[Linux-cluster] GFS only - no cluster

Nick Lunt nick at javacat.f2s.com
Sun Jul 27 09:11:05 UTC 2008

Hi Folks,

Tomorrow I've got to create some GFS partitions over iSCSI and I'd like to
know if the method I plan on using is correct or not.

We will have 5 load balanced RHAS 5u2 servers sharing some GFS partitions.

Here's my plan of action.

1. install gfs-utils (don't install clustering or "cluster storage").
2. present the LUNs to each server.
3. do lvm stuff on each server.
3. mkfs.gfs2 -j5 -p lock_dlm -t what:goeshere /dev/vg02/lvolx .
4. mount from each server and put in fstab on each server.

My problem is at number 3. If I want to use lock_dlm I need to specify a
table <clustername:filesystemID>. However I do not want to setup a cluster I
just want GFS.
I can use lock_nolock which does not require a table but will that render
the filesystem useless with >1 server having access to it ?

Unfortunately I've found no documentation on a GFS only setup, I would be
very grateful if somebody could help me out.

Many thanks,
Nick .

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