I have a 4 disk RAID1 setup that fails to {mount,btrfsck} when disk 4
is connected.
With disk 4 attached btrfsck errors with:
btrfsck: root-tree.c:46: btrfs_find_last_root: Assertion
`!(path->slots[0] == 0)' failed
(I'd have to reboot in a non-functioning state to get the full output.)
I can mount the filesystem in a degraded state with the 4th drive
removed. I believe there is some data corruption as I see lines in
/var/log/messages from the degraded,ro filesystem like this:
BTRFS info (device sdd1): csum failed ino 4433 off 3254538240 csum
1033749897 private 2248083221
I'm at the point where all I can think to do is wipe disk 4 and then
add it back in. Is there anything else I should try first. I have
booted btrfs-next with the latest btrfs-progs.
Thanks.
--
Sandy McArthur
"He who dares not offend cannot be honest."
- Thomas Paine
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