[svn.haxx.se] · SVN Dev · SVN Users · SVN Org · TSVN Dev · TSVN Users · Subclipse Dev · Subclipse Users · this month's index

Re: multiple svn front-ends, single SAN repo volume

From: Nico Kadel-Garcia <nkadel_at_gmail.com>
Date: Sat, 11 Feb 2012 17:40:06 -0500

On Sat, Feb 11, 2012 at 5:36 PM, Nico Kadel-Garcia <nkadel_at_gmail.com> wrote:

> I would be *extremely* leery of this kind of multiple simultaneous
> write access to a shared resource. Even with a SAN, filesystem changes
> on one system are vulnerable to phase delays or interruptions, and
> there have been way, way, way too many systems that worked very well
> this way until stressed and corrupted the heck out of what were
> supposed to be atomic corruptions. The ability of filesystem authors
> to change specs and practics and update parameters, and create really
> startling changes in systems that used to work well, is amazing.

By the way: I'm not making this claim based on reading the Subversion
handling of atomic operations, but rather on several decades of
experience of exciting surprises in filesystem adventures.
Received on 2012-02-11 23:40:39 CET

This is an archived mail posted to the Subversion Users mailing list.