On Sat, Mar 20, 2010 at 8:01 PM, Shane W <shane-kernel@xxxxxx> wrote: > Hello all, > > I am trying to convert a 5 disk raid5 array to a 6 disk > raid6 but am having no luck. I first added the 6th disk as > a spare then > mdadm --grow /dev/md3 --level 6 > mdadm level of /dev/md3 changed to raid6 > mdadm: /dev/md3: Something wrong - reshape aborted > mdadm: aborting level change > > dmesg doesn't show an error and neither does mdadm beyond > "something wrong". Is this supported? > > mdadm 3.1.1 Linux 2.6.32.8 x86_64. > > Thanks, > Shane > -- > 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 > It should be supported, but you probably need to specify a temporary file ON ANOTHER DEVICE where the 'critical section' can be backed up to and restored in case the reshape fails. I forget what the exact syntax is, but man mdadm will inform you. -- 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
