Re: vfs.zfs.compressed_arc_enabled=0 is INCOMPATIBLE with L2ARC at least in FreeBSD 13 (Was: Crash on adding L2ARC to raidz1 pool)
- Reply: Lev Serebryakov : "Re: vfs.zfs.compressed_arc_enabled=0 is INCOMPATIBLE with L2ARC at least in FreeBSD 13 (Was: Crash on adding L2ARC to raidz1 pool)"
- Reply: Peter 'PMc' Much: "Re: vfs.zfs.compressed_arc_enabled=0 is INCOMPATIBLE with L2ARC at least in FreeBSD 13 (Was: Crash on adding L2ARC to raidz1 pool)"
- In reply to: Lev Serebryakov : "vfs.zfs.compressed_arc_enabled=0 is INCOMPATIBLE with L2ARC at least in FreeBSD 13 (Was: Crash on adding L2ARC to raidz1 pool)"
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Date: Sat, 13 Jan 2024 17:11:18 UTC
Hello, It looks like the issue is fixed in OpenZFS 2.2 (and thus in FreeBSD 14-RELEASE): https://github.com/openzfs/zfs/issues/15764#issuecomment-1890491789 Cheers, Alex ---------------------------------------- Jan 13, 2024 12:26:50 Lev Serebryakov <lev@FreeBSD.org>: > On 08.01.2024 18:34, Lev Serebryakov wrote: > > I've found that all my L2ARC problems (live-locks and crashes) are result of OpenZFS bug which can not support L2ARC with un-compressed ARC (vfs.zfs.compressed_arc_enabled=0). > > It is NOT hardware-depended (and my NVMe is perfectly Ok and healthy) and could be easily reproduced under VM with all-virtual disks. > > I've opened the ticket in OpenZFS project (https://github.com/openzfs/zfs/issues/15764). > > Maybe, FreeBSD need ERRATA entry? > > > Previous threads: > > [1] ZFS pool hangs (live-locks?) after adding L2ARC > [2] Crash on adding L2ARC to raidz1 pool > > -- > // Lev Serebryakov