[ClusterLabs] DRBD on CentOS8 anyone?

2019-10-16 Thread Michael Schwartzkopff
Hi, did anybody succeed in installing / compiling DRBD for CentOS8? It seems to cause some trouble in my setup. Michael Schwartzkopff Mit freundlichen Grüßen, -- [*] sys4 AG https://sys4.de, +49 (89) 30 90 46 64 Schleißheimer Straße 26/MG,80333 München Sitz der Gesellschaft: München

Re: [ClusterLabs] IPaddr2 RA and multicast mac

2019-09-04 Thread Michael Schwartzkopff
Am 04.09.19 um 00:27 schrieb Tomer Azran: > Hello, > > When using IPaddr2 RA in order to set a cloned IP address resource: > > pcs resource create vip1 ocf:heartbeat:IPaddr2 ip=10.0.0.100 iflabel=vip1 > cidr_netmask=24 flush_routes=true op monitor interval=30s > pcs resource clone vip1

Re: [ClusterLabs] Summit

2019-02-15 Thread Michael Schwartzkopff
Am 15.02.19 um 21:16 schrieb digimer: > If people are interested in coming to Canada, I might be able to work > out some space here. I think a lot of people are in Europe, so I > understand if it's preferred to host there again. If there is interest > in host here though, please let me know. :) >

[ClusterLabs] MS MySQL resource not beeing promoted?

2019-02-08 Thread Michael Schwartzkopff
Hi, I set up a mariadb on CentOS7 as master/slave-. Manually the sync works. when I confiure a ms resource in pacmaker, it comes up correctly on the first glance. "show master status" and "show slave status" in mysql works and shows the correct status. When I set the master node to

[ClusterLabs] Error in documentation of resource sets (collocation)?

2019-01-17 Thread Michael Schwartzkopff
Hi, When I read the documentation of the colocating sets of of resources, the last "note" section reads: Pay close attention to the order in which resources and sets are listed. While the colocation dependency for members of any one set is last-to-first, the colocation dependency for multiple

Re: [ClusterLabs] Antw: Re: Antw: Placing resource based on least load on a node

2018-11-20 Thread Michael Schwartzkopff
Am 20.11.18 um 08:57 schrieb Ulrich Windl: >>>> Michael Schwartzkopff schrieb am 20.11.2018 um 08:41 in >>>> Nachricht > : >> Am 20.11.18 um 08:35 schrieb Bernd: >>> Am 2018-11-20 08:06, schrieb Ulrich Windl: >>>>>>> Bernd schr

Re: [ClusterLabs] Antw: Placing resource based on least load on a node

2018-11-19 Thread Michael Schwartzkopff
Am 20.11.18 um 08:35 schrieb Bernd: > Am 2018-11-20 08:06, schrieb Ulrich Windl: > Bernd schrieb am 20.11.2018 um 07:21 in > Nachricht >> : >>> Hi, >>> >>> I'd like to run a certain bunch of cronjobs from time to time on the >>> cluster node (four node cluster) that has the lowest load of

Re: [ClusterLabs] Antw: Placing resource based on least load on a node

2018-11-19 Thread Michael Schwartzkopff
Am 20.11.18 um 08:35 schrieb Bernd: > Am 2018-11-20 08:06, schrieb Ulrich Windl: > Bernd schrieb am 20.11.2018 um 07:21 in > Nachricht >> : >>> Hi, >>> >>> I'd like to run a certain bunch of cronjobs from time to time on the >>> cluster node (four node cluster) that has the lowest load of

Re: [ClusterLabs] ?==?utf-8?q? Limit of concurrent ressources to start?

2018-06-13 Thread Michael Schwartzkopff
Am 13.06.2018 um 16:18 schrieb Ken Gaillot: > On Wed, 2018-06-13 at 14:25 +0200, Michael Schwartzkopff wrote: >> On Wednesday, June 13, 2018 10:01 CEST, "Michael Schwartzkopff" > ys4.de> wrote:  >>   >>> Hi, >>> >>> we have a cluster w

Re: [ClusterLabs] ?==?utf-8?q? Limit of concurrent ressources to start?

2018-06-13 Thread Michael Schwartzkopff
On Wednesday, June 13, 2018 10:01 CEST, "Michael Schwartzkopff" wrote: > Hi, > > we have a cluster with several IP addresses that can start after an other > resource. In the logs we see that only 2 IP addresses start in parallel, not > all. Can anyone pleas

[ClusterLabs] Limit of concurrent ressources to start?

