[Linux-cluster] Distributed Replicated GFS shared storage

[José Miguel Parrella Romero]

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Juliano Rodrigues escribió, en fecha 30/09/08 10:58:
> Hello,
> 
> In order to design an HA project I need a solution to replicate one GFS
> shared storage to another "hot" (standby) GFS "mirror", in case of my
> primary shared storage permanently fail.
> 
> Inside RHEL Advanced Platform there is any supported way to accomplish
> that?

I believe the whole point of GFS is avoiding you to spend twice your
storage capacity just for the sake of storage distribution. It already
enables you to have a standby server which can go live through a
resource manager whenever you need it.

However, if you need to have two separate storage facilities which sync
in one way, DRBD is probably the easiest way to do so. Heartbeat can
manage DRBD resources at block- and filesystem-level easily, and other
resource managers can probably do so (though I haven't used them)

HTH,
Jose
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