Re: [Pacemaker] Lustre and Multiple Mount Protection

2010-01-04 Thread Dejan Muhamedagic
Hi, On Thu, Dec 31, 2009 at 05:15:47PM +0100, Bernd Schubert wrote: > Hello Dejan, > > On Wednesday 30 December 2009, Dejan Muhamedagic wrote: > > Hi, > > > > On Wed, Dec 30, 2009 at 01:31:27PM +0100, Bernd Schubert wrote: > > > Hello Dejan, > > > > > > On Thursday 24 December 2009, Dejan Muhame

Re: [Pacemaker] Lustre and Multiple Mount Protection

2009-12-31 Thread Bernd Schubert
Hello Dejan, On Wednesday 30 December 2009, Dejan Muhamedagic wrote: > Hi, > > On Wed, Dec 30, 2009 at 01:31:27PM +0100, Bernd Schubert wrote: > > Hello Dejan, > > > > On Thursday 24 December 2009, Dejan Muhamedagic wrote: > > > > No, without Multiple Mount Protection (MMP) the start action would

Re: [Pacemaker] Lustre and Multiple Mount Protection

2009-12-30 Thread Dejan Muhamedagic
Hi, On Wed, Dec 30, 2009 at 01:31:27PM +0100, Bernd Schubert wrote: > Hello Dejan, > > On Thursday 24 December 2009, Dejan Muhamedagic wrote: > > [...] > > > > > > In a pacemaker cluster with correctly enables STONITH the cluster > > > > > manager takes care that the resource is only mounted on

Re: [Pacemaker] Lustre and Multiple Mount Protection

2009-12-30 Thread Bernd Schubert
Hello Dejan, On Thursday 24 December 2009, Dejan Muhamedagic wrote: [...] > > > > In a pacemaker cluster with correctly enables STONITH the cluster > > > > manager takes care that the resource is only mounted on one node, > > > > isn't it? At least in my understanding it should. Only after getti

Re: [Pacemaker] Lustre and Multiple Mount Protection

2009-12-24 Thread Dejan Muhamedagic
Hi, On Wed, Dec 23, 2009 at 05:50:57PM +0100, Bernd Schubert wrote: > On Wednesday 23 December 2009, Dejan Muhamedagic wrote: > > Hi, > > > > On Tue, Dec 22, 2009 at 06:52:34PM +0100, Michael Schwartzkopff wrote: > > > Hi, > > > > > > The Lustre Filesystem uses a feature called Multiple Mount Pro

Re: [Pacemaker] Lustre and Multiple Mount Protection

2009-12-23 Thread Bernd Schubert
On Wednesday 23 December 2009, Dejan Muhamedagic wrote: > Hi, > > On Tue, Dec 22, 2009 at 06:52:34PM +0100, Michael Schwartzkopff wrote: > > Hi, > > > > The Lustre Filesystem uses a feature called Multiple Mount Protection to > > make sure that one device is really only mounted by one node. > > >

Re: [Pacemaker] Lustre and Multiple Mount Protection

2009-12-23 Thread Dejan Muhamedagic
Hi, On Tue, Dec 22, 2009 at 06:52:34PM +0100, Michael Schwartzkopff wrote: > Hi, > > The Lustre Filesystem uses a feature called Multiple Mount Protection to make > sure that one device is really only mounted by one node. > > My question now: Is this feature really needed in a pacemaker cluster

[Pacemaker] Lustre and Multiple Mount Protection

2009-12-22 Thread Michael Schwartzkopff
Hi, The Lustre Filesystem uses a feature called Multiple Mount Protection to make sure that one device is really only mounted by one node. My question now: Is this feature really needed in a pacemaker cluster? In a pacemaker cluster with correctly enables STONITH the cluster manager takes care