[DRBD-user] Re: OOPS with drbd, lvm and XFS on debian xen 2.6.16

Lars Ellenberg Lars.Ellenberg at linbit.com
Thu Jul 6 10:07:17 CEST 2006

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.

/ 2006-07-05 16:30:10 -0300
\ Igor Morgado:
> Sorry to touch in it again. But I was simply ignored, is this report erroneous?
> May I add some information to get some kind of answer about this? There is
> other mail list to report this?
> Because Im really scared I lost ALL DATA from this volume after this happened.
> It was a test volume but I want to put this over real systems.
> Any tips.

if you are going production system, don't use developement versions of drbd,
use the stable branch (0.7.x, x == 20 currently).

if you want to help in the developemnt process of drbd 8,
please try to use the most recent svn checkout
 svn co http://svn.drbd.org/drbd/trunk  drbd-8-svn

if you get problems with some "special" kernel, please try to reproduce
with "vanilla" first, to see if it is related to the special kernel, or
some more generic problem.
> On 7/3/06, Igor Morgado <igormorgado.listas at gmail.com> wrote:
>     This happned after a drbdadm resize in my resource (I had extended the
>     device with lvm), on a debian gnu/linux (the oops is on the end of report)
>     magratea:~# uname -a
>     Linux magratea 2.6.16-2-xen-686 #1 SMP Tue May 23 05:46:45 CEST 2006 i686
>     GNU/Linux
>     Im running LVM on top of DRBD
>     magratea:~# lvm version
>       LVM version:     2.01.04 (2005-02-09)

I think you _must_ use at least 2.02 here with recent kernels.

>       Library version: 1.01.00-ioctl (2005-01-17)
>       Driver version:  4.5.0

so this should be more like
  LVM version:     2.02.05 (2006-04-21)
  Library version: 1.02.05 (2006-04-19)
  Driver version:  4.5.0

>     drbd version is:
>     Version: 8.0pre3 (api:82)
>     SVN Revision: 2169 build by root at magratea, 2006-06-29 17:09:10

try again with recent svn checkout.

double check the kernel stack size.
4K is likely to be too small and will overflow.
this is not neccessary the case here, though. could be a drbd bug in the
drbd resize code that got already fixed in svn.

: Lars Ellenberg                                  Tel +43-1-8178292-0  :
: LINBIT Information Technologies GmbH            Fax +43-1-8178292-82 :
: Schoenbrunner Str. 244, A-1120 Vienna/Europe   http://www.linbit.com :
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