crypto grid wrote:
I have a small cluster which shares a filesystem via GFS on a SAN,
with iSCSI. There are a couple of hosts external to this cluster
which I would like to have access to the GFS filesystem via NFS. I
have exported the same mountpoint on each of the hosts that have the
GFS mount.
I can connect via NFS to one of these cluster hosts, but when it
goes down, I have to unmount it, and then remount against another
host. I suspect I could do something with a floating IP? but I was
wondering if it would be possible to do this with client side logic
so that the nfs mount automatically moves to a different working
host if one stops responding?
I don't see why you want to resolve this from the client side.
I figured that failover would happen more smoothly if the client was
aware of and in control of what was going on. If the IP suddenly moves
to another NFS server I don't know how the NFS client will cope with that.
You must configure an ip address resource.
Yeah, that's what I was going to try if there wasn't a client side solution.
Take a look at this document:
http://www.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/5/pdf/Configuration_Example_-_NFS_Over_GFS.pdf
That document looks very useful. Thank you for pointing it out to me.
--
Mike Cardwell - IT Consultant and LAMP developer
Cardwell IT Ltd. (UK Reg'd Company #06920226) http://cardwellit.com/
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