how to fix bad superblock

Tijl Coosemans tijl at coosemans.org
Tue Jul 19 12:22:07 UTC 2011


On Monday 18 July 2011 16:49:25 DA Forsyth wrote:
> After a hardrive let the smoke out last week, part of a 4 drive RAID 
> array, I am now battling to get back into the array.
> I have replaced the bad drive and it has been rebuilt (Intel Matrix 
> Raid on the motherboard).
> 
> some partitions are ok but had lots of errors fsck fixed, others 
> report 
> ** /dev/ar0s1f
> BAD SUPER BLOCK: VALUES IN SUPER BLOCK DISAGREE WITH THOSE IN FIRST 
> ALTERNATE
> 
> it then asks if it must look for alternates but claims 32 is not one 
> and stops.  All my partitions are UFS so why doesn't it look at block 
> 160?

You may want to ask your question on the freebsd-fs mailing list.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 228 bytes
Desc: This is a digitally signed message part.
Url : http://lists.freebsd.org/pipermail/freebsd-questions/attachments/20110719/52e01f99/attachment.pgp


More information about the freebsd-questions mailing list