Re: Cant read superblocks

[Samuel Sieb]

On 04/21/2016 09:44 AM, Weiner, Michael wrote:
>  From: Samuel Sieb [mailto:[e-mail]]
>
>  On 04/21/2016 05:46 AM, Weiner, Michael wrote:
> > From: Samuel Sieb [mailto:[e-mail]]
> >
> > [root@raos_apps01 ~]# file -s /dev/sdb1
> > /dev/sdb1: data
> > [root@raos_apps01 ~]# file -s /dev/sdc1
> > /dev/sdc1: SGI XFS filesystem data (blksz 4096, inosz 256, v2 dirs)
> >
>  Are you sure the filesystem you're looking for is ext and not xfs?  Try mounting
> /dev/sdc1 somewhere and see what's on it.
>
>  /dev/sdc1 is the new external disk array I added the other day on another controller, its
> blank at the moment. But I tried to mount /dev/sdb1 as an xfs and it fails:
>
>  [root@raos_apps01 ~]# mount -t xfs /dev/sdb1 /data
>  mount: wrong fs type, bad option, bad superblock on /dev/sdb1,
>          missing codepage or other error
>          In some cases useful info is found in syslog - try
>          dmesg | tail  or so
>
>  dmesg:  XFS: bad magic number
>  XFS: SB validate failed
>  
Why did you try to mount /dev/sdb1?  /dev/sdc1 is the partition with xfs 
data.  Remember you added a new controller, so your drive numbering has 
likely changed.