiB Sep 1, 2022 · My unraid server has suddenly got BTRFS errors on the cache drive that are causing docker to not run. i keep my media and personal files on the zfs array, their data never goes to the cache pool the xfs pool drive is used just as a temp share, mostly not used for anything (only exists for i can start unraid array) Sep 3, 2024 · So I originally got a little too excited when I got new cache equipment and rushed them all into service into a single pool. Now, before I could move my appdata share to the array, I started getting this me May 7, 2020 · when I look at the my cache pool from here : I feel like my cache pool should have 514 Gb free and usable. Navigate to the Main tab. 1. I now want to split it so I can have downloads to one and another as a content cache. Im Ergebnis laufen meine Cache nvme und meine Pool SSD auf btrfs. Bedenken zu btrfs gibt es hier genügend Eintrage. At the moment I am backing up my cache to the array, so I can reformat the cache pool as has been suggested in previous topics. With 2 drives in a cache pool the maximum usable space is equivalent to the smallest drive so in such a case you want them to be of the same size for maximum efficiency of usable space. Unraid is advising I run a full balance. g. Nov 29, 2022 · If the tree log is the only problem it should be fixable with: btrfs rescue zero-log /dev/nvme1n1p1 Then try to mount again, if it still doesn't mount post new diags. Noticed today that my dockers weren't running properly and seen the errors in the log. This was running well since the past few weeks. , if you transfer a large file from/to the btrfs cache pool, all the dockers in unraid will lock up. The only file that I have on the entire disk is an 2. I replaced my original Samsung 970 nvme cache drives with crucial SATA SSD drives. But somehow the btrfs raid is missing those 2 extra devices. Is there a way to get this converted while retaining the data on the pool? I have 2x 1TB SSDs and was hoping to use all availabl Dec 6, 2021 · Hello, I started to get errors with my cache pool that the device is missing (Samsung 980 NVMe). What I tried so far, start the array in maintenance mode and try to check \ repair the filesystem. Suppose you have decided you want to use ZFS on your Unraid server. Oct 17, 2024 · Cache of one device, encrypted, 1TB SSD → Cache for the array disks New SSD: for the pool, two 1TB SSD for the cache, one 2TB SSD Questions: If I have understood it correctly, for the pool i will remove one old SSD, replace it with a new SSD and go through the procedure of the linked FAQ. Nun lese ich hier immer wieder, dass von btrfs insbesondere im Pool abgeraten wird. Aug 11, 2023 · Aug 10 19:43:05 Tower kernel: BTRFS info (device nvme1n1p1): bdev /dev/nvme1n1p1 errs: wr 69135141, rd 10897984, flush 41279, corrupt 67436803, gen 96154 Run a correcting scrub and post the results, also see here for better pool monitoring. Dec 6, 2020 · I've been agonizing over this choice for weeks, unable to pick between the 2 file systems for my main array (I'm already decided on going dual raid 1e for ssd cache/light vms). Thanks Jul 24, 2022 · Join the conversation. Mar 4, 2021 · Google einfach mal (unraid massive writes). Am I screwed now for adding a second cache drive and getting the raid1 pool? Does it need to be btrfs to support that? Or does Sep 26, 2023 · Hello, I recently had one of my cache drives fail in Unraid. My Unraid server has had a a lot of dirty shutdowns recently that have been unavoidable (I'm buys a UPS Soon), however the last one has broken my cache drive. Nov 2, 2023 · I had a sudden failure of my boot drive which (I'm guessing) caused the cache pool to get borked. I have found general answers for many of the questions I have about the choice but there are still ones that just don't Jun 27, 2017 · I currently still have 2x Samsung 850 EVO 1TB drives in BTRFS RAID1 for my cache pool. Mar 12, 2022 · Hi Zusammen, vor ca. Sep 4, 2023 · Hello team , I have an odd situation with my box. BTRFS is it. So wie ich es verstehe ist die Parität nichts anderes als ein RAID ersatz, dass bei einem HDD Ausfall über die Metadaten die Platte wiederhergestellt wird. Is this something I should be doing regularly? May 21, 2023 · ZFS is better, but it's also a RC implementation in unraid, so at this point, you may run into caveats still showing up in RC threads. Um das Array noch