Unraid cache drive full. Nov 5, 2021 · btrfs fi df /mnt/cache.
Unraid cache drive full Simple SSD 180Go. Sep 22, 2012 · Yes do the transfer before adding the cache. The SSD cache really won't gain you too much compared to a platter cache unless you are willing to tweak both the sending computer and the unRAID machine Mar 17, 2021 · Unraid 6. 5tb (in bytes, i have a 4tb cache), save as "moverignore. By dar998 December 16, 2018 in General Support. Sep 11, 2021 · It appears my cache drive failed as the drive is in an unmountable: not mounted state. Deswegen startet auch Docker nicht. Yet the gui shows size 120GB, used 35GB, free 0B I don't understand how that is possible. Found myself some time tonight to shut the sever down and swap out the mobo and cpu. When the mover finishes check that your cache is empty (any files on the cache root will not be moved as they are not part of any share) When unRaid started out, this was a problem as people with slow disks were seeing quite slow write operations to the array. Installing Cache Drive(s)# Aug 23, 2022 · A couple days ago I found my server to be unresponsive i. Click on your Cache drive 3. I have a single share atm with all my files in it. Ideally the mover should of ran and moved files over but when running, this is what shows up: Most recent changes: 1st Mar Sep 22, 2023 · Hi All, Hopefully an esy issue that i cannot google-fu My Cache Drive states in the unraid UI that it is full but running du shows that only ~130GB is being used, can someone help. invoke mover, wait for it to finish 5. I could now se ALL my drives, and also my cache drive. Note: Your post will require moderator approval before it will be visible. After looking through the logs, I noticed my cache drive was full. I've switched all the storage options to array and the only one running on cache should be appdata. Mar 25, 2021 · Diagnostics are from 14th after I reformatted cache drive last time. When writing directly to cache, I get full speed 1,12GB/s. Downloads will go to the cache drive first, then get moved to the hdd array via schedule. I then was planning on picking up a 1TB nvme ssd as the cache drive. The only things on cache are appdata-prefer downloads-yes domains-yes (empty) appdata and download No, you tell Plex that media shows up in /media/movies or whatever, it doesn’t know what disk that happens to be (Disk 1 or Disk 2 in the array, cache pool, whatever). change drives However this is a little painful and slow. But I have some images that got moved to the array, and now I can't copy them back, even thought the cache has 97gb free and the VM image I am copying is only 30gb. Set the minimum 4. I have attached screenshots and the diagnostics. files from the array were moved to the cache Jul 12, 2015 · Hi, I just installed unraid on an old pc with a working copy of windows on it to test it out, thinking that unRAID would format all the drives itself. I dont need most of that data so I tried deleting it, but everytime I try it says read only file syste Sep 15, 2021 · Anyway, last night, the VM paused, and when I went to resume, I saw that the drive shows that it's 100% full, with 0bytes of available space, and 318GB in use. rebuild cache as btrfs mirror. After the cache is created you have the process right. What i'm trying to work out is the best cache settings to use, whilst also minimizing HDD drive-spin up, and SSD write usage too (obviously depends on the apps Beyond that, a second cache array to store my VMs, Dockers, and any data I want high speed access to. Movie file shows up in /media/movies. log. Apr 17, 2018 · Under Settings->Global Share settings you can set a Min Free Space value for the cache drive. Of course I didn't realize that Unraid puts these in a RAID1 config, somebody should seriously put a warning popup when people do that! Isolate the actual cache from the stuff that runs better from an SSD. 12. Instead, they will get moved to cache. I was binhex krusader to manually move stuff from cache to array. Dec 27, 2018 · None of your user shares are set to move files from cache to array. That's why UNRAID made the DISK 2 folder and began using that. If it's writing to a share that has the cache drive enabled, the data after the drive fills up will write directly to the data disks and calculate the parity as if a cache weren't present. Unraid handles that and makes it transparent to the applications. When assigning the drives I selected one 1. 'Yes' if memory serves means everything is stored on cache first if there's space and then the mover will move it to the array. So, certain references to a file in /mnt/user could also be a reference to Aug 31, 2014 · If the naming is the only thing, Sickbeard will do that after the fact quite nicely. If you do not mind the temporary lapse in protection you can disable your parity until the 5 tb is transferred, this will have the same effect as using the cache drive without having to move the data twice. When copying files from an external drive using Midnight Commander it tells me that the disk is full. What is taking up all of your cache? Have you been writing files to the top level of cache? Only folders are part of user shares. I did tinker with VMs at one time, but don't use them. Normally, it operates smoothly and manages files efficiently and mover runs as expected. /var/log/docker. Reply to this topic; Oct 6, 2024 · Thanks for linking to this from the movertuning page. Proceed with the FAQ procedure to replace a failed cache drive. The SSD only has 500GB and I am copying 2TB. Yes will write to the cache and temporary store files on the cache until mover runs and moves the files from the cache drive to the array. 