[linux-lvm] Volume Groups and Clusters

[Joshua ChaitinPollak]

On Feb 22, 2006, at 8:12 AM, Patrick Caulfield wrote:

> Joshua ChaitinPollak wrote:
>>
>> On Feb 22, 2006, at 3:49 AM, Heinz Mauelshagen wrote:
>>
>>> On Tue, Feb 21, 2006 at 04:22:10PM -0500, Joshua ChaitinPollak  
>>> wrote:
>>>> Hello, I found this mention of sharing Volume Groups across  
>>>> Clusters
>>>> on the LVM howto:
>>>>
>>>> http://www.tldp.org/HOWTO/LVM-HOWTO/sharinglvm1.html
>>>>
>>>> Am I right in assuming that this means you can have a single volume
>>>> group active on multiple nodes in a cluster, provided that you  
>>>> doing
>>>> mount the same logical volume on more than one node at a time?
>>>
>>> Yes, you assume right *but* you need a cluster filesystem (eg, GFS)
>>> as well to be able to mount shared logical volumes on multiple nodes
>>> at once or you mess up the data.
>>
>> Right, but I don't need GFS if I'm only going to mount the file  
>> system
>> on one machine at a time, right?
>
> No, just a lot of care and discipline :)

Great! And, my co-workers keep telling me, "You lack discipline!"

-- 
Joshua ChaitinPollak
Software Engineer
Kiva Systems