RE: Cant read superblocks

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From: Samuel Sieb [mailto:samuel@xxxxxxxx] 

On 04/21/2016 09:44 AM, Weiner, Michael wrote:
> From: Samuel Sieb [mailto:samuel@xxxxxxxx]
>
> On 04/21/2016 05:46 AM, Weiner, Michael wrote:
>> From: Samuel Sieb [mailto:samuel@xxxxxxxx]
>>
>> [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.

/dev/sdc1 is already mounted and is not the issue here, I am having difficulties with /dev/sdb1. Or am I not understanding the request

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