4. I can power cycle, as right now the server is on the screen as in the picture. However, since the upgrade, after a short period of time, from 1-3 days, Docker would crash and wouldn't be able to be Aug 31, 2019 · Light Mode Dark Mode. In addition you can set your appdata to cache: prefer to allow it to spillover to the array if the cache happens to be filled. Jun 5, 2021 · If you are filling cache every 3 hours then you should reconsider whether to use cache for those writes. Thr mover direction maps to what used to be Use Cache = Yes and Prefer. Worst thing is, if you try to copy a file bigger than 200 GB, it will start copying until it hits the minimum free size on your cache disk, then the copy will just fail. I am not sure where the issue lies. Now I have to figure out how to reistall Jeyyfin and get it running on the array instead of the cache. Apr 14, 2023 · 2. Product; News; Apps; Use-Cases; Docs; Support; Pricing . I will answer it now just in case it is still relevant or someone stumbles on it. Set cache drive desired format to XFS or BTRFS, if you only have a single cache disk and are keeping that configuration, then XFS is the recommended format. Disk layout is dual parity (3+4TB drive), three (xfs) data drives ( Mar 4, 2011 · First writes to the SSD cache will be a little quicker compared to a platter cache drive but then the rest of the writes go the array at a much slower speed compared to a platter cache drive. I thought this was done automatically. Jun 20, 2020 · What are the extra steps needed for an encrypted cache pool? Right now with an non-encrypted pool you can remove drives 1 at a time by simply unassigning and then starting the array and making sure the rebalance job finishes (see FAQ for full details) With an encrypted drive though this does not work and trying to remove a drive will kill the pool. Because it’s new, this happens to be on the cache drive. with and without trim, and still see the issue. My cache drive also disappears upon restart and I can't start the array because there's no cache drive. If you want the full TB of space then you can change the RAID method in the settings of the pool. You can assign your HDD as a cache device and designate share(s) as cache only or cache prefer using this HDD cache "pool. Diagnostics attached, and thank you in advance for your help. But may add back a little stability until you can get a (bigger) cache drive. /mnt/user is files on pools and on array. 8. I am now in the process of moving 25TB of media from hard drives from other computers(now attached to the unraid server) to my media share. Unless I'm misunderstanding where you're moving data to the cache drive from, or vice versa. No idea why it's trying to do that, it should be REMOVING files from it, not adding them! Jan 3, 2023 · Should I reformat my cache drive and instead use xfs for the cache drive or is there something else wrong that I haven't found? tower-diagnostics-20230103-0906. (images below) May 27, 2021 · Yes: Keep on the cache but also on the array. So I added a schedule for Aug 31, 2021 · Unraid 6. If you write to the /mnt/user0 it goes to the Array (disk). It will NOT stop you manually placing files there or an application (e. 6. When I tried to find out what data is on the disk, I only found 174GB. If a share has its primary storage on a Pool (cache) and you write to /mnt/user/ShareX it goes to the Pool (instead of the Array). Mover will send files on the cache drive @ 3:40am (You can change this under schedule on the settings tab) so you can keep copying. I've even stopped the docker and VM Manager before running the mover. 1. Dec 15, 2021 · I am having trouble with my cache disk jumping from 30% full to 100% instantly (70% warning never triggers). I can't find a setting for this. I tried running the mover and that did not cleanup the drive. 