SUMMARY: repair a SAN disk, revised

Hello to all Gurus,

Thanks to everyone who replied. I got plenty of answers but this one
puts them all in a nutshell:
----
Hi,

Please try to run the full fsck and see if it can
repair the vxfs filesystem.
fsck -Fvxfs -o full -Y /dev/dsk/dwh_backup02

Otherwise only option is to restore from backup.

Rgds
Vikashg
----

So, after running the fscx -o full quite a lot of stuff was restored but
the folder structure was destroyed. In the end I had to clean the disk
and restore the week old stuff from backups.

-j-



-----Original Message-----
From: Vikash Gupta [mailto:vikashgupta@yahoo.com]
Sent: martes, 27 de febrero de 2007 17:43
To: Jarkko Airaksinen
Subject: Re: repair a SAN disk, revised

Hi,

Please try to run the full fsck and see if it can
repair the vxfs filesystem.
fsck -Fvxfs -o full -Y /dev/dsk/dwh_backup02

Otherwise only option is to restore from backup.

Rgds
Vikashg

--- Jarkko Airaksinen <JAiraksinen@zed.com> wrote:

> Hello again,
>
> Maybe it's worth explaining that the SAN is an HP
> EVA, thus there are no
> hotspares that I could use. We trust(ed) on the EVA
> internal RAID5 &
> VRAID but losing the FC was something we didn't
> think of.
>
> -j-
>
> -----Original Message-----
> From: sunmanagers-bounces@sunmanagers.org
> [mailto:sunmanagers-bounces@sunmanagers.org] On
> Behalf Of Jarkko
> Airaksinen
> Sent: lunes, 26 de febrero de 2007 17:44
> To: sunmanagers@sunmanagers.org
> Subject: repair a SAN disk?
>
> Hello all Gurus out there,
>
>
>
> I have a Sol8 server connected to a FC SAN. The FC
> was lost for a moment
> during a copy which made the vxfs disk corrupt.
>
>
>
> This is the first time I'm trying to salvage a disk
> so I don't have many
> means to do it. Perhaps you could help me out?
>
>
>
> The problem is this:
>
> Server1:~$ mount /data1/dwh/BACKUP02
>
> UX:vxfs mount: ERROR: /dev/dsk/dwh_backup02 is
> corrupted. needs checking
>
> Server1:~$ fsck /dev/dsk/dwh_backup02
>
> UX:vxfs fsck: WARNING: file system had I/O error(s)
> on meta-data.
>
> UX:vxfs fsck: ERROR: OLT extent 1 has bad checksum
>
> read of OLT copy failed
>
> UX:vxfs fsck: ERROR: cannot initialize aggregate
>
> file system check failure, aborting ...
>
>
>
> Any ideas what could I try next?
>
>
>
>
>
>
>
>
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