2018-06-13 Thread Michael Schwartzkopff
Hi, we have a cluster with several IP addresses that can start after an other resource. In the logs we see that only 2 IP addresses start in parallel, not all. Can anyone please explain, why not all IP addresses start in parallel? Config: primitive resProc ocf:myprovider:Proc (ten times:)

Re: [ClusterLabs] [ClusterLabs Developers] HA/Clusterlabs Summit 2017 Proposal

2017-02-01 Thread Michael Schwartzkopff
some friendly > company. :) hi, the idea of a new cluster meeting is great. I'd like to participate. But the date 6./7. Sept is not optimal . It is school holidays in Bavaria and the best time of the year to go to the mountains with the kids. So I'd prefer perhaps a week later or an other

Re: [ClusterLabs] Running several instances of a Corosync/Pacemaker cluster on a node

2016-04-26 Thread Michael Schwartzkopff
nc and pacemaker are not able to run as multi- tennen. Use docker or plain linux partitions (lxc). Mit freundlichen Grüßen, Michael Schwartzkopff -- [*] sys4 AG http://sys4.de, +49 (89) 30 90 46 64, +49 (162) 165 0044 Franziskanerstraße 15, 81669 München Sitz der Gesellschaft: München, Amts

Re: [ClusterLabs] Antw: Regarding IP tables and IP Address clone

2015-12-23 Thread Michael Schwartzkopff
s. Some switches (esp Cisco) do not like that. You would have to configure the MAC addresses manually. Mit freundlichen Grüßen, Michael Schwartzkopff -- [*] sys4 AG http://sys4.de, +49 (89) 30 90 46 64, +49 (162) 165 0044 Franziskanerstraße 15, 81669 München Sitz der Gesellschaft: München, Amt

Re: [ClusterLabs] Regarding IP tables and IP Address clone

2015-12-23 Thread Michael Schwartzkopff
lly. > > Do I have to configure this MAC address manually at switch level?. The > Multicast MAC was automatically added in the iptables after started > the pacemaker/Corosync service. Please check the ARP tables of your switches / routers. IP address clones use multicast MAC addresses for

[ClusterLabs] Multisite Clusters: how many servers?

2015-12-07 Thread Michael Schwartzkopff
Hi, it is possible / advisable to set up a multisite cluster with booth with one server at each site? So having three servers all together? Mit freundlichen Grüßen, Michael Schwartzkopff -- [*] sys4 AG http://sys4.de, +49 (89) 30 90 46 64, +49 (162) 165 0044 Franziskanerstraße 15, 81669

Re: [ClusterLabs] Loadbalancing using Pacemaker

2015-11-08 Thread Michael Schwartzkopff
talk to the IP addresses, no matter on which host they run. pacemaker could take care that they run on different hosts is possible. Mit freundlichen Grüßen, Michael Schwartzkopff -- [*] sys4 AG http://sys4.de, +49 (89) 30 90 46 64, +49 (162) 165 0044 Franziskanerstraße 15, 81669 München Sitz de

Re: [ClusterLabs] Cluster monitoring

2015-10-21 Thread Michael Schwartzkopff
the > interval configured it might miss some events. Is that the case ? No. the cluser is event-based. So it won't miss any event. If you use the cluster's tools, they see hte events. If you monitor the events you won't miss any either. Mit freundlichen Grüßen, Michael Schwartzkopff --

Re: [ClusterLabs] difference between OCF return codes for monitor action

2015-10-21 Thread Michael Schwartzkopff
es are for the admin to make it easier to find the cause. Mit freundlichen Grüßen, Michael Schwartzkopff -- [*] sys4 AG http://sys4.de, +49 (89) 30 90 46 64, +49 (162) 165 0044 Franziskanerstraße 15, 81669 München Sitz der Gesellschaft: München, Amtsgericht München: HRB 199263 Vorstand:

Re: [ClusterLabs] Pacemaker: Custom Health Checks possible?

2015-09-23 Thread Michael Schwartzkopff
luster node, i.e. CPU load, free space on a partition or something like that. If you want to check a resource (application) then you have to improve the monitoring function of the according Resource Agent. Mit freundlichen Grüßen, Michael Schwartzkopff -- [*] sys4 AG http://sys4.de, +

Re: [ClusterLabs] a newbie --question

2015-09-15 Thread Michael Schwartzkopff
ndlichen Grüßen, Michael Schwartzkopff -- [*] sys4 AG http://sys4.de, +49 (89) 30 90 46 64, +49 (162) 165 0044 Franziskanerstraße 15, 81669 München Sitz der Gesellschaft: München, Amtsgericht München: HRB 199263 Vorstand: Patrick Ben Koetter, Marc Schiffbauer Aufsichtsratsvorsitzender: Florian Kirstein

Re: [ClusterLabs] a newbie --question

2015-09-15 Thread Michael Schwartzkopff
Am Dienstag, 15. September 2015, 13:57:36 schrieb H Yavari‬: > Hi, > Thanks a lot. But can you give me some hints about configuration? http://clusterlabs.org/doc/en-US/Pacemaker/1.1/html/Clusters_from_Scratch/ Mit freundlichen Grüßen, Michael Schwartzkopff -- [*] sys4 AG http://sys4.d