Re: [Pacemaker] Resource Agents 1.0.4: HA LVM Patch

2011-04-27 Thread Ulf
>> During the reboot of a server many distributions do a "vgscan --mknodes", >> which will activate the VG. >Pacemaker checks on startup for all resources on a node if >they're running (started). Yes, that is true. But as mentioned above a vgscan during the boot will activate the VG, which many

Re: [Pacemaker] Resource Agents 1.0.4: HA LVM Patch

2011-04-27 Thread Dejan Muhamedagic
On Wed, Apr 27, 2011 at 09:40:22AM +0200, Ulf wrote: > Hi, > I'm not sure if inux-ha-...@lists.linux-ha.org will receive this message, as > I'm not subscribed to. It won't, you need to subscribe. > >Can you please elaborate on the benefits this patch would bring. > >Is it supposed to prevent a V

Re: [Pacemaker] Resource Agents 1.0.4: HA LVM Patch

2011-04-27 Thread Ulf
Hi, I'm not sure if inux-ha-...@lists.linux-ha.org will receive this message, as I'm not subscribed to. >Can you please elaborate on the benefits this patch would bring. >Is it supposed to prevent a VG from being mounted on more than >one node? Following scenario: Shared storage with a VG and a

Re: [Pacemaker] Resource Agents 1.0.4: HA LVM Patch

2011-04-26 Thread Dejan Muhamedagic
Hi, On Tue, Apr 19, 2011 at 03:56:16PM +0200, Ulf wrote: > Hi, > > I attached a patch to enhance the LVM agent with the capability to set a tag > on the VG (set_hosttag = true) in conjunction with a volume_list filter this > can prevent to activate a VG on multiple host. Unfortunately active VG

[Pacemaker] Resource Agents 1.0.4: HA LVM Patch

2011-04-19 Thread Ulf
Hi, I attached a patch to enhance the LVM agent with the capability to set a tag on the VG (set_hosttag = true) in conjunction with a volume_list filter this can prevent to activate a VG on multiple host. Unfortunately active VGs will stay active in case of unclean operation. The tag is always