Unraid btrfs cache pool. Searching for this answers provides wildly varying opinions. Even switching back to a single drive BTRFS was chugging my system. Jan 2, 2024 · From my research it seems well documented that when you use drives that are not spinning drives with ZFS, it tends to leave allot of performance on the table. Nov 25, 2024 · Check System Logs: Go to Tools > System Log in the Unraid interface or use SSH to view the logs (/var/log/syslog). I have 2 new 1TB drives, and want to replace the 4 existing o May 21, 2023 · I'm redoing my cache drives and splitting them up, I,e vms, dockers and downloads. The only downside of XFS is no cache pool functionality (at least it WAS, not sure about now). Look for BTRFS-related errors. I had some early issue with BTRFS and the cache pooling was constantly giving issues. The general consensus I have found is that you don't want to run ZFS unless you want to use some of the file systems advanced features like De-Duplication, Snapshots, ect. Mar 12, 2025 · Hi - I've seen a few posts on this but they all refer to version 6. unRAID v6rc4 I have 3x 128GB SSDs in a BTRFS cache pool that I use for Docker confguration and VM image storage: In a quick chat with jonp in this thread, we both assumed that We would like to show you a description here but the site won’t allow us. I just came across the option to schedule "Balance" and "Scrub". Common culprits are: Metadata corruption. The only cache pools that I have that aren't RAID1 are those that I used for download shares, where I can reacquire the data that I might lose if a drive fails. Connection issues (less likely with NVMe) I was using BTRFS for my cache but I started having issues with corruption after upgrading from 6. X, so I just want to check what the recommended process is for version 7. 11 to 6. Is this something I should be doing regularly? I've not used this before. Then I decided that I wanted mirrored cache drives so I moved to ZFS a couple of weeks ago. 0. 12 in September so I switched to XFS. The second drive is still present and has a green ball, but shows an unmountable file system unRIAD wants me to format it. Sep 6, 2022 · Hi I had two drives pooled to create a BTRFS (RAID1) cache, but overnight one of them has failed and gone offline. I switched to XFS a few years back and haven't wanted or needed to switch back. 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. How can I recover from this situation? I assumed that in th. Would it be better to move to ZFS over btrfs? Each pool would be a single drive (ssd or nvme) Would they benefit from snapshots For backups? Thanks Nov 28, 2021 · Hi, Can anyone help with the procedure to replace the 2 cache pool devices (hard disks) with 2 SSDs (sdab, sdak) using CLI? I prefer using CLI (btrfs replace commands) instead of moving the data to the array and then back because I have Plex data, so it will probably take ages. Misconfiguration in the cache pool. I have a cache pool with 4 drives (2 x 240 GB and 2 x 500 GB) in it using BTRFS in RAID 1. The Minimum Free Space setting for a pool tells Unraid when to stop putting new files onto the pool for User Shares that have a Use Cache setting of Yes or Prefer. Feb 22, 2023 · I'm running two NVMe drives (BTRFS) in RAID1 for my main Cache pool. I understand that Jun 4, 2015 · I was going to post this in defect reports but figured I would start here since I don't know if there is an issue or not. fhwdko xomqu accg lyr wqari bjbbwr uxaer fihfzx sooqw fhrnqm