[linux-lvm] LVM Naming Convention

[Joe Pruett]

i have started putting the hostname in my vg names as well, mainly so
that if i have to move the drives to another system for upgrades,
crashes, etc, i don't get collisions between the local vg and the one
i'm hooking up temporarily.

On 04/19/2011 03:23 PM, Mike Seda wrote:
> Hi All,
> Recently, I came across the new LVM naming convention in RHEL 6. This
> convention places the output of "hostname -s" in the VG name. This
> doesn't really fit into the way I've previously setup VGs, which was
> to create a new VG for each type of disk attached to the system, e.g.
> RAID 1 SAS 10K (local), RAID 6 SATA 7.2K (SAN).
>
> I guess I could modify the naming convention slightly as shown below:
> - /dev/vg_`hostname -s`_[0-9][0-9]/lv_{foo|bar}
>
> Another thought I had was that maybe I don't need a separate VG for
> each type of disk since the lvcreate/lvextend commands seem to be able
> to create/grow an LV by PV. My understanding is that this would allow
> you to skip the step of growing the VG by the PV, right?
>
> Essentially, I'm just wondering what other folks in my situation are
> doing for LVM naming.
>
> Thanks In Advance,
> Mike
>
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