[Linux-cluster] Cluster with shared storage on low budget

Bob Peterson rpeterso at redhat.com
Tue Feb 15 16:24:26 UTC 2011

----- Original Message -----
| We don't want to allocate too more storage in advance, simply because
| it's easier to grow than to shrink. Stop the host, grow the volume,
| e2fsck/resize2fs, start up and go. Much nicer than increasing disk
| capacity on physical hosts.

These might be good for ext3/4, but with gfs and gfs2 you can lvresize
and gfs2_grow while the lv is mounted.  In fact, we expect it.
Just make sure the vg has the clustered bit set (vgchange -cy) first.


Bob Peterson
Red Hat File Systems

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