[CentOS] Curious fdisk report on large disk

Tue Apr 26 20:35:52 UTC 2011
Timothy Murphy <gayleard at eircom.net>

James Pearson wrote:

>> here is the response to "sudo fdisk /dev/sdb"
>> -----------------------------
>> Disk /dev/sdb: 1500.3 GB, 1500301910016 bytes
>> 255 heads, 63 sectors/track, 182401 cylinders
>> Units = cylinders of 16065 * 512 = 8225280 bytes
>> 
>> This doesn't look like a partition table
>> Probably you selected the wrong device.
>> 
>>    Device Boot      Start         End      Blocks   Id  System
>> /dev/sdb1   ?      188019      188051      253319   e4  SpeedStor
>> Partition 1 does not end on cylinder boundary.
>> /dev/sdb2   ?       62656      186401   993984023   98  Unknown
>> Partition 2 does not end on cylinder boundary.
>> /dev/sdb3   ?      105611      225119   959953209   7d  Unknown
>> Partition 3 does not end on cylinder boundary.
>> /dev/sdb4   ?         347         865     4161536    0  Empty
>> Partition 4 does not end on cylinder boundary.
>> 
>> Partition table entries are not in disk order
>> -----------------------------
> 
> Could it be that the partition table has become corrupt (e.g.
> overwritten)?

But everything seems to be working perfectly;
is that possible if the partition table is corrupt?

> If this has been the case, then you need to find a tool that can attempt
> to recover the partition table - see
> <http://tldp.org/HOWTO/Partition/recovering.html>

Thanks, I'll study that.