[CentOS] Trying to recover data off SATA-to-SCSI external 2TB ARRAY

John R Pierce pierce at hogranch.com
Mon Oct 15 18:49:07 UTC 2007


Peter Kjellstrom wrote:
> On Monday 15 October 2007, Dan Carl wrote:
> ...
>   
>> But with errors
>>  In dmesg have this:
>> sda: Mode Sense: bf 00 00 08
>> SCSI device sda: drive cache: write back
>> sda: unknown partition table
>> sd 0:0:0:0: Attached scsi disk sda
>>     
>
> Those are not errors. But it doesn't seem to have a partition table (see 
> below)
>
>   
>> I have no experience with the Smart Array Controller, just what I read the
>> past couple of days.
>> Here's how it was mounted on the HP server
>> /dev/cciss/c0d1 /stor02 ext3 defaults 1 1
>>     
>
> Ah, they put the ext3 directly on the device. Consistent with the above data.
>
>   
>> Is there a way I can get the data off the array with my Centos server?
>> Any help/suggestions/tips would be greatly appreciated, I've hit a brick
>> wall.
>>     
>
> Try "mount -oro /dev/sda /mnt/tmp" (or whatever) or just see if there's a 
> superblock there with "tune2fs -l /dev/sda".
>   

he has a hardware raid set of drives originally from a HP/Compaq 
SmartArray controller, now connected to a simple non-raid scsi 
controller.   sorry, thats not gonna play no way no how.





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