[Openais] clvmd + openais "Cannot allocate memory"

Steven Dake sdake at redhat.com
Wed Apr 28 13:29:34 PDT 2010


a list of processes with their memory consumption would be helpful.

ps -auxx > memory.txt

On Wed, 2010-04-28 at 16:12 -0400, Quentin Smith wrote:
> On Wed, 28 Apr 2010, Christine Caulfield wrote:
> 
> >> (Needless to say, the servers all have plenty of RAM free...)
> >> 
> >
> > There was a memory leak in clvmd up to 2.0.56 that might be having an impact 
> > here if there are a lot of clvmd operation being done. eg. monitoring 
> > software that polls active LVs frequently.
> >
> > That's all I can think of off-hand that might cause that
> 
> If it's running out of memory, it's not using up regular RAM - these 
> machines have 32 GB of memory, and they all have at least several gigs of 
> free memory. Also, this happens immediately after restarting clvmd.
> 
> I turned up clvmd's logging (with clvmd -C -d 2); the lines relevant to 
> this request don't seem to have much in the way of useful debugging:
> 
> Got new connection on fd 5
> Read on local socket 5, len = 28
> creating pipe, [9, 10]
> Creating pre&post thread
> in sub thread: client = 0x69f010
> Sub thread ready for work.
> doing PRE command LOCK_VG 'V_xenvg' at 1 (client=0x69f010)
> lock_resource 'V_xenvg-1', flags=0, mode=1
> Created pre&post thread, state = 0
> Writing status 12 down pipe 10
> Waiting for next pre command
> read on PIPE 9: 4 bytes: status: 12
> background routine status was 12, sock_client=0x69f010
> Send local reply
> 
> Is there another debugging knob I should turn up? Maybe corosync/openais 
> logging?
> 
> Thanks,
> --Quentin
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