Re: [ClusterLabs] Notifications on changes in clustered LVM

2017-06-19 Thread Digimer
On 19/06/17 11:40 PM, Andrei Borzenkov wrote: > 20.06.2017 02:15, Digimer пишет: >> On 19/06/17 06:59 PM, Ferenc Wágner wrote: >>> Digimer writes: >>> So we have a tool that watches for changes to clvmd by running pvscan/vgscan/lvscan, but this seems to be expensive

Re: [ClusterLabs] Notifications on changes in clustered LVM

2017-06-19 Thread Andrei Borzenkov
20.06.2017 02:15, Digimer пишет: > On 19/06/17 06:59 PM, Ferenc Wágner wrote: >> Digimer writes: >> >>> So we have a tool that watches for changes to clvmd by running >>> pvscan/vgscan/lvscan, but this seems to be expensive and occassionally >>> cause trouble. >> >> What kind of

Re: [ClusterLabs] Notifications on changes in clustered LVM

2017-06-19 Thread Digimer
On 19/06/17 06:59 PM, Ferenc Wágner wrote: > Digimer writes: > >> So we have a tool that watches for changes to clvmd by running >> pvscan/vgscan/lvscan, but this seems to be expensive and occassionally >> cause trouble. > > What kind of trouble did you experience? > >> Is

Re: [ClusterLabs] Notifications