[linux-lvm] Adding a disk to expand an existing logical volume

Digimer linux at alteeve.com
Wed May 19 16:57:40 UTC 2010


On 10-05-19 12:51 PM, Stuart D. Gathman wrote:
> On Wed, 19 May 2010, kevin wrote:
>
>>> If I were you, I would not bother with partition(s). I will add the
>>> whole disk to LVM.
>>
>> I intend for the entire disk to be used -- so I should just skip the fdisk
>> step?
>
> Yes, just do the pvcreate directly on /dev/sdc (instead of /dev/sdc1).
>
> I would only recommend this if the drive is permanently attached to your
> server.  If there is any possibility of it getting moved to another system,
> especially another OS, it is likely to appear "unformatted" and the other
> OS will offer to create a partition table, etc, destroying the data.
> The partition table, although otherwise useless for LVM (and a pain when
> trying to align PPs to some lower lever boundary), does serve the purpose
> of telling other PC operating systems that there is something there.

There ya go, I learn something new every day. :)

-- 
Digimer
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