Re: [vserver] Possible Hashify Corruption

From: John A. Sullivan III <>
Date: Mon 18 Oct 2010 - 22:42:41 BST
Message-ID: <1287438161.3385.13.camel@localhost>

On Mon, 2010-10-18 at 21:55 +0100, Gordan Bobic wrote:
> On 10/18/2010 01:53 AM, Herbert Poetzl wrote:
> > putting superstition aside, can you recreate the issue?
> > i.e. is there a script or procedure which reliably
> > produces the 'corruption'?
> I believe I have just successfully re-created this, and it seems to be
> specifically related to hashify.
> I have two VMs, call them vm1 and vm2. Their contents are fine. Run
> hashify on them and reboot. All the binaries will be broken in the same way.
> The content of the files seems to be downright random. e.g. in the
> current instance, bash binary is zero-filled for the first few
> screenfuls I bothered to look through, and /sbin/init contains what
> looks like it might be a fragment of a RPM file. It is almost as if
> hashifying points the blocks somewhere random, most likely unused blocks
> since I haven't observed any file system level corruption or corruption
> of files in the host.
> I'll re-try it again in a bit, but so far it's been consistent.
> Gordan
Strange - we've been using and
util-vserver-0.30.216-1.pre2793.el5.centos with ext4 for almost two
years now - in fact, we really need to upgrade. We've rebooted the
hosts many times and have not seen this problem once - John
Received on Mon Oct 18 22:42:52 2010

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