[DRBD-user] LVM crash maybe due to a drbd issue

Lars Ellenberg lars.ellenberg at linbit.com
Mon Dec 7 22:25:56 CET 2009

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


On Mon, Dec 07, 2009 at 10:17:10PM +0100, Maxence DUNNEWIND wrote:
> > > Anyway, the drbddevice using this lv is down, so it shouldn't block the lvchange
> > > (I checked with drbdsetup /dev/drbdXX show, only the syncer part is shown).
> > 
> > care to _show_ us?
> z2-3:~# drbdsetup /dev/drbd12 show
> syncer {
>         rate                    61440k; # bytes/second
>         after                   -1 _is_default;
>         al-extents              257;
> }
> 
> > /proc/drbd,
> z2-3:~# cat /proc/drbd 
> version: 8.3.2 (api:88/proto:86-90)
> GIT-hash: dd7985327f146f33b86d4bff5ca8c94234ce840e build by phil at fat-tyre, 2009-07-03 15:35:39

> 12: cs:Unconfigured

> 16: cs:NetworkFailure ro:Primary/Unknown ds:UpToDate/DUnknown C r---d
>     ns:24777340 nr:0 dw:87720268 dr:12029753 al:1082 bm:1582 lo:0 pe:23 ua:0 ap:23 ep:1 wo:b oos:0

So "it" is probably "hanging" on this one.

kernel logs of drbd16?

> > , or the LVM config
> I can't, when I try to do a "lvs", I get : 
>   /dev/drbd12: open failed: Wrong medium type

well, what is living on drbd16?

> (yes, /dev/drd12 is supposed to be down )

that should be no problem.  and yes, it _is_ down.
so drbd12 is not standing in the way here.

> > , or the drbd config,
> I don't have it, since ganeti (which is used on top of kvm/drbd/lvm) directly use drbdsetup.
> 
> > show us some logs?
> There is no more log that what I detailled previously, and a hanging lvchange -ay process (a strace also hangs).
> > tell us which _version_ you use?
> Sorry, forget them :
>  - drbd : 8.3.2-3
>  - lvm : 2.02.44-3

try to get those kernel logs of drbd16.


-- 
: Lars Ellenberg
: LINBIT | Your Way to High Availability
: DRBD/HA support and consulting http://www.linbit.com

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