That won't handle the nfs server death case. What he wants
is for the client to transparently mount the volume from another
nfs server.
AJ Weber wrote:
Is it possible to augment with something straightforward and simple
like Pen or Balance?
(I forget if those are HTTP-specific.)
Also, if you want to do rudimentary load balancing (maybe a half-step
better than the manually load balanced config, below), you can add all
three servers' IP Addresses to the DNS under one name, and the DNS
server(s) _should_ randomly choose an entry to return. That might
work, since NFS is session-based (AFAIK), and should stay with the
same server after session initiation.
My $0.02, please adjust for inflation. ;)
-AJ
----- Original Message -----
*From:* Brian Anderson <mailto:[EMAIL PROTECTED]>
*To:* [email protected] <mailto:[email protected]>
*Sent:* Tuesday, October 09, 2007 2:35 PM
*Subject:* RE: [Ocfs2-users] Cluster setup
Not exactly. I'm in a similar boat right now. I have 3 NFS servers all
mounting an OCFS2 volume. Each NFS server has its own IP, and the
clients load balance manually... some mount fs1, others fs2, and the
rest fs3. In an ideal world, I'd have the NFS cluster presenting a
single IP, and failing over / load balancing some other way.
I'm looking at NFS v4 as one potential avenue (no single IP, but
it does
let you fail over from 1 server to the next in line), and commercial
products such as IBRIX.
Brian
> -----Original Message-----
> From: [EMAIL PROTECTED]
<mailto:[EMAIL PROTECTED]>
> [mailto:[EMAIL PROTECTED] On Behalf Of Sunil
Mushran
> Sent: Tuesday, October 09, 2007 2:27 PM
> To: Luis Freitas
> Cc: [email protected] <mailto:[email protected]>
> Subject: Re: [Ocfs2-users] Cluster setup
>
> Unsure what you mean. If the two servers mount the same
> ocfs2 volume and export them via nfs, isn't that clustered nfs?
>
> Luis Freitas wrote:
> >
> > Is there any cluster NFS solution out there? (Two NFS
> servers sharing
> > the same filesystem with distributed locking and failover
> capability)
> >
> > Regards,
> > Luis
> >
> > */Sunil Mushran <[EMAIL PROTECTED]>/
<mailto:[EMAIL PROTECTED]/>* wrote:
> >
> > Appears what you are looking for is a mix of ocfs2 and nfs.
> > The storage servers mount the shared disks and the reexport
> > them via nfs to the remaining servers.
> >
> > ubuntu 6.06 is too old. If you are stuck on Ubuntu LTS, the
> > next version 7.10 should have all you want.
> >
> > Pavel Georgiev wrote:
> > > Hi List,
> > >
> > > I`m trying to build a cluster storage with commodity
> hardware in
> > a way that
> > > the all the data would be on > 1 server. It should
> have the meet
> > the
> > > following requirements:
> > > 1) If one of the servers goes down, the cluster
> should continue
> > to work with
> > > rw access from all clients.
> > > 2) Clients that mount the storage should not be part
> of cluster
> > (not export
> > > any disk storage) - I have few servers with huge disks
that I
> > want to store
> > > data on (currently 2 servers, maybe more in the future)
and I
> > want to
> > > storethe data only on them, the rest of the server
should just
> > mount and use
> > > that storage with the ability to continue operation if
one of
> > the two storage
> > > servers goes down.
> > > 3) More servers should be able to join the cluster
> and at given
> > point,
> > > expanding the total size of the cluster, hopefully without
> > rebuilding the
> > > storage.
> > > 4) Load balance is not a issue - all the load can go to
one of
> > the two storage
> > > servers (although its better to be balanced), the main
goal is
> > to have
> > > redundant storage
> > >
> > > Does ocfs2 meet these requirements? I read few howtos
but none
> > of them
> > > mentioned my second requirement (only some of the servers to
> > hold the data).
> > >
> > > Are there any specific steps to do to accomplish (2) and
(3)?
> > >
> > > I`m using Ubuntu 6.06 on x86.
> > >
> > > Thanks!
> > >
> > > _______________________________________________
> > > Ocfs2-users mailing list
> > > [email protected]
<mailto:[email protected]>
> > > http://oss.oracle.com/mailman/listinfo/ocfs2-users
> > >
> >
> >
> > _______________________________________________
> > Ocfs2-users mailing list
> > [email protected] <mailto:[email protected]>
> > http://oss.oracle.com/mailman/listinfo/ocfs2-users
> >
> >
> >
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