On Wed, 20 Nov 2013 20:46:21 +0100 kustep <kustep@xxxxxx> wrote: > Hello Everyone, > > is there an option to specifiy the "Unused Space : before=...." > Superblock information in mdadm -C ....? --data-offset=.... or --data-offset=variable ... /dev/foo:16K /dev/foo2:32K .... You probably need mdadm 3.3. NeilBrown > > My Raid crashed due to a controller error, but I was able to make the > new superblock almost identical to the old one (using mdadm -C > --assume-clean --level=6 --raid-devices=11 --chunk=256K --metadata=1.2 > --bitmap=None --size=195328588 --data-offset=128768 /dev/md0 > /dev/mapper/disk[cdefmbjkh] missing). Looking at mdadm --examine the > only difference left is: > old layout: Unused Space : before=257456 sectors, after=197632 sectors > new layout: Unused Space : before=257448 sectors, after=197632 sectors > > Is there an option to change that or anything else I can do to make the > layouts identical? The assembled raid refuses to mount, and I suspect > this difference to be the reason. > > Thanks in advance > Stephan > -- > 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
Attachment:
signature.asc
Description: PGP signature
