Re: [ClusterLabs] fence_apc delay?

2016-09-06 Thread Ken Gaillot
On 09/06/2016 10:20 AM, Dan Swartzendruber wrote: > On 2016-09-06 10:59, Ken Gaillot wrote: > > [snip] > >> I thought power-wait was intended for this situation, where the node's >> power supply can survive a brief outage, so a delay is needed to ensure >> it drains. In any case, I know people

Re: [ClusterLabs] fence_apc delay?

2016-09-06 Thread Dan Swartzendruber
On 2016-09-06 10:59, Ken Gaillot wrote: [snip] I thought power-wait was intended for this situation, where the node's power supply can survive a brief outage, so a delay is needed to ensure it drains. In any case, I know people are using it for that. Are there any drawbacks to using

Re: [ClusterLabs] fence_apc delay?

2016-09-06 Thread Ken Gaillot
On 09/05/2016 09:38 AM, Marek Grac wrote: > Hi, > > On Mon, Sep 5, 2016 at 3:46 PM, Dan Swartzendruber > wrote: > > ... > Marek, thanks. I have tested repeatedly (8 or so times with disk > writes in progress) with 5-7 seconds and have

Re: [ClusterLabs] What cib_stats line means in logfile

2016-09-06 Thread Ken Gaillot
On 09/05/2016 03:59 PM, Jan Pokorný wrote: > On 05/09/16 21:26 +0200, Jan Pokorný wrote: >> On 25/08/16 17:55 +0200, Sébastien Emeriau wrote: >>> When i check my corosync.log i see this line : >>> >>> info: cib_stats: Processed 1 operations (1.00us average, 0% >>> utilization) in the last

[ClusterLabs] clustering fiber channel pools on multiple wwns

2016-09-06 Thread Gabriele Bulfon
Hi, on illumos, I have a way to cluster one zfs pool on two nodes, by moving ip,pool and its shares at once on the other node. This works for iscsi too: the ip of the target has been migrated together with the pool, so the iscsi resource is still there running on the same ip (just a different

Re: [ClusterLabs] unable to add removed node to cluster

2016-09-06 Thread Tomas Jelinek
Hi, Dne 6.9.2016 v 08:12 Omar Jaber napsal(a): Hi, I create cluster contain three nodes when I remove one of the node by run "pcs cluster destroy" command This is the root cause of your problem. "pcs cluster destroy" only wipes out cluster configuration from a node but it does not tell

[ClusterLabs] unable to add removed node to cluster

2016-09-06 Thread Omar Jaber
Hi, I create cluster contain three nodes when I remove one of the node by run "pcs cluster destroy" command The node was stopped from cluster, but when I try to rejoin the node by run commands 1-systemctl start pcsd.service 2-systemctl start pcsd.service (one removed node) 3-pcs cluster