[ClusterLabs] Antw: Re: design of a two-node cluster

>>> Digimer schrieb am 07.12.2015 um 22:40 in Nachricht <5665fcdc.1030...@alteeve.ca>: [...] > Node 1 looks up how to fence node 2, sees no delay and fences > immediately. Node 2 looks up how to fence node 1, sees a delay and > pauses. Node 2 will be dead long before the delay

[ClusterLabs] design of a two-node cluster

Hi, i've been asking all around here a while ago. Unfortunately I couldn't continue to work on my cluster, so I'm still thinking about the design. I hope you will help me again with some recommendations, because when the cluster is running changing of the design is not possible anymore. These

Re: [ClusterLabs] Resources suddenly get target-role="stopped"

Hi Ken, The comments are in the text. On 4.12.2015 19:06, Ken Gaillot wrote: On 12/04/2015 10:22 AM, Klechomir wrote: Hi list, My issue is the following: I have very stable cluster, using Corosync 2.1.0.26 and Pacemaker 1.1.8 (observed the same problem with Corosync 2.3.5 & Pacemaker

[ClusterLabs] Antw: new version of Cronlink RA

Hi! I wonder: It seems it does the same thing as the RA I wrote some years ago: (crm ra info ISC-cron) OCF Resource Agent managing crontabs for ISC cron (ocf:xola:ISC-cron) OCF Resource Agent managing crontabs for ISC cron This RA manages crontabs for the ISC cron daemon by managing links to

Re: [ClusterLabs] Resources suddenly get target-role="stopped"

Hi, Sorry didn't get your point. The xml of the VM is on a active-active drbd drive with ocfs2 fs on it and is visible from both nodes. The live migration is always successful. On 4.12.2015 19:30, emmanuel segura wrote: I think the xml of your vm need to available on both nodes, but your

[ClusterLabs] Antw: Perl Modules for resource agents (was: Resource Agent language discussion)

Hi! A few comments (Build.PL): The part beginning at --- $ocf_dirs = qx{ . "$lib_ocf_dirs" 2> /dev/null echo "\$INITDIR" ... --- is somewhat complicated. Why not do something like --- $ocf_dirs = qx{ . "$lib_ocf_dirs" 2> /dev/null echo "INITDIR=\$INITDIR" ... --- and then parse the

[ClusterLabs] Antw: Re: start service after filesystemressource

>>> Ken Gaillot schrieb am 20.11.2015 um 16:06 in >>> Nachricht <564f36e2.90...@redhat.com>: [...] >> location cli-prefer-collectd collectd inf: host-1 >> location cli-prefer-failover-ip1 failover-ip1 inf: host-1 >> location cli-prefer-failover-ip2 failover-ip2 inf: host-1

Re: [ClusterLabs] Multisite Clusters: how many servers?

On 12/07/2015 09:57 PM, Michael Schwartzkopff wrote: > 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? Yes. No. Might be. ^L The concept of geo cluster is cluster of cluster, where the local

Re: [ClusterLabs] Multisite Clusters: how many servers?

On 12/07/2015 10:30 PM, Steven Jones wrote: > You need to be able to form a quorum to keep writes going in case of a split > brain scenario, if that is important to you and you can/prepared to pay for > it, if its data protection only then a fail safe to read only is all you need. > > So 3

Re: [ClusterLabs] design of a two-node cluster

Digimer wrote: > > On 07/12/15 12:35 PM, Lentes, Bernd wrote: > > Hi, > > > > i've been asking all around here a while ago. Unfortunately I couldn't > > continue to work on my cluster, so I'm still thinking about the design. > > I hope you will help me again with some recommendations, because >

[ClusterLabs] Multisite Clusters: how many servers?

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] Multisite Clusters: how many servers?

Hi, My 2 cents, You need to be able to form a quorum to keep writes going in case of a split brain scenario, if that is important to you and you can/prepared to pay for it, if its data protection only then a fail safe to read only is all you need. So 3 machines a quorum is 2, 15 machines the

Re: [ClusterLabs] design of a two-node cluster

On 07/12/15 03:27 PM, Lentes, Bernd wrote: > Digimer wrote: >> >> On 07/12/15 12:35 PM, Lentes, Bernd wrote: >>> Hi, >>> >>> i've been asking all around here a while ago. Unfortunately I couldn't >>> continue to work on my cluster, so I'm still thinking about the > design. >>> I hope you will help

Re: [ClusterLabs] design of a two-node cluster

On 07/12/15 12:35 PM, Lentes, Bernd wrote: > Hi, > > i've been asking all around here a while ago. Unfortunately I couldn't > continue to work on my cluster, so I'm still thinking about the design. > I hope you will help me again with some recommendations, because when the > cluster is running