[Linux-HA] Q: OCFS on Dual-Primary DRBD: Wrong medium type

2011-12-09 Thread Ulrich Windl
Hi!

I have configured a Dual-Primary DRBD as disk for OCFS. Occasionally the 
Filesystem RA reports a Wrong medium type:
Dec  7 16:44:46 h02 lrmd: [10930]: info: RA output: 
(prm_ocfs_fs_samba:1:start:stderr) /dev/drbd_r0: Wrong medium type

What could be the reasons for that? (The problem occurred when the other node 
of the cluster had killed itself, and the cluster tried to recover from 
unclean state)

Regards,
Ulrich


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Re: [Linux-HA] Q: OCFS on Dual-Primary DRBD: Wrong medium type

2011-12-09 Thread Florian Haas
On Fri, Dec 9, 2011 at 1:56 PM, Ulrich Windl
ulrich.wi...@rz.uni-regensburg.de wrote:
 Hi!

 I have configured a Dual-Primary DRBD as disk for OCFS. Occasionally the 
 Filesystem RA reports a Wrong medium type:
 Dec  7 16:44:46 h02 lrmd: [10930]: info: RA output: 
 (prm_ocfs_fs_samba:1:start:stderr) /dev/drbd_r0: Wrong medium type

 What could be the reasons for that? (The problem occurred when the other node 
 of the cluster had killed itself, and the cluster tried to recover from 
 unclean state)

Most likely, the Filesystem is trying to mount your DRBD while it's in
the Secondary role. Usually caused an incorrect or missing order or
colo constraint between Filesystem and drbd.

And, please, if that is indeed the case: no lecture on DRBD doing or
reporting the wrong thing here. It's not.

Cheers,
Florian

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Re: [Linux-HA] Q: OCFS on Dual-Primary DRBD: Wrong medium type

2011-12-09 Thread Florian Haas
On Fri, Dec 9, 2011 at 2:00 PM, Florian Haas flor...@hastexo.com wrote:
 What could be the reasons for that? (The problem occurred when the other 
 node of the cluster had killed itself, and the cluster tried to recover from 
 unclean state)

 Most likely, the Filesystem is trying to mount your DRBD while it's in
 the Secondary role. Usually caused an incorrect or missing order or
 colo constraint between Filesystem and drbd.

Apologies for the confusing omission. I meant to say Usually caused
_by_ an incorrect

Cheers,
Florian

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