2_1 x1 WD Green 960 GB NVME SSD - The other NVME that was the first drive to go missing - Previously installed in M. Aug 8, 2019 · Unraid OS 6 Support ; General Support ; Cache drive full Cache drive full. Start new topic; Recommended Posts. The cache drive has about six dockers on it and that is about all I use it for. img stopped suddenly. Feb 17, 2024 · Sorry I missed this all those months ago. Apr 20, 2018 · My hope was a setting that the cache will be fast as long as the cache ist not full and reduce speed when it is full. The pool is saying I only have 1. I'm an unRAID newbie giving it a go. Like an instant (I don't know the term unRAID uses für moving the files to the drives) working all the time. I have 1x1TB and 3x2TB in separate cache arrays, and wouldn't do it any other Sep 15, 2014 · hmm interesting!, i had a similar issue with cache drive showing as full, again it had 40GB free, i couldnt start a windows kvm vm and finally located the problem to /var being full, if i did a df -h /var i could see 100% was used and this was preventing the creation of the kvm vm. 37 votes, 32 comments. Only: Only stored on the cache, never moved to the array. We have been talking about Minimum Free for a pool, such as cache. Cache drive is 120gb SSD. Initially after install the total size displayed was correct, but now it is almost half? Am I missing something about configuring cache pools or preparing the SSD ? Nov 6, 2022 · ah welcome! If you are looking for a rabbit hole, Unraid and media is a great one to fall into 😀. But, how Unraid decides that cache is too full depends on the setting for Minimum Free in Global Share Settings. Now the problem is the cache SSD is full. Also, cache is only used if you have the shares configured for it. Also, I would add the CA plugin "mover tuning". 1 is full of 'read-only file system' errors. Oct 4, 2019 · I would think telling shares to not use the cache drive would keep data off of the cache drive. 64. I had read somewhere about fast cache and regular cache, but maybe I didnt fully understand. " The only difference is what happens when the cache drive is full. Apr 9, 2021 · Click on Shares and change to "Yes" all cache shares with "Use cache disk:" set to "Only" or "Prefer" Check that there's enough free space on the array and invoke the mover by clicking "Move Now" on the Main page. my dockers weren't running. You can post now and register later. Using the cache will cause your data to be unprotected until transferred to the array. Start new topic; Oct 20, 2019 · Return from work to find out cache drive is full! None of my dockers are running, lack of space I presume. Die M2-SSD fliegt raus. The media share is set to "yes" on use cache. You need to determine which shares have files on the cache, and possibly change the cache settings on those shares to move those files to the array. set all shares that use cache to cache=“yes” (make note of what they are set as so you can go back to that) 3. I'm unable to set this "full" limit and leave some headroom for new files (say 100gb). If you can't see my sig, go to the upper right of this forum page, click on the dropdown next to your name and go to Account Settings and turn on View signatures. If you go into the share settings and click on the cache text it should explain what each one does. 3 - average 20-30 MB/s, peak reported 40 MB/s* With a cache drive: Unraid 4. I ordered a larger cache drive, and when it arrives, I was considering using my drive duplicator to clone it to the new drive. However, the SSD is 1TB large and there are 706GB occupied displayed. Also if you have your docker image saved on the cache drive your dockers will also fail and cause issues when they cannot write data to the cache. Aug 2, 2021 · Hi I am looking for some help to find what is taking up the space on my cache drive. 13) to serve files, photos and other important data to the household. If, however, you're writing directly to the cache disk, the write operation will fail once the drive runs out of space. (18446744073709551606 128 195762913280) Jan 12 03:36:55 Unraid kernel: BTRFS critical (device nvme0n1p1 Feb 5, 2024 · Hello, My docker. New sata cables for my 3 drives and that was it. If the cache has less space free than that number it will just skip over the cache and start writing directly to the disk. Followers 1. change all shares to cache=yes 4. Nov 5, 2019 · Maybe I'm too used to use Windows where you shouldn't fill drives too much, minmimum 15% free space is a common number. I have 1x1TB and 3x2TB in separate cache arrays, and wouldn't do it any other It checks for the cache drive to be more than 60% full, and for files to be older than 25 days old. 8 rc8 i just setup a 500gb cache drive. 7mb used, 120gb free on the cache drive. Oct 20, 2024 · root@box:~# fdisk -l /dev/sdi Disk /dev/sdi: 1. My appdata folder totals about 20GB Sep 25, 2024 · I noticed my services were down and saw that "docker service failed to start". While transferring the media, the cache drive fil Mar 8, 2020 · 5. View More. Change the shares that need to permanently be on the cache pool to cache:prefer, and run the mover. Dec 19, 2020 · Hallo zusammen, ich möchte meine bisher genutzte M2-SSD gegen eine größere SSD austauschen. In the short term you can change your appdata share to "prefer" which would then start to move appdata to the array as the cache drive fills up. NVMe/SSDs can only be used as cache in Unraid, so you’re kinda of mixing it up in your questions. NVMe is your cache drive (or cache pool) and App Data should go on it. I have rebooted the server and no help. 1% now, I'll keep an eye on it. Oct 27, 2023 · I had a similar drive laying around