NFS server fail-over - how do you do it?
bugsgrief at bugsgrief.net
Mon May 31 16:33:24 PDT 2004
On Sun, 30 May 2004 02:43:37 -0500
"adp" <dap99 at i-55.com> wrote:
> I am running a FreeBSD 4.9-REL NFS server. Once every several hours our main
> NFS server replicates everything to a backup FreeBSD NFS server. We are okay
> with the gap in time between replication. What we aren't sure about is how
> to automate the fail-over between the primary to the secondary NFS server.
> This is for a web cluster. Each client mounts several directories from the
> NFS server.
> Let's say that our primary NFS server dies and just goes away. What then?
> Are you periodically doing a mount or a file look-up of a mounted filesystem
> to check if your NFS server died? If so are you just unmounting and
> remounting everything using the backup NFS server?
> Just curious how this problem is being solved.
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Have you looked into amd (or, am-utils) ?
I haven't used its failover feature, but it certainly does have it.
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