[Pacemaker] Using SCSI reservations with Pacemaker

Max Williams Max.Williams at betfair.com
Wed May 11 14:54:30 UTC 2011


Yep no problem, just let me know when the new version is available.
Thanks,
Max

-----Original Message-----
From: Florian Haas [mailto:florian.haas at linbit.com] 
Sent: 11 May 2011 15:26
To: The Pacemaker cluster resource manager
Subject: Re: [Pacemaker] Using SCSI reservations with Pacemaker

Hi Max,

On 2011-05-10 16:57, Max Williams wrote:
> Hi Florian,
> I've installed the sg_persist RA, configured it and it works as expected with a Netapp iSCSI LUN, excellent!
> 
> Here is my configuration:
> primitive scsi_reservation ocf:heartbeat:sg_persist params 
> sg_persist_resource="scsi_reservation0" devs="/dev/dm-6 /dev/dm-7" required_devs_nof="2" reservation_type=1 ms ms_scsi_reservation scsi_reservation meta master-max="1" master-node-max="1" clone-max="2" clone-node-max="1" notify="true"
> colocation service_on_scsi_reservation inf: Service_group 
> ms_scsi_reservation:Master order service_after_scsi_reservation inf: 
> ms_scsi_reservation:promote Service_group:start

OK, it good to know that the RA is working for you; thanks for the feedback. I'm still not quite happy with how the RA does certain things though, please see my comments here:

https://github.com/nif/ClusterLabs__resource-agents/commit/d0c46fb35338d28de3e2c20c11d0ad01dded13fd#comments

Once Evgeny fixes these issues and uploads a new version, would you mind doing another test run?

Cheers,
Florian


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