raidsetsetfaulty gave back an error (scrolled off the screen and the machine has since seized up. raidhotremove pretty much hung up trying to get disk access. I was hoping I could tell the kernel or the md driver to mark it bad and take it out of the array. Thus spake Derek Vadala (derek@cynicism.com): > > I've got a disk that's starting to fail hard. It's generating alot of > > errors in dmesg and /var/log/messages. If the raid disk gets any usage > > it'll lock up the box it's spewing errors so fast. I can't get out to > > physically yank the disk until Tues but need it off-lined now. Is there > > a way to tell mdtools (version 0.42-33) to mark a disk faulty and not > > use it? > > I'll assume this is a RAID-1 or RAID-5 and that you're not trying this on > a non-redundant array... > > > # mdadm /dev/md0 --fail /dev/sda1 > # mdadm /dev/md0 --remove /dev/sda1 > > The first command fails /dev/sda1 (a member of /dev/md0) and the second > command removes it from /dev/md0. > > If you are using raidtools try: > > # raidsetfaulty /dev/md0 /dev/sda1 > # raidhotremove /dev/md0 /dev/sda1 > > -- > Derek Vadala, derek@cynicism.com, http://www.cynicism.com/~derek > > - > To unsubscribe from this list: send the line "unsubscribe linux-raid" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html :wq! --------------------------------------------------------------------------- Robert L. Harris | PGP Key ID: FC96D405 DISCLAIMER: These are MY OPINIONS ALONE. I speak for no-one else. FYI: perl -e 'print $i=pack(c5,(41*2),sqrt(7056),(unpack(c,H)-2),oct(115),10);'
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