For anyone who is interested, I got confirmation from CollabNet that,
although they don't have any experience with this setup allowing them
to give an official recommendation, theoretically it all should work.
The critical piece of course is the POSIX locking compliant clustered
file system.
Given their lack of experience with this, I'm going to go with a
single server with NFS mounted NAS, and failover manually to another
box NFS mounting the same NAS, ensuring that the NFS mount is
refreshed with the latest changes before failing over.
Thanks everyone for your help.
Justin
On 1/31/07, Tom Mornini <tmornini@engineyard.com> wrote:
> It's set to load balance connections.
>
> Typical operations often hit both machines.
>
> --
> -- Tom Mornini, CTO
> -- Engine Yard, Ruby on Rails Hosting
> -- Reliability, Ease of Use, Scalability
> -- (866) 518-YARD (9273)
>
> On Jan 31, 2007, at 3:36 PM, Les Mikesell wrote:
>
> > Tom Mornini wrote:
> >> I was a poster in the previously mentioned thread.
> >> We currently have 25 repositories on a GFS filesystem being served
> >> on two nodes via hardware load balancer for high availability
> >> using Subversion 1.4.2, Apache 2.2.3 and mod_dav_svn.
> >> We've not yet seen any evidence of corruption in any way, shape or
> >> form. We've been using this solution for about 3 months.
> >
> > Does your hardware load balancer work in a failover mode for these
> > connections to avoid any locking contention or do you have concurrent
> > activity on both nodes?
> >
> > --
> > Les Mikesell
> > lesmikesell@gmail.com
> >
>
>
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Received on Fri Feb 2 22:03:30 2007