[Novalug] LVM query
James Ewing Cottrell 3rd
JECottrell3 at Comcast.NET
Mon Jul 19 18:42:40 EDT 2010
True, but we don't even have to go there, do we? Disk Labels and UUIDs
will solve that for us. About the only problem we might have left then
is which MBR do you use? Well, you could duplicate them all so that it
On 7/19/2010 6:28 PM, Maxwell Spangler wrote:
> On Mon, 2010-07-19 at 17:32 -0400, Jon LaBadie wrote:
>> On Mon, Jul 19, 2010 at 09:25:44PM +0000, Jeff Stoner wrote:
>>> On Mon, 19 Jul 2010, Jon LaBadie wrote:
>>>> Of the 4, two are internal, the other pair external
>>>> drives connected by USB. I was planning on pooling
>>>> the internal pair and the external pair into two
>>>> volume groups. But then I thought, why not a single
>>>> large VG?
>> In a previous incarnation, the same machine with the same USB drives
>> (plus part of one internal IDE drive) were used for backups. There
>> I assured consistant naming/mounting by using UUIDs in the fstab.
>> But I see your point with LVMs. What name will be used when creating
>> the pv's and adding them to the vg. That will have to be consistant,
>> but how?
> udev rules are a possible way of making hotplug/transient devices
> static. Years ago I used them to specify what /dev entries would be
> assigned for USB drives. udev's gotten a lot more complicated then that
> now, but it's a good direction to investigate.
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