Re: [ClusterLabs] DRBD not failing over

2020-03-03 Thread Jaap Winius
Quoting Jaap Winius : Very interesting. I'm already running DRBD 9, so that base has already been covered, but here's some extra information: My test system actually consists of a single 4-node DRBD cluster that spans two data centers, with each data center having a 2-node Pacemaker clu

Re: [ClusterLabs] DRBD not failing over

2020-02-26 Thread Strahil Nikolov
On February 26, 2020 2:36:46 PM GMT+02:00, "Nickle, Richard" wrote: >I spent many, many hours tackling the two-node problem and I had >exactly >the same symptoms (only able to get the resource to move if I moved it >manually) until I did the following: > >* Switch to DRBD 9 (added LINBIT repo bec

Re: [ClusterLabs] DRBD not failing over

2020-02-26 Thread Jaap Winius
Quoting "Nickle, Richard" : * Switch to DRBD 9 ... * Build a third diskless quorum arbitration node. Very interesting. I'm already running DRBD 9, so that base has already been covered, but here's some extra information: My test system actually consists of a single 4-node DRBD cluster th

Re: [ClusterLabs] DRBD not failing over

2020-02-26 Thread Nickle, Richard
I spent many, many hours tackling the two-node problem and I had exactly the same symptoms (only able to get the resource to move if I moved it manually) until I did the following: * Switch to DRBD 9 (added LINBIT repo because DRBD 8 is the default in the Ubuntu repo) * Build a third diskless quor

[ClusterLabs] DRBD not failing over

2020-02-26 Thread Jaap Winius
Hi folks, My 2-node test system has a DRBD resource that is configured as follows: ~# pcs resource defaults resource-stickiness=100 ; \ pcs resource create drbd ocf:linbit:drbd drbd_resource=r0 \ op monitor interval=60s ; \ pcs resource master drbd master-max=1 master-node-max=1 \