along with a USB-C to NVME adapter added that drive as a Cache 2. set all shares to cache=“no” 5. My cache setup has been working flawlessly for literally years but now is now showing full. 1TB of cache, when I have 2. It started to get full, so I removed all those files. Verify the new cache volume is mountable with no errors, and shows the full capacity you expect. Anything being written to those shares will go to cache if there is room. 1TB of SSD's installed. a seems to be set to 500 GB and other shares to 1 TB, which gives the impression that the cache disk is permanently full. Depends on how your user shares are setup to use cache. I set the cache option of this share is on 'Prefer'. And the only shares that are on cache appear to be those that belong there. Aug 31, 2021 · Unraid 6. At this point, I see no reason to get anything less than 500gb anymore as the cost difference between 500gb and May 4, 2019 · I have 2TB of NVME cache. And of cause writing to the disks immediately after data arrives. Share is set to use the cache with 'yes' enabled. disable docker entirely, Set everything to "cache yes", run mover and wait until it's done, then set appdata/system to cache prefer, and everything else to not use cache, re-run mover, then start docker again and go from there. Oct 7, 2023 · This sounds like the old "Prefer Cache", where the files are stored on the cache drive unless the cache is full then moves to array, then when there is room on the cache drive again it moves back. run the mover, make sure nothing remains on cache 4. Make sure any shares that you DON'T want to use the cache pool are set back 10 votes, 16 comments. Unraid has no way to know how large a file will become when it decides which disk to write it to. I was able to "fix" the issue after finding my appdata folder to be nearly 1TB. 20G is often more than enough Nobody here is giving you a full answer just half answers. In my opinion the 1TB nvme is going to be plenty for a cache drive as you get comfortable with Unraid. I am now unable to start the VM (which is set to prefer cache). I followed this FAQ, which said just to stop the array, replace the drive and select the new drive and start the array only, will only allow for data to be stored on cache and will ignore any drive allocations in share until it completely full at which point it WON'T overflow to disk share but instead will keep orphanes on disk, i. Say you set that as your cache drive and set the cache minimum free space to 32 GB. I did a backup of my system (34GB) and did the update. In simple terms, with a cache drive configured, data is written to the cache drive, and copied to the array automatically later (maybe overnight). Jun 24, 2020 · Hey guys, Apparently I have a problem with my cache drives, but I have no idea what causes it. (Thinking I can have 2 separate cache drives and move my VM images to that drive. I have purchased a 1TB drive of the same type and manufacturer. Sep 15, 2014 · hmm interesting!, i had a similar issue with cache drive showing as full, again it had 40GB free, i couldnt start a windows kvm vm and finally located the problem to /var being full, if i did a df -h /var i could see 100% was used and this was preventing the creation of the kvm vm. My Cache drive is nowhere near full, my shares are configured correctly, yet I keep getting this log e Apr 24, 2018 · - 'prefer cache'/use cache'- file will get written to the array There is a new cache plugin that allows you to run mover hourly at a set threshold e. Cache size would depend on how much you are downloading, or how much you plan to store on the drive for VMs and Dockers. Jan 12, 2020 · I have suddenly found that my cache drive is read-only. 5. It is impossible to move from cache to array as fast as you can write to cache. Set my auto start array to off just in case and shutdown via the gui and Jan 11, 2021 · It was running out of space (per above). That means your drives will give you a 500GB mirrored cache. Non of my VM's can boot, the dockers look like they are starting new. Docs says that it'll write to the cache unless it's full, in which case it'll write to the array. zip Jul 11, 2023 · Help needed! I've encountered a problem with my cache drive (cache_transfer - 2tb) where it is unexpectedly filled up completely. Am free space ändert sich jedoch nichts bisher. Attached is the diagnostic zip. Restart array Dec 23, 2021 · If there is space on the cache drive, isos will be moved there by the mover. It only uses about 70 GBs of space. Sep 1, 2016 · I have a strange problem that's just popped up. Nun war er wieder 2 Tage im Betrieb, meldet jedoch, dass die Cache-Disk zu 100% voll ist. 5TB HDD asked to be formatted, however the 120GB SSD Without a cache drive: Unraid 4. Sep 30, 2012 · I went through and re-changed both share and cache drive free space. Once the cache drive was full I received a message that my drive is full and the copying stopped. After doing that, I noticed that almost half of my cache drive was used up. Is that normal? Shouldn’t Unraid just copy directly