[Lustre-discuss] Enqueue wait from MDS log

[Andreas Dilger]

On 2010-01-06, at 01:42, Tung Dam wrote:
> I have an issue with lustre log from our MDS, like this:
>
> Jan  6 14:00:49 MDS1 kernel: Lustre: 19141:0:(ldlm_lockd.c: 
> 808:ldlm_server_completion_ast()) ### enqueue wait took 164s from  
> 1262761084 ns: mds-lustre-MDT0000_UUID lock:  
> ffff8101b6265a00/0x874ddc3670da987c lrc: 3/0,0 mode: PW/PW res:  
> 28739811/1154690434 rrc: 3 type: FLK pid: 2393 [0- 
> >9223372036854775807] flags: 0x0 remote: 0x49437cb8a7f893b2 expref:  
> 7527 pid: 19134 timeout: 0


This warning has been removed in the 1.8 release of Lustre.  In  
particular, with FLK (flock) type locks, they can be held  
indefinitely, so there is no reason to print a message at all.

Cheers, Andreas
--
Andreas Dilger
Sr. Staff Engineer, Lustre Group
Sun Microsystems of Canada, Inc.