On 2/24/21 10:12 AM, Eric Sandeen wrote: > Last week I was curious to just see how btrfs is faring with RAID5 in > xfstests, so I set it up for a quick run with devices configured as: Whoops this was supposed to cc: fstests, not fsdevel, sorry. -Eric > TEST_DEV=/dev/sdb1 # <--- this was a 3-disk "-d raid5" filesystem > SCRATCH_DEV_POOL="/dev/sdb2 /dev/sdb3 /dev/sdb4 /dev/sdb5 /dev/sdb6" > > and fired off ./check -g auto > > Every test after btrfs/124 fails, because that test btrfs/124 does this: > > # un-scan the btrfs devices > _btrfs_forget_or_module_reload > > and nothing re-scans devices after that, so every attempt to mount TEST_DEV > will fail: > >> devid 2 uuid e42cd5b8-2de6-4c85-ae51-74b61172051e is missing" > > Other btrfs tests seeme to have the same problem. > > If xfstest coverage on multi-device btrfs volumes is desired, it might be > a good idea for someone who understands the btrfs framework in xfstests > to fix this. > > Thanks, > -Eric >
