Re: [Pacemaker] Two-Nodes Cluster fencing : Best Practices

2013-07-26 Thread Bruno MACADRÉ
Thanks for your answer, It will confirm all of my doubts I've tried this yesterday and the 2 nodes was unpowered instantly (this cause some troubles on reboot with FS unmounted uncleanly), is there a way to do a clean shutdown instead of a poweroff ? After some reflexion, I've decided to put

Re: [Pacemaker] Two-Nodes Cluster fencing : Best Practices

2013-07-25 Thread Jake Smith
- Original Message - > From: "Digimer" > To: "The Pacemaker cluster resource manager" > Sent: Thursday, July 25, 2013 10:53:27 AM > Subject: Re: [Pacemaker] Two-Nodes Cluster fencing : Best Practices > > With two-node clusters, quorum can't b

Re: [Pacemaker] Two-Nodes Cluster fencing : Best Practices

2013-07-25 Thread Digimer
With two-node clusters, quorum can't be used. This is fine *if* you have good fencing. If the nodes partition (ie: network failure), both will try to fence the other. In theory, the faster node will power off the other node before the slower node can kill the faster node. In practice, this isn'

Re: [Pacemaker] Two-Nodes Cluster fencing : Best Practices

2013-07-25 Thread Bruno MACADRÉ
Some modifications about my first mail : After some researches I found that external/ipmi isn't available on my system, so I must use fence-agents. My second question must be modified to relfect this changes like this : configure primitive pStN1 stonith:fence_ipmilan params ipaddr=192.16

[Pacemaker] Two-Nodes Cluster fencing : Best Practices

2013-07-25 Thread Bruno MACADRÉ
Hi, I've just made a two-nodes Active/Passive cluster to have an iSCSI Failover SAN. Some details about my configuration : - I've two nodes with 2 bonds : 1 for DRBD replication and 1 for communication - iSCSI Target, iSCSI Lun and VirtualIP are constraints together