On Thu, 07 Apr 2011 22:13:34 +0200 Nagilum <nagilum@xxxxxxxxxxx> wrote: > Hmm, I think you could: > - add a disk, > - reshape your raid5 to raid6 while using the layout where the raid5 > disks aren't really changed That would be mdadm --grow /dev/md0 --level=6 --parity=preserve (I think). > - let it finish syncing > - reshape the raid6 to raid5 taking one of the bad disks out I don't think that makes sense. (what command would you use exactly?) It would be better to remove the bad device and replace it with another good device (which means more dollars of course...) > > I'm sure Neil will let us know if this is nonsense. ;) Only half ;-) NeilBrown > Alex. > > ----- Message from rpfile@xxxxxxxxx --------- > Date: Wed, 6 Apr 2011 18:45:15 -0700 > From: rob pfile <rpfile@xxxxxxxxx> > Subject: 4-disk raid5 with 2 disks going bad: best way to proceed? > To: linux-raid@xxxxxxxxxxxxxxx > > > is there a way to construct a clean copy of one of the disks even if > > there are raid-correctable read errors? > > ----- End message from rpfile@xxxxxxxxx ----- > > > > ======================================================================== > # _ __ _ __ http://www.nagilum.org/ \n icq://69646724 # > # / |/ /__ ____ _(_) /_ ____ _ nagilum@xxxxxxxxxxx \n +491776461165 # > # / / _ `/ _ `/ / / // / ' \ Amiga (68k/PPC): AOS/NetBSD/Linux # > # /_/|_/\_,_/\_, /_/_/\_,_/_/_/_/ Mac (PPC): MacOS-X / NetBSD /Linux # > # /___/ x86: FreeBSD/Linux/Solaris/Win2k ARM9: EPOC EV6 # > ======================================================================== > > > ---------------------------------------------------------------- > cakebox.homeunix.net - all the machine one needs.. > -- > 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 -- 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
