Re: [ClusterLabs] Why my node1 couldn't back to the clustering chain?

2021-04-09 Thread Jason Long
Thanks. Cheat sheet is a PDF file that all useful commands and parameters existed in it. On Friday, April 9, 2021, 01:12:16 PM GMT+4:30, Antony Stone wrote: On Friday 09 April 2021 at 10:34:33, Jason Long wrote: > Thanks. > I meant was a Cheat sheet. I don't understand that

Re: [ClusterLabs] [Problem] In RHEL8.4beta, pgsql resource control fails.

2021-04-09 Thread Klaus Wenninger
On 4/9/21 4:04 PM, Klaus Wenninger wrote: On 4/9/21 3:45 PM, Klaus Wenninger wrote: On 4/9/21 3:36 PM, Klaus Wenninger wrote: On 4/9/21 2:37 PM, renayama19661...@ybb.ne.jp wrote: Hi Klaus, Thanks for your comment. Hmm ... is that with selinux enabled? Respectively do you see any related

Re: [ClusterLabs] Fwd: Issue with resource-agents ocf:heartbeat:mariadb

2021-04-09 Thread Ken Gaillot
Hi, I'm not very familiar with the mariadb agent, but one thing to check is that the output of "uname -n" can be used in the CHANGE MASTER command. If not, you need to set node attributes for the right names to use. I believe you have to configure and start replication manually once before the

Re: [ClusterLabs] [Problem] In RHEL8.4beta, pgsql resource control fails.

2021-04-09 Thread Klaus Wenninger
On 4/9/21 3:45 PM, Klaus Wenninger wrote: On 4/9/21 3:36 PM, Klaus Wenninger wrote: On 4/9/21 2:37 PM, renayama19661...@ybb.ne.jp wrote: Hi Klaus, Thanks for your comment. Hmm ... is that with selinux enabled? Respectively do you see any related avc messages? Selinux is not enabled. Isn't

Re: [ClusterLabs] how to setup single node cluster

2021-04-09 Thread Ken Gaillot
On Fri, 2021-04-09 at 08:20 +0300, Andrei Borzenkov wrote: > On 08.04.2021 09:26, d tbsky wrote: > > Reid Wahl > > > I don't think we do require fencing for single-node clusters. > > > (Anyone at Red Hat, feel free to comment.) I vaguely recall an > > > internal mailing list or IRC conversation

Re: [ClusterLabs] [Problem] In RHEL8.4beta, pgsql resource control fails.

2021-04-09 Thread Klaus Wenninger
On 4/9/21 3:36 PM, Klaus Wenninger wrote: On 4/9/21 2:37 PM, renayama19661...@ybb.ne.jp wrote: Hi Klaus, Thanks for your comment. Hmm ... is that with selinux enabled? Respectively do you see any related avc messages? Selinux is not enabled. Isn't crm_mon caused by not returning a response

Re: [ClusterLabs] [Problem] In RHEL8.4beta, pgsql resource control fails.

2021-04-09 Thread Klaus Wenninger
On 4/9/21 2:37 PM, renayama19661...@ybb.ne.jp wrote: Hi Klaus, Thanks for your comment. Hmm ... is that with selinux enabled? Respectively do you see any related avc messages? Selinux is not enabled. Isn't crm_mon caused by not returning a response when pacemakerd prepares to stop? But

Re: [ClusterLabs] [Problem] In RHEL8.4beta, pgsql resource control fails.

2021-04-09 Thread renayama19661014
Hi Klaus, Thanks for your comment. > Hmm ... is that with selinux enabled? > Respectively do you see any related avc messages? Selinux is not enabled. Isn't crm_mon caused by not returning a response when pacemakerd prepares to stop? pgsql needs the result of crm_mon in demote processing

Re: [ClusterLabs] Why my node1 couldn't back to the clustering chain?

2021-04-09 Thread Jason Long
Thanks. I meant was a Cheat sheet. Yes, something like rendering a 3D movie or... . The Corosync and Pacemaker are not OK for it? What kind of clustering using for rendering? Beowulf cluster? On Friday, April 9, 2021, 12:55:27 PM GMT+4:30, Antony Stone wrote: On Friday 09 April 2021

Re: [ClusterLabs] [Problem] In RHEL8.4beta, pgsql resource control fails.

2021-04-09 Thread Klaus Wenninger
On 4/8/21 11:21 PM, renayama19661...@ybb.ne.jp wrote: Hi Ken, Hi All, In the pgsql resource, crm_mon is executed in the process of demote and stop, and the result is processed. However, pacemaker included in RHEL8.4beta fails to execute this crm_mon.  - The problem also occurs on github

Re: [ClusterLabs] Why my node1 couldn't back to the clustering chain?

2021-04-09 Thread Jason Long
Thank you so much for your great answers. As the final questions: 1- Which commands are useful to monitoring and managing my pacemaker cluster? 2- I don't know if this is a right question or not. Consider 100 PCs that each of them have an Intel Core 2 Duo Processor (2 cores) with 4GB of RAM. How

Re: [ClusterLabs] Antw: [EXT] Re: Why my node1 couldn't back to the clustering chain?

2021-04-09 Thread Antony Stone
On Friday 09 April 2021 at 11:06:14, Ulrich Windl wrote: > # lscpu > CPU(s): 144 > # free -h > Mem: 754Gi Nice :) No doubt Jason would like to connect 8 of these together in a cluster... Antony. -- Numerous psychological studies over the years have demonstrated that

[ClusterLabs] Antw: [EXT] Re: Why my node1 couldn't back to the clustering chain?

2021-04-09 Thread Ulrich Windl
>>> Jason Long schrieb am 09.04.2021 um 08:58 in Nachricht <2055279672.56029.1617951519...@mail.yahoo.com>: > Thank you so much for your great answers. > As the final questions: > 1- Which commands are useful to monitoring and managing my pacemaker > cluster? My favorite is "crm_mon -1Arfj". >

[ClusterLabs] Antw: [EXT] Re: Why my node1 couldn't back to the clustering chain?

2021-04-09 Thread Ulrich Windl
>>> Jason Long schrieb am 08.04.2021 um 21:33 in Nachricht <1151501391.584136.1617910428...@mail.yahoo.com>: > Yes, I just wanted to know. In clustering, when a node is down and go online > again, then the cluster will not use it again until another node fails. Am I > right? Hi! Read about

Re: [ClusterLabs] Why my node1 couldn't back to the clustering chain?

2021-04-09 Thread Antony Stone
On Friday 09 April 2021 at 10:34:33, Jason Long wrote: > Thanks. > I meant was a Cheat sheet. I don't understand that sentence. > Yes, something like rendering a 3D movie or... . The Corosync and Pacemaker > are not OK for it? What kind of clustering using for rendering? Beowulf > cluster?

Re: [ClusterLabs] Why my node1 couldn't back to the clustering chain?

2021-04-09 Thread Antony Stone
On Friday 09 April 2021 at 08:58:39, Jason Long wrote: > Thank you so much for your great answers. > As the final questions: Really :) ? > 1- Which commands are useful to monitoring and managing my pacemaker > cluster? Some people prefer https://crmsh.github.io/documentation/ and some people

[ClusterLabs] Fwd: Issue with resource-agents ocf:heartbeat:mariadb

2021-04-09 Thread Olivier POUILLY
Hi team, Thanks for this great job on those library. I would like to know if it was possible to get some help on the mariadb resource. After the configuration of my cluster pcs command shows me: root@node1:~# pcs status Cluster name: clusterserver Stack: corosync Current DC: node1 (version