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RE: SVN corrupts repository when server runs out of disc space.

From: Taylor, Richard <rtaylor_at_t-tales.com>
Date: 2007-04-24 16:16:35 CEST


The server has apr 0.9.4 installed. I guess from your post there are known
problems with earlier versions of the apr library. If that is the case I'll
not enter it as a bug in the tracking system.


-----Original Message-----
From: Erik Huelsmann [mailto:ehuels@gmail.com]
Sent: 24 April 2007 10:39
To: Taylor, Richard; dev@subversion.tigris.org
Subject: Re: SVN corrupts repository when server runs out of disc space.

On 4/24/07, Malcolm Rowe <malcolm-svn-dev@farside.org.uk> wrote:
> On Tue, Apr 24, 2007 at 09:13:48AM +0100, Taylor, Richard wrote:
> > We are using FSFS.
> > When I say 'corrupted the directory' mean the following. When the server
> > runs out of disc space during a commit and it errors at the point of
> > file X in directory Y. Any subsequent checkout, update or commit of the
> > repository will fail when it reaches an operation on directory Y.
> >
> That is utterly, utterly, strange. FSFS doesn't finalise the commit
> until after the whole transaction has been written, and up to that
> point, the transaction is invisible to other users. So I'd expect to
> see dead transactions lying about, but no impact on the actual
> repository.

What is *very* important in this context is the APR version RHEL4 is
using. Any version before 0.9.7 is bad business in terms of low-disk

> > I'd like to add this into the bug database so that it can be given some
> > consideration.
> Definitely, please do. If you can generate a reproduction testcase,
> that would be even better (preferably one starting by loopback-mounting
> a disk of a specified size, so anyone can run it).



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