[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-users] domU file system corruption

  • To: Thomas Knauth <thomas.knauth@xxxxxxxxxxxxxx>
  • From: Florian Heigl <florian.heigl@xxxxxxxxx>
  • Date: Tue, 8 Feb 2011 15:50:33 +0100
  • Cc: xen-users@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Tue, 08 Feb 2011 06:52:05 -0800
  • Domainkey-signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=PFrzD3kXdhPam0tjBZLhlMKb1Y0Uex94G68tKZcktPIMLJZMiVcpcnMFAsfZWVD2gM R5veO02SR1kTyLM4FwlXEnfxQumdSIALJx5O+3eKYOUfl2lewKooj0h4o68GnwENzUJe pJ1RzaTzk4ZX7EZ1z0afYe+JnjR1Sh+J09+D0=
  • List-id: Xen user discussion <xen-users.lists.xensource.com>

Hi Thomas,

2011/1/31 Thomas Knauth <thomas.knauth@xxxxxxxxxxxxxx>:
> I have a simple setup where VMs are created using the following command line
> file:/home/thomas/euca-debian-5.0-x86_64/vm1.img is an NFS mount
> For some reason, the virtual disk seems to get corrupted very
> frequently. Running e2fsck on the disk file (after powering down the

Can you try to "drop caches" via /proc after the vm shutdown? Then try
hard and see if you can reproduce the issue.
I think I remember loop devices are being buffered by the kernel, it
will not care that they reside on a "sync" filesystem like nfs.

Good luck,

the purpose of libvirt is to provide an abstraction layer hiding all
xen features added since 2006 until they were finally understood and
copied by the kvm devs.

Xen-users mailing list



Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.