On 02/15/2010 12:42 PM, Jos Vos wrote:
On Mon, Feb 15, 2010 at 01:20:35PM -0500, Mario Salcedo wrote:
Hi, I am configuring a Red hat cluster. In the guide say: "A GFS2
file system must be created on an LVM logical volume that is a linear
or mirrored volume". Is that true.
I create GFS2 without LVM. I think all ok.
Not really...
How do you ensure then that the device paths of the GFS filesystems
are the same on all nodes (as is required by the shared cluster.conf)?
A shared disk may appear as /dev/sda in one node, but as /dev/sdb on
another node, for example, dependent on hardware or configuration
details.
Actually, this is not really true. We have many GFS2 filesystems on a
three node cluster and we don't use LVM. It really depends on how you
are mounting the filesystems. You really need to mount them by LABEL,
so the underlying disk identifiers becomes irrelevant.
-- scooter
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