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<DIV><FONT face=Arial size=2>Is it possible to augment with something
straightforward and simple like Pen or Balance?</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>(I forget if those are HTTP-specific.)</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>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.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>My $0.02, please adjust for inflation.
;)</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>-AJ</FONT></DIV>
<DIV> </DIV>
<BLOCKQUOTE
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<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=banderson@athenahealth.com
href="mailto:banderson@athenahealth.com">Brian Anderson</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=ocfs2-users@oss.oracle.com
href="mailto:ocfs2-users@oss.oracle.com">ocfs2-users@oss.oracle.com</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Tuesday, October 09, 2007 2:35
PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> RE: [Ocfs2-users] Cluster
setup</DIV>
<DIV><BR></DIV><BR>Not exactly. I'm in a similar boat right now. I have 3 NFS
servers all<BR>mounting an OCFS2 volume. Each NFS server has its own IP, and
the<BR>clients load balance manually... some mount fs1, others fs2, and
the<BR>rest fs3. In an ideal world, I'd have the NFS cluster presenting
a<BR>single IP, and failing over / load balancing some other way.<BR><BR>I'm
looking at NFS v4 as one potential avenue (no single IP, but it does<BR>let
you fail over from 1 server to the next in line), and commercial<BR>products
such as IBRIX. <BR><BR><BR><BR><BR>Brian<BR><BR>> -----Original
Message-----<BR>> From: <A
href="mailto:ocfs2-users-bounces@oss.oracle.com">ocfs2-users-bounces@oss.oracle.com</A>
<BR>> [mailto:ocfs2-users-bounces@oss.oracle.com] On Behalf Of Sunil
Mushran<BR>> Sent: Tuesday, October 09, 2007 2:27 PM<BR>> To: Luis
Freitas<BR>> Cc: <A
href="mailto:ocfs2-users@oss.oracle.com">ocfs2-users@oss.oracle.com</A><BR>>
Subject: Re: [Ocfs2-users] Cluster setup<BR>> <BR>> Unsure what you
mean. If the two servers mount the same<BR>> ocfs2 volume and export
them via nfs, isn't that clustered nfs?<BR>> <BR>> Luis Freitas
wrote:<BR>> ><BR>> > Is there any cluster NFS solution out there?
(Two NFS <BR>> servers sharing <BR>> > the same filesystem with
distributed locking and failover <BR>> capability)<BR>> ><BR>>
> Regards,<BR>> > Luis<BR>> ><BR>> > */Sunil Mushran
<<A
href="mailto:Sunil.Mushran@oracle.com>/">Sunil.Mushran@oracle.com>/</A>*
wrote:<BR>> ><BR>> > Appears what you are
looking for is a mix of ocfs2 and nfs.<BR>> >
The storage servers mount the shared disks and the reexport<BR>>
> them via nfs to the remaining servers.<BR>>
><BR>> > ubuntu 6.06 is too old. If you are
stuck on Ubuntu LTS, the<BR>> > next version
7.10 should have all you want.<BR>> ><BR>>
> Pavel Georgiev wrote:<BR>>
> > Hi List,<BR>>
> ><BR>> > >
I`m trying to build a cluster storage with commodity <BR>> hardware
in<BR>> > a way that<BR>>
> > the all the data would be on > 1 server.
It should <BR>> have the meet<BR>> >
the<BR>> > > following requirements:<BR>>
> > 1) If one of the servers goes down, the
cluster <BR>> should continue<BR>> > to work
with<BR>> > > rw access from all
clients.<BR>> > > 2) Clients that mount the
storage should not be part <BR>> of cluster<BR>>
> (not export<BR>> >
> any disk storage) - I have few servers with huge disks that I<BR>>
> want to store<BR>>
> > data on (currently 2 servers, maybe more in
the future) and I<BR>> > want to<BR>>
> > storethe data only on them, the rest of the
server should just<BR>> > mount and use<BR>>
> > that storage with the ability to continue
operation if one of<BR>> > the two
storage<BR>> > > servers goes down.<BR>>
> > 3) More servers should be able to join the
cluster <BR>> and at given<BR>> >
point,<BR>> > > expanding the total size of
the cluster, hopefully without<BR>> > rebuilding
the<BR>> > > storage.<BR>>
> > 4) Load balance is not a issue - all the
load can go to one of<BR>> > the two
storage<BR>> > > servers (although its better
to be balanced), the main goal is<BR>> > to
have<BR>> > > redundant storage<BR>>
> ><BR>> > >
Does ocfs2 meet these requirements? I read few howtos but none<BR>>
> of them<BR>> > >
mentioned my second requirement (only some of the servers to<BR>>
> hold the data).<BR>>
> ><BR>> > >
Are there any specific steps to do to accomplish (2) and (3)?<BR>>
> ><BR>> > >
I`m using Ubuntu 6.06 on x86.<BR>> >
><BR>> > > Thanks!<BR>>
> ><BR>> > >
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