On Sat, 09 Aug 2014 00:10:13 +0200 Killian De Volder <killian.de.volder@xxxxxxxxxxx> wrote: > I'm having some trouble with a disk of unknown cause. > As a result the disk is now "failed" > > #dmesg > [362288.463008] ata3: exception Emask 0x10 SAct 0x0 SErr 0x90202 action 0xe frozen > ... > [377997.666956] md: super_written gets error=-5, uptodate=0 > [377997.666960] md/raid1:md126: Disk failure on sdb3, disabling device > > I replugged the disk, and added it again to the raid (it is now called sdf instead of sdb): > > # cat /proc/mdstat: > md126 : active raid1 sdf2[5] sdd2[0] sde2[3] sdc2[2] sdb2[4](F) > 102272 blocks super 1.2 [4/4] [UUUU] > > So I wanted to remove the failed disk: > > # mdadm /dev/md126 -r failed > mdadm: Cannot find 8:18: No such file or directory Hmm.. that looks broken. What version of mdadm is this? Does mdadm /dev/md126 -r detached work? How about mdadm /dev/md127 -r sdb2 Thanks, NeilBrown
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