Re: [Pacemaker] Pacemaker shutdown issue

2009-11-30 Thread Tony Bunce
The upgrade should really be transparent. What problems did you
encounter with nfsserver?

Whenever one of the nodes takes over the nfs resource it doesn't startup the 
first time and gives this error:

nfs_server_monitor_0 (node=nfs1, call=11, rc=2, status=complete): invalid 
parameter

If I run this command it starts up instantly and doesn't have any problems 
until the service gets migrated again:
crm_resource -C -r nfs_server


Here is that resource from my config:
primitive nfs_server ocf:heartbeat:nfsserver \
params nfs_init_script=/etc/init.d/nfs \
params nfs_notify_cmd=/sbin/rpc.statd \
params nfs_shared_infodir=/var/lib/nfs \
params nfs_ip=10.1.1.150 \
op monitor interval=30s


I haven't tested yet but was going to switch from ocf:heartbeat:nfsserver to 
lsb:nfs to see if that fixes the problem.


I also had something like this in my config:
primitive drbd_r0 ocf:heartbeat:drbd \
params drbd_resource=r0 \
op monitor=30s

That also gave me an error (I think it was action monitor_0 does not exist).

I think that needs to be switched to this:
primitive drbd_r0 ocf:linbit:drbd \
  params drbd_resource=r0
op monitor interval=29s role=Master timeout=30s \
  op monitor interval=30s role=Slave timeout=30s

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Re: [Pacemaker] Pacemaker shutdown issue

2009-11-30 Thread Tony Bunce
That looks like a problem in the resource agent. Most probably
you hit the bug 2219 which has been fixed on November 9.

I applied the patch and that appears to have fixed the problem!  I haven't 
tried a reboot yet but I can migrate between nodes without any issue.


This has most probably been from the crm shell. It has been relaxed
in the meantime (see bugzilla ).

That's exactly the problem I was setting.  I switched to the correct monitor 
commands (including the role) and that fixed the problem.
Both the clusterlabs.org and drbd.org show the  syntax without a role specified.

Thanks again for the help.  It looks like there is all kinds of good info in 
bugzilla.  I'll be sure to check that out first when I run into a problem.  (It 
doesn't look like Google or Bing index the bugzilla site)

-Tony

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[Pacemaker] Pacemaker shutdown issue

2009-11-29 Thread Tony Bunce
Hi Everyone,

I'm having an issue with pacemaker and was hoping someone could point me in the 
right direction.

I'm using pacemaker with openais on a set of NFS servers.  Every time I reboot 
the primary I get a split brain in DRBD.

From what I can tell when openais is shutting down it doesn't stop the 
services it is controlling so as far as DRBD is concerned it is the same as a 
hard shutdown.

I can reproduce the problem by stopping OpenAIS (service openais stop or 
/etc/init.d/openais stop) and see that the controlled services (DRBD, files 
systems, nfs, etc.) are still running.

I think this is the same exact problem:
http://www.gossamer-threads.com/lists/linuxha/pacemaker/59384

Version Info:
CentOS 5.4 x64
drbd83-8.3.2-6.el5_3
openais-0.80.6-8.el5_4.1
pacemaker-1.0.5-4.1

Is there something special that needs to be configured so that when openais 
stops it stops all of the resources?

Thanks for the help!

-Tony
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