onto the array once the cache drive is full? Oct 9, 2010 · If you use a cache drive, then these difference disappear completely. Jan 11, 2021 · More likely is that you are overloading your SSD/NVMe drive's onboard cache which then reduces write speed to the actual write throughput of the drive. Because of that I checked the cache drives. I don’t use a pool but believe it is what you’re looking for. Not sure how to easily see how much data is ACTUALLY on there now but it's a 2 TB SSD, if I access the sh May 2, 2021 · I feel like the downloaded data probably filled the cache drive and then other processes that also use the cache drive were unable to write to the full drive, but my understanding of Unraid and Docker isn't detailed enough to know for sure. Due to large VM disks, my current cache drive is operating at nearly full capacity, which is causing several docker containers to live entirely on the array, slowing things down. When writing to a cache:yes or cache:prefer share, if the designated pool for the share has less than Minimum, new files will go to the array (overflow). I'm copying files into a SMB share using fastcopy. But if it runs full, it should move the files (from oldest preferred which seems most logical to me) . Nov 5, 2021 · btrfs fi df /mnt/cache. Apr 13, 2021 · A cache "pool" can be a single device or multiple devices. The 1. My primary concern is speed of the server as a whole when doing file transfers. I’m stumped. Everything that I can look at seams to be in working order. Feb 17, 2024 · Afaik. Link to comment Hi, I’ve just started transferring files to my 6TB Unraid setup that consists of a 2TB + 4TB HDD (plus parity and 128GB SSD cache). 0, it had been completely rock solid for me, literally zero problems with stability. 82 TiB, 2000398934016 bytes, 3907029168 sectors Disk model: CT2000MX500SSD1 Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disklabel type: dos Disk identifier: 0x00000000 Device Boot Start End Sectors Size Id Type /dev/sdi1 2048 3907029167 3907027120 1 Sep 14, 2022 · Sep 14 15:32:35 Media-Server shfs: cache disk full On your Cache drive your need to adjust the Minimum Free Space because that monitors the entire drive not shares. Weirdly it was still showing the cache drive as working in the UI. 5TB Either one is fine with me. All the SSD's have the right allocation in their menus. That's exactly what I want Only it's not working. In order to adjust this you need to do the following. That means the largest single file you can write to a cache enabled share is 200 GB (232 - 32). ) Mar 8, 2019 · I have two Samsung SSD'd for my cache drive. After reading some other posts here, I enabled "Disk Shares" from within settings. Like caches normally work. Click on View (folder icon) on the cache drive from the Main screen. What does it show is on cache? Jan 6, 2020 · dataserver2-diagnostics-20200107-0338. The server will contain 6 total drives, 12TB 7200rpm as the Parity drive, and 5x 8TB 7200rpm drives. I woke up to a full cache drive. I changed the share to us Sep 2, 2015 · I know that likely btrfs is to blame. (post trim the issue will still happen but takes longer to appear as the drives written blocks are taken up. Dec 12, 2019 · Unraid 6. Check out setting up a cache pool using both your NVMe drives. I deleted a couple of files recently downloaded to free up enough space to download a test file. 2 Cache drive full today Unraid 6. My array is safe now, and the bad drive has been replaced, however now when I try to use mover to move data over it says that the cache is full and it can't move files. Feb 20, 2021 · It should be in cache as long as possible (Don't want to waste the cache drive with being empty of course. You probably want to set your shares to yes rather than prefer. Checking the logs, unRAID seems to be trying to create directories on cache pool. I then tried adding the change to the Syslinux Configuration and rebooted (from the GUI not a full power cycle) and it shows the drive as missing just like When you assign them both to the cache pool, unRAID will automatically create a btrfs RAID1 pool. Totally not ideal because it will be SLOW as F. However, recently, Disk 7 has reached its maximum capacity (I think when mover Oct 4, 2024 · Hi All, 7. I have scrubbed, nothing found i have run btrfs check, nothing f Jul 1, 2021 · I have a PLEX folder on DISK 1, and a PLEX folder on DISK 2, and the share is set up for "split directory when required" DISK 1 is now full. The only time this would be a problem is if you download more data than the cache drive can hold before the next time mover runs. Looks exactly what i am looking for. The numbers on Data make it look like the drive is nearly full. In the show page, the rescan files will pick up new episodes in the show folders, and the preview rename will show a list of name changes it wants to make, and you can check the ones you want to apply, with a full season at a time checkbox that will check all episodes in that season. although actual data will be on disks it will only be a reference stored on cache. I have mine set to "30GB" to make sure any 20GB+ movies don't overfill. When the free space drops below this value then writes to user shares will bypass the cache and go straight to the array. First off the log gets full before the mover can complete (gets to 100 Aug 23, 2020 · Writing to folders Multimedia with cache gives me only 250MB/s which is very slow, compared to my other UR NAS which writes 1,12GB/s. I ran df and found that one of my dockers folder was not getting cleaned up. Found no issues. 