hochfahren zu können, würde ich dann einfach irgendeine alte SATA-SSD als Dummy einbinden. If you restart the system, the device disappears from the cache pool. (Because 6. Aug 14, 2024 · Hallo Unraid-Community, ich wollte bei meinem Unraid System die Festplatten aus dem Cache-Pool (btrfs auf 860 EVO SSDs) mit größeren (970 Evo M2s) tauschen und bin den Schritte hier gefolgt: Also die zwei neuen Festplatten ins System gesteckt und sie wurden ohne Probleme erkannt, diese dem Cache- Aug 12, 2021 · "Cache" is the name of the pool from pre 6. Cache pools are for generally for write-cache only. Jul 31, 2014 · The cache pool currently uses a BTRFS RAID 1 method to group the devices together, and therefore there is no option for controlling which files get written to which disk. I do keep a good backup schedule, but don't like downtime in case my cache nvme drive decides to fail. 1 Woche hat mein Unraid folgende Meldung ausgegeben: Event: Unraid Secondvmdrive disk message Subject: Warning [UNRAIDSERVER] - Cache pool BTRFS missing device(s) Description: KINGSTON_SA1000M8480G_50026B7682EAB561 (nvme0n1) Importance: warning Das Cache-Laufwerk war daraufhi Jul 31, 2014 · I've seen Unraid running btrfs commands when bringing up the array, and what worries me is, does it make any assumptions about the pool type in the cache and potentially screw up the configuration? I had tried this and it didnt work; best we wait for the feature to be implemented by lime-tech Sep 1, 2017 · Assuming that cache disks work in the same way the arrays do, I added an old 60GB SSD (Cache2) to the existing Cache (128GB SSD). com If using a cache pool (i. Yeah, this is on 6. I want to remove the 4 TB from the pool. Jun 27, 2017 · Issue is, anyone using Samsung SSDs (among other brands too) in a btrfs cache pool in unraid will see performance fall off a cliff due to partitions starting on sector 64. Jun 27, 2017 · Both cleaned up after changing the starting block. The device is still there and can be read from but not written too. I want to ensure I won't lose data and that it won't convert the drives back to RAID1. Jul 5, 2020 · I am 99. 51TB disk image reported as 2. On black friday I bought a second nvme ssd to run my cache in mirror, only to find out it's not possible on XFS. As for the BTRFS pool I've mixed in a non-samsung (SANDISK) SSD into my btrfs pool and it's really interesting to see how the two drives work differently. So currently I have 3 drives in my cache a 1 TB, 2 TB and 4 TB. Macht die Parität überhaupt sinn? Ich habe zwei 14TB WD RED Platten. 9 releases, so that is what your shares are likely configured to use and any path to cache you might have specified explicitly. 99999% positive I reformatted the new cache drive as btrfs, but just noticed it's showing as xfs in Unraid. Cache Pool is based on four Crucial Nvme P1 Drives on Raid0 using btrfs. Pretty much the worst case scenario it seems after reading back through this thread again. 57GiB used 175. 2 but was set up on whatever revision it was 3 years ago or so, so definitely pre 6. Ich lese immer wieder das es sehr l Jan 10, 2023 · Path of least resistance. assign new disk(s) to cache pool start array - a balance will begin, the stop array button will be inhibited during the operation, this can take some time depending on how much data is on the pool and how fast your devices are, progress can also be seen on WebGUI cache page “btrfs balance status” Jul 1, 2024 · Using a /mnt/user path can result in the data being read even if btrfs detected data corruption, so most likely the files were corrupt and need to be restored from a backup. Mit dem Update auf die neue (jetzt freigegebene) Unraid Version werd ich es wieder probieren mit dem BTRFS RAID1 Cache Pool. Today, I have a cache pool which is 2x 512GB and 1x 1TB SSDs in btrfs. . I have (had) two 1TB SSDs installed for a cache drive pool and one failed. 76TB in gui but anyways. I am almost done moving the 250GB of Plex data back over (1. 