On Monday July 18, fzafra@xxxxxxxxx wrote: > I already tried that: > > root@Torero-2:~ # cat /proc/mdstat > Personalities : [linear] [raid5] > md0 : active raid5 sdg1[6] sdf1[5] sde1[4] sdd1[3] sdc1[2] sdb1[1] sda1[0] > 1367507456 blocks level 5, 512k chunk, algorithm 2 [8/7] [UUUUUUU_] > > unused devices: <none> > root@Torero-2:~ # mdadm /dev/md0 -r /dev/sdh1 > mdadm: hot remove failed for /dev/sdh1: No such device or address > root@Torero-2:~ # mdadm /dev/md0 -a /dev/sdh1 > mdadm: Cannot open /dev/sdh1: Device or resource busy Uhm, you might have a buggy version of mdadm. If you have 1.10.0, get an upgrade. Otherwise either sdh1 or sdh must be: open by some process with O_EXCL open via a /dev/raw/* device part of an md device (which it obviously isn't) part of a dm device mounted as a filesystem an external-journal device for a jfs or ext3 or xfs filesystem in use as a swap device open for writing under a security level of 1 (whatever that means..) an mtd device that is open (those are all the places that I can find that take an exclusive lock on a block device). NeilBrown - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