5TB for storage and a 120gb SSD as a cache. I was organizing some Plex Media into folders like A-M and N-Z. e. If you have something set to only use cache it’ll fail to write new data. At least the cache drive isn't red and full anymore. g for my 500gb cache, I have set a 80% threshold so if at the hourly check point my cache is over 400gb full, the mover runs - if not it doesn't. Had a few files in it that were to be moved at 3am. I'm running two SSDs for cache (480TB and 240tb, 360Tb combined), and it's 6% full and I don't honestly know if when that number last changed. Wie gehe ich da am Besten vor ohne größere Probleme zu bekommen? Jun 5, 2021 · If you are filling cache every 3 hours then you should reconsider whether to use cache for those writes. Disk2 so on. How do I get stuff off cache drive onto array? The folder where completed torrents go to doesn’t use the cache drive after mover stopped working. But if the cache drive is almost full and you try writing a large file it will try and overfill the cache which can be a problem. If I turn the server off and back on, the array works with the cache drive showing and mounting correctly. . Mover is intended for idle time. I now get notices that my cache drive is full, run mover and nothing changes. My logs are full of errors so I am assuming something is off ep 10 12:41:00 Tower kernel: loop: Write e Nov 28, 2017 · All Activity; Home ; Unraid OS 6 Support ; General Support ; Unable to write to cache - Drive mounted read-only or completely full Mar 5, 2015 · It moves it to the cache drive first of course but then when I run the mover I run into issues. Existing user? Sign In Sign Up Apr 29, 2022 · Long time reader, first time poster. By vchris August 8, 2019 in General Support. 3 - average 50-60 MB/s, peak reported 101 MB/s* So generally speaking, a server with a cache drive has write speeds 2-3x faster than the same server without a cache drive. I have a simple setup with a six drive array and one 500 GB cache drive. Sep 1, 2023 · habe mich mit dem unRAID-Server lange Zeit nicht beschäftigen müssen. Last time I ran full hardware diagnostics to include memtest86. Oct 3, 2023 · I'm having an issue where the cache drive is filled up and I think it's causing issues running some docker containers. I wish it were easier to make the cache drive XFS. Diagnostics in the forum thread on unraid, because i don't know how to upload the zip here - HERE. If you do not have a cache drive, will store on the array, and if a cache becomes available the data will move to the cache. I rebooted the server, and it still shows that there's only 318GB of actual storage, even though it still lists the drive as a 500GB drive. Dec 16, 2018 · Unraid OS 6 Support ; Cashe Drive stays full Cashe Drive stays full. Ich habe mittlerweile „minimum free space“ beim cache drive auf 10% gestellt. Mar 11, 2021 · Hey, today i've come across a problem where my Cache drive is full and the mover does not move any files. Stop your array 2. Aug 19, 2021 · Thank you! I formatted the drive, and then reformatted the cache pool. My intent is to add additional cache capacity. XFS is only available as a selection if there is only 1 (one) cache slot shown while the array is stopped. You might also consider a smaller docker. g. However, I changed the UNRAID to use the CACHE drive, and began to copy files to the share ag Nov 13, 2024 · Sorry for the long description but I wanted to make sure that I provided a detailed breakdown 🙂 -- I've set up a dedicated unraid server (Starter license, 6. It defaults to btrfs now. After turning off and back on, I receive errors with "Drive mounted read-only or completely full. May 30, 2024 · I've been getting this issue on and off for months now. Also, CA Backup, takes a snapshot of all my unraid specific That share has my SSD set as a cache with “yes” set for “use cache pool for new files/directories). It WILL stop Unraid placing NEW files on the cache that are being written to a User Share. I've got a three disk array (one parity) and an SSD cache. Start array. ). May 23, 2020 · Looking in the logs there is various space issues mentioned and then I looked at my cache disk and noticed it was basically full. I run the mover manually and the used space does not change. update - Just run a BTRFS Check on the cache drive - Here is the status report [1/7] checking root items [2/7] checking extents data extent[2057591570432, 245760] referencer count mismatch (root 5 owner 5435779 offset 2976559104) wanted 0 have 1 Jun 16, 2024 · Now I have 553 GB free on