57GiB used 175 Jul 1, 2020 · The problem was cerated after starting the array with a missing cache device, this removed one of the devices from the pool, though the remaining device should still work assuming it was a redundant pool, but there's some issue with the superblock, I already asked LT to not allow the array to auto-start with a missing cache device, and hopefully that will be implemented soon, but for now and May 2, 2023 · I am new to Unraid and starting a complete new system. Feb 22, 2023 · I'm running two NVMe drives (BTRFS) in RAID1 for my main Cache pool. Nov 17, 2019 · I am running a unraid with both Hard Disks on the main pool and nvme drives on the cache pool. Using btrfs single, however, there may be methods to direct write operations to a specific disk as opposed to letting BTRFS "auto-decide". [*]Wait for the drive to be deleted from the pool (this will take a while) [*]Stop the array Nov 7, 2021 · No. I decided to reboot and now my cache pool of two drives won't mount. (And let me tell you that my ~$600 investment is really chapping my hide that unRAID people seems to not care about these issues at all, rendering it crippled. Right now the pool drive is formatted with BTRFS, since it has native Trim support in Unraid. ) Mar 16, 2022 · Hello guys, for years prior to this i used only a single drive xfs cache and never faced any problems. All my Docker-Containers + their persistent volumes are sitting permanently on the cache. Sorry to necrobump but I think that maybe using Btrfs would be a better idea for this use case of the individual disks in the Unraid array, since ZFS has more of a RAM overhead and it's really designed for use in a pool. Kinda, The unraid btrfs cache pool is used for unraid docker/vm default shares, they don't work on the zfs array drives. In that case, two videos have been created for a step-by-step guide through upgrading your Unraid cache pool to either a larger drive or just reformatting the one you have to a ZFS file system - all without losing a single byte of data! Jul 29, 2022 · Moin zusammen nachdem Unraid bei mir ohne Probleme lief, hatte sich heute die Cache Disk verabschiedet. IMO, the GUI lets me set it as a single drive again so it seems like a pretty big oversight that I can't un-raid the pool again. Jun 27, 2017 · Together as a BTRFS cache pool I am only getting 230 mb/s I have installed the latest beta, removed and reinstalled both nvme drives as a cache pool and reformatted to the MBR: 1MiB-aligned I have attached my diagnostics in case anyone can help please? unraid1-diagnostics-20200827-0900. XFS is perfectly fine in a "cache pool", but just keep in mind it's not possible to make it span multiple disks like you can with Btrfs. Kürzlich wurde auch geteasert , dass Unraid in der kommenden Version wohl ZFS-RAID unterstützen wird. Aug 22, 2019 · So then I started searching online how to recover my btrfs cache pool, then I quickly realized that did not enough reading about the btrfs system and its procedures. Following directions from here, I successfully moun Jun 10, 2023 · I have a cache pool. 30GiB devid 1 size 223. Nov 9, 2022 · Hi, I have been using unRAID for a litte over one year. Obviously it seems the first SSD, the 1tb is full and the second is untouched. I have run a scrub and f Jul 24, 2023 · Harnessing the Power of ZFS on Unraid. Dec 19, 2016 · Below is my cache pool information: btrfs filesystem show: Label: none uuid: 51aa87ad-1a53-4d13-8ab8-58d953785aaf Total devices 4 FS bytes used 189. Specifically, zfs can do raidz levels reliably as compared to btrfs. I'd like to remove the smallest drive. Quote Link to comment Feb 26, 2021 · My cache pool went read only after having some docker issues that lead me to reboot. Last year i decided to give multiple disk cache pools a go, to have a bit of peace of mind in case of a cache disk failure. It's not awesome because I have my container appdata on the cache as well as some VMs. 72TB free according to Unraid dashboard. (NVMe2 Evo970 Pro) Nachdem herunterfahren wurde der Slot gereinigt, und die Disk wieder eingesteckt. 00GiB path /dev/sdi1 devid 3 size 223. If you don't plan to ever use redundancy in your cache pool, you may find it's less effort to just use XFS in the long term, as XFS is much closer related to filesystems you're likely used to, like NTFS on I set up a btrfs cache pool with two SSDs in single mode. This happened to me previously and I solved it by moving all my shares to the array, formatting the drives, then moving them back. See full list on unraid-guides. Apr 26, 2015 · [*]Add the replacement drive to the cache pool [*]Start the array [*]Wait for the updated pool to rebalance [*]Open a terminal window and run: btrfs device delete /dev/sdX /mnt/cache. ttmplpx glzg xjtlqi jpkfik wgols dxhg newt xsvywf eqxmf wiy