[ClusterLabs] Antw: [EXT] Re: DRBD + VDO HowTo?

2021-05-17 Thread Ulrich Windl
>>> Eric Robinson schrieb am 17.05.2021 um 20:28 in Nachricht > R=$(/usr/bin/vdo status -n $VOL|grep Activate|awk '{$1=$1};1'|cut I just wonder: What is "awk '{$1=$1};1'" supposed to do? I also believe that "grep Activate|awk '{$1=$1};1'|cut -d" " -f2)" can be done in one awk

Re: [ClusterLabs] DRBD + VDO HowTo?

2021-05-17 Thread Eric Robinson
Okay, here is a test, starting with the initial cluster status... [root@ha09a ~]# pcs status Cluster name: ha09ab Cluster Summary: * Stack: corosync * Current DC: ha09a (version 2.0.4-6.el8_3.2-2deceaa3ae) - partition with quorum * Last updated: Mon May 17 22:14:11 2021 * Last change:

Re: [ClusterLabs] DRBD + VDO HowTo?

2021-05-17 Thread Eric Robinson
Notice in that 'pcs status' shows errors for resource p_vdo0 on node ha09b, even after doing 'pcs resource cleanup p_vdo0'. [root@ha09a ~]# pcs status Cluster name: ha09ab Cluster Summary: * Stack: corosync * Current DC: ha09a (version 2.0.4-6.el8_3.2-2deceaa3ae) - partition with quorum *

Re: [ClusterLabs] DRBD + VDO HowTo?

2021-05-17 Thread Eric Robinson
Andrei -- To follow up, here is the Pacemaker config. Let's not talk about fencing or quorum right now. I want to focus on the vdo issue at hand. [root@ha09a ~]# pcs config Cluster Name: ha09ab Corosync Nodes: ha09a ha09b Pacemaker Nodes: ha09a ha09b Resources: Clone: p_drbd0-clone Meta

Re: [ClusterLabs] DRBD + VDO HowTo?

2021-05-17 Thread Eric Robinson
Andrei -- Sorry for the novels. Sometimes it is hard to tell whether people want all the configs, logs, and scripts first, or if they want a description of the problem and what one is trying to accomplish first. I'll send whatever you want. I am very eager to get to the bottom of this. I'll

Re: [ClusterLabs] DRBD + VDO HowTo?

2021-05-17 Thread Andrei Borzenkov
On 17.05.2021 18:18, Eric Robinson wrote: > To Strahil and Klaus – > > I created the vdo devices using default parameters, so ‘auto’ mode was > selected by default. vdostatus shows that the current mode is async. The > underlying drbd devices are running protocol C, so I assume that vdo should

Re: [ClusterLabs] DRBD + VDO HowTo?

2021-05-17 Thread Eric Robinson
To Strahil and Klaus – I created the vdo devices using default parameters, so ‘auto’ mode was selected by default. vdostatus shows that the current mode is async. The underlying drbd devices are running protocol C, so I assume that vdo should be changed to sync mode? The VDO service is

Re: [ClusterLabs] DRBD + VDO HowTo?

2021-05-17 Thread Strahil Nikolov
Have you tried to set VDO in async mode ? Best Regards,Strahil Nikolov On Mon, May 17, 2021 at 8:57, Klaus Wenninger wrote: Did you try VDO in sync-mode for the case the flush-fua stuff isn't working through the layers? Did you check that VDO-service is disabled and solely under