Labeling Multipath drives

[Kenny Lussier]

On Wed, Mar 18, 2009 at 9:54 AM, Jeffrey O'brien
<JObrien at expertserver.com>wrote:
>
>
> Kenny, you will need to install/configure the multipathing software.  Linux
> does have native mpath drivers which will create a virtual device from the
> mutliple devices shown so /dev/mpath/mpath0p1 would consist of /dev/sdc1,
> /dev/sdd1, etc...  look up "dm-multipath" for configuration setups for your
> environment.  The type of SAN you have too will play a role in configuration
> if the SAN has Active/Active or Active/Passive controllers, you may want to
> have an active/passive multipath configuration in the OS or an active/active
> setup.
>
> If you are using EMC FC SANs, you could always pay for powerpath as long as
> your wallet is deep ;)
>
> Also in your cluster have you looked at using a clustered filesystem so
> both systems have an active mount so you dont have to worry about mounting?
>  Generally a clustered filesystem is required for clusters, GFS, OCFS2,
> VxFS.
>
> Jeff
>

Jeff,

I'm using GFS on several systems. This particular filesystem, however,
cannot be mounted on more then one server at a time (long story, but it's a
security requirement). This is an HA cluster (pure failover) rather then a
distributed system.

Thanks,
Kenny
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