[CentOS] Curious fdisk report on large disk
Timothy Murphy
gayleard at eircom.net
Tue Apr 26 20:35:52 UTC 2011
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.
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