the cache. Disable VM 2. It's good to separate them, since a full cache drive will grind to a halt - Meaning your dockers and VMs would stop working until some space is freed up by the mover. sv" and place it \appdata\scripts. Reply to this topic; Aug 25, 2018 · Many people are confused about those settings and wind up filling up their cache drive. Plugged into SATA3_0 & SATA3_1 This means that your "bunch of drives in a cache pool" are all in RAID 0 (striped across multiple drives) then one drive failure destroys the whole array. Sep 30, 2012 · My cache disk is now full (I went on a downloading spree) but it seems to not be moving over to the array disks. I don't mind if I lose the files in that cache drive, I knew the risks of using cache instad of the array, but I would like to recover if possible, and know what happened and how to prevent this. When I hit mover, nothing would happen (mover has worked in the past. Prefer causes data to spill over to the array; cache only does not. However, if you plan on running any dockers or VMs, it is always nice to have a cache drive for their images. Turn on help on the shares page and read the description of the different cache modes. Nov 4, 2024 · I use this cache drive to not spin up my array when downloading stuff or seeding torrents. Don't transfer more at one time than cache can hold. I am moving the media via krusader. I've looked into similar threads of other users who have this issue and it's normally due to a misconfigured "Minimum free space" setting. Part of that delete was Jellyfin, which wasn't working anyway. tower-diagnostics-20240616-2054. Any ideas? I have gone through the FAQ and searched the forums but couldn't understand what to do. I have done this, but there are still items from 'appdata' and 'system' shares on the cache drive, presumably as the system is using/editing files in the general running of the server. Prefer looks to move data from the array to the cache drive. What are your share drives setup as, Cache: Yes or Cache: Prefer? When you start mover, what data moves off the drive (and what data remains)? How often do you have mover run? 500gb cache will fill up quickly when grabbing 4k files. Jan 12, 2020 · Hi, I'm new to Unraid so I'm trying a few things, and among them I tried adding a cache drive to my arrray. (Screenshot and logfile attached). a docker container) that is bypassing the share system from placing files on the cache. 2_2, now uninstalled x2 Samsung 870 EVO 1 TB 2. disable docker 3. Sep 23, 2024 · 3. Oct 12, 2016 · I've tried to search for this, and hope I haven't missed anything obvious, but I just rebuilt my unRAID system and added a cache drive. A faster cache drive will allow you slightly faster writes, but again the difference isn't too much. Dec 6, 2017 · Hi - is there a known phenomenon where a cache drive might report being full one minute and 160GB free the next? Specifically when writing a lot of small files? I have been restoring my appdata folder, which contains a lot of small Plex files (about 1,000,000). I've tried a few things to resolve - run the mover etc, but this doesn't seem to do anything. By mwoods98 August 31, 2021 in General Support. So for the simple minded like me: Copy the scrpt to notepad++, change the "MAX_SIZE" to 3. I am seeing things very slow and I suspect it is due to the cache drive. Click on >_Terminal and post a screenshot of the results of this command: Nov 19, 2019 · this morning i could focus a bit more on the issue, where i found in the syslog that it reports "shfs: cache disk full" this is odd, since the GUI shows that there is more than enough space (i have mover scheduled to run on a daily basis to clear out all data that does not need to be on the cache). A 1 TB Black would make a fine cache drive, but then again, so would a 1 TB Green (EADS or jumpered EARS). So stupid me, I was using the cacheshare as a share and storing some files I accessed frequently since it's a SSD. I got a new motherboard and cpu for my unraid server. 5" SSD - in RAID1 as the new cache pool. I downloaded Diagnostics from this point. Then you can fine-tune mover settings. Nov 25, 2020 · So this happened the other day. anything at this point as it is driving me crazy, lol. I was under the impression the cache drive was a drive to allow data moves faster and that there is a copy of the files on the data drives. All my add-ons are currently running and the mover is working now. 2 Cache drive full today. set all shares to original cache Aug 13, 2023 · I've been running Unraid for 18 months / 2 years now and up until I think the release of 6. 0 beta 2. Sep 10, 2023 · Hi all, this morning my home assistant VM stopped working properly. 0. Oct 2, 2021 · The existing drive was 250gb and the new one 128gb. Aug 26, 2023 · Beyond standard suggestions like moving your App Data to its own Unassign Drive (or now an Unraid Pool), there’s a new strategy I’ve been using for over a year that I’ve come to like: a single, high-performance and high-endurance NVMe as my primary cache. Unraid is pretty forgiving, hardware and setup is pretty easy. May 24, 2022 · There are 2 separate settings involved. /mnt/user0 is only files on array. 