Re: [ClusterLabs] Antw: Re: Antw: [EXT] DRBD ms resource keeps getting demoted

2021-01-22 Thread Stuart Massey
Hi Ulrich, Thank you for your response. It makes sense that this would be happening on the failing, secondary/slave node, in which case we might expect drbd to be restarted (entirely, since it is already demoted) on the slave. I don't see how it would affect the master, unless the failing

Re: [ClusterLabs] Antw: [EXT] Coming in Pacemaker 2.1.0: noncritical resources

2021-01-22 Thread Ken Gaillot
On Fri, 2021-01-22 at 08:58 +0100, Ulrich Windl wrote: > > > > Ken Gaillot schrieb am 22.01.2021 um > > > > 00:51 in > > Nachricht > : > > Hi all, > > > > A recurring request we've seen from Pacemaker users is a feature > > called > > "non‑critical resources" in a proprietary product and

Re: [ClusterLabs] Antw: [EXT] Re: Q: utilization, stickiness and resource placement

2021-01-22 Thread Ken Gaillot
On Fri, 2021-01-22 at 08:38 +0100, Ulrich Windl wrote: > > > > Ken Gaillot schrieb am 21.01.2021 um > > > > 17:24 in > > Nachricht > <28f8b077a30233efa41d04688eb21e82c8432ddd.ca...@redhat.com>: > > On Thu, 2021‑01‑21 at 08:19 +0100, Ulrich Windl wrote: > > > Hi! > > > > > > I have a question

Re: [ClusterLabs] Q: What is lvmlockd locking?

2021-01-22 Thread Roger Zhou
On 1/22/21 6:58 PM, Ulrich Windl wrote: Roger Zhou schrieb am 22.01.2021 um 11:26 in Nachricht <8dcd53e2-b65b-aafe-ae29-7bdeea3b8...@suse.com>: On 1/22/21 5:45 PM, Ulrich Windl wrote: Roger Zhou schrieb am 22.01.2021 um 10:18 in Nachricht : Could be the naming of lvmlockd and

Re: [ClusterLabs] Antw: Re: Antw: Re: Antw: [EXT] Re: Q: What is lvmlockd locking?

2021-01-22 Thread Roger Zhou
On 1/22/21 5:45 PM, Ulrich Windl wrote: Roger Zhou schrieb am 22.01.2021 um 10:18 in Nachricht : Could be the naming of lvmlockd and virtlockd mislead you, I guess. I agree that there is one "virtlockd" name in the resources that refers to lvmlockd. That is confusing, I agree. But:

Re: [ClusterLabs] Antw: Re: Antw: [EXT] Re: Q: What is lvmlockd locking?

2021-01-22 Thread Roger Zhou
On 1/22/21 4:17 PM, Ulrich Windl wrote: Gang He schrieb am 22.01.2021 um 09:13 in Nachricht <1fd1c07d-d12c-fea9-4b17-90a977fe7...@suse.com>: Hi Ulrich, I reviewed the crm configuration file, there are some comments as below, 1) lvmlockd resource is used for shared VG, if you do not plan to

Re: [ClusterLabs] Antw: Re: Antw: [EXT] DRBD ms resource keeps getting demoted

2021-01-22 Thread Stuart Massey
Hi Ulrich, Thank you for your response. It makes sense that this would be happening on the failing, secondary/slave node, in which case we might expect drbd to be restarted (the service entirely, since it is already demoted) on the slave. I don't understand how it would affect the master, unless

Re: [ClusterLabs] Antw: Re: Antw: [EXT] Re: Q: What is lvmlockd locking?

2021-01-22 Thread Gang He
On 2021/1/22 16:17, Ulrich Windl wrote: Gang He schrieb am 22.01.2021 um 09:13 in Nachricht <1fd1c07d-d12c-fea9-4b17-90a977fe7...@suse.com>: Hi Ulrich, I reviewed the crm configuration file, there are some comments as below, 1) lvmlockd resource is used for shared VG, if you do not plan to

Re: [ClusterLabs] Antw: [EXT] Re: Q: What is lvmlockd locking?

2021-01-22 Thread Gang He
Hi Ulrich, I reviewed the crm configuration file, there are some comments as below, 1) lvmlockd resource is used for shared VG, if you do not plan to add any shared VG in your cluster, I suggest to drop this resource and clone. 2) second, lvmlockd service depends on DLM service, it will create

[ClusterLabs] Antw: Re: Antw: Re: Antw: [EXT] Re: Q: What is lvmlockd locking?

2021-01-22 Thread Ulrich Windl
>>> Gang He schrieb am 22.01.2021 um 09:44 in Nachricht : > > On 2021/1/22 16:17, Ulrich Windl wrote: > Gang He schrieb am 22.01.2021 um 09:13 in Nachricht >> <1fd1c07d-d12c-fea9-4b17-90a977fe7...@suse.com>: >>> Hi Ulrich, >>> >>> I reviewed the crm configuration file, there are some

[ClusterLabs] Antw: Re: Antw: [EXT] Re: Q: What is lvmlockd locking?

2021-01-22 Thread Ulrich Windl
>>> Gang He schrieb am 22.01.2021 um 09:13 in Nachricht <1fd1c07d-d12c-fea9-4b17-90a977fe7...@suse.com>: > Hi Ulrich, > > I reviewed the crm configuration file, there are some comments as below, > 1) lvmlockd resource is used for shared VG, if you do not plan to add > any shared VG in your