August 29, 20241 yr Unraid Version - 6.12.13 After a reboot, it takes about 17 mins before all drives mount. It seems like the data drives (16+2 parity) are mounted but the ZFS Pool devices are taking a long time to mount. I have attached diagnostics and safe mode diagnostics. Please let me know if you need additional information. Safe Mode: Chose "Start" to start the array around the 2 min uptime mark 16+2 Parity at the 2 min uptime mark ZFS Pools at the 2 min mark: 13 min uptime All devices mounted and started displaying used/free space at the 16 min uptime. billstower-diagnostics-20240829-1619.zip billstower-SAFEMODE-diagnostics-20240829-1711.zip
August 30, 20241 yr Community Expert The cache pool is the one taking a long time, if can be normal depending on the type and quantity of files, also if there are a lot of snapshots.
September 14, 20241 yr Author Thanks for the feedback. I cleaned up a lot of files and removed some snapshots but it actually took longer to mount. Do you think this is due to it being ZFS? My 138TB XFS array loads quickly but the 6TB (mirrored) ZFS pool takes much longer (10-15 mins).
September 14, 20241 yr Community Expert Solution ZFS (and btrfs) are noticeably slower mounting the filesystem, but 10-15 minutes is excessive, you could try recreating the pool.
September 26, 20241 yr Author I recreated my pool. Before recreation, boot times where hitting 20 mins. Afterwards, im clocking 9 mins which is acceptable. Thanks for the input. Marking this as resolved.
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