3 I'm getting a repeated error: "shfs: cache disk full". Sep 21, 2022 · Hello Community I logged into my Unraid this morning and found that my cache drive is 71% full. true. However, I now have a new problem. There should be enough space on the shares to move the cached files to the array. The Cache disk was introduced to mitigate this. zip Quote Jul 31, 2019 · I have tested with the cache drive at normal levels of use 60% full and tested with the cache drive at near empty around 60gb. On shutdown it was complaining it couldn't write to the disk. That same section also has a more detailed explanation of the "Use cache" options. Nov 24, 2021 · This action caused those drives to get written to cache not the drive out right so now I have a 1TB cache drive full and mover won't move content over. Shares set to cache-prefer will never get moved from cache. Fix that configuration so that the cache isn't allowed to fully fill and you should be fine. again make sure nothing remains on cache, else go back to 3 🙂. 9. In other posts where users were faced with the "my BTRFS drive is full but not reporting that in the UI" issue, the size/used issue was identified in the btrfs fi show /mnt/cache command. Edited May 2, 2021 by 02ranger SOLVED May 16, 2021 · Check the minimum free space settings for each of your shares and your cache drive. The only change I've made is updating a quadro p2000 for nvidia transcoding for plex server (docker). Verify that the cache drive and ONLY the cache drive shows unformatted. Advice, suggestions. I was still able to log into it and I found my cache pool to be full along with a whole host of errors. Everything went reasonably well, but after setting up the cache drive it immediately filled up with data from my data drives. I haven't copied anything new to th Nov 18, 2024 · So, thank you UNRAID for giving me one less thing to think about in my life. Sep 26, 2024 · Join the conversation. Jun 8, 2022 · x1 WD Black SN750 1 TB NVME SSD - 1 of the NVMEs used in the original Cache Pool - Installed in M. They seem to be much too big - for example the share that's anonymised to M. I would need guidance. I had the minimum file size set to 100GB, I've moved it down to 2GB, I currently have it at 50GB, I've run Mover, nothing seems to change. So You say it's no problem to fill it pretty much to 100%, if I for instance set minimum free space to 50GB which is 0,5% free space, it's still OK? May 8, 2022 · For the past 2-3 weeks, my cache drive has become full. One of them has the following lines in Disk Log Info: Jun 24 03:41:08 NAS kernel: BTRFS erro Nov 6, 2022 · Typical way to change disks in your cache drive (single or pool) has been to: 1. Prefer: Will store on the cache, if the cache is full will move to the array. Feb 15, 2020 · Hi, Today i merged my unassigned SSD/data back into the main pool, and now have 2x 1Tb drives in a SSD cache pool for a 3x 4Tb HDD array. I suspect we could either: Replace the current 500GB drive with 1TB drive Add the 1TB drive to extend the cache volume of the 1. If you have an account, sign in now to post with your account. I was wondering if it was faster to just all the 2 new Cache --> array for every share except system, appdata and domain. i'm replacing my 2 x Crucial P1 1TB NVMe's with 2 x Samsung 970 Evo Plus 2TB NVMe's in my secondary cache pool, which hosts my Dockers & VM's. Does that make any difference? Am I seeing the same issue? Mar 27, 2018 · See FAQ for unRAID V6 linked in my sig for more about cache pools. I would probably just save money and go for the green drive. The cache pool is a RAID1. I've been mass downloading recently and assuming this is the reason. Apr 25, 2023 · b-----s shareUseCache="yes" Exists on cache, disk1 Since you have such a small "cache", you might consider switching that share to use the "cache-downloads" pool after you get it moved from the "cache" pool. Dec 12, 2022 · Just wondering if i've done this wrong. 7. Are there any logs or anything I can show? I have already hit the mover button a few times and doe Jun 17, 2024 · My cache drive is full, even after running the mover. It's not set up that way by default. Several of your shares (d-----s, M---a and others) are set to use cache = yes. Basically using 2 SSDs together as 1 cache drive. zip I left for a few hours to get dinner and drinks, and now it's moved, it's at 67. img when you recreate it. Shares are drive level Disk1. Please see this link and reconsider if prefer is really what you intend: Nov 27, 2018 · A share that is set to cache-yes will overflow to the array when Unraid sees that cache is too full. Aug 8, 2019 · " Cache: No" means new files will be created on the array, files already on the cache will not be moved. Edited August 18, 2020 by May 27, 2016 · When the cache drive is full the files written will be sent to the array instead (unless the share is cache only). ccp glgmkhco vdnqj zusqwng rbxwonr ysz hnirf fbqyct qcylv bhm