Mustafa A. Hashmi wrote:
Hi all,
I recently put 1.6.0.1 on debian etch using sources from:
http://www.pdsi-scidac.org/repository/debian/index.html
Hardly any testing but all appears quite kosher.
A question regarding failover. Previously, on 1.4.x, we specified
failover pairs and groups and generated configuration files which
lconf used. Now, we simply do a mount -t lustre (...) and we're good
to go.
Am I correct in assuming that any OSS can simply mount the storage
device in question?
Mostly, yes. From the HA perspective, Lustre can now be managed just
like any other filesystem, if you are using Heartbeat you can now use
the built-in Filesystem resource.
On the Lustre setup, there are two things that may need to be done:
MDS failover:
When creating the filesystem, a pair of MDS nodes should be specified
with the --mgsnode= parameter. ( And clients must reference both MDS
NIDS when mounting, this is unchanged from 1.4 )
OSS failover:
When creating, specify the failover partner with the --failover= parameter.
These parameters can be changed after filesystem creation with
tunefs.lustre.
cliffw
Regards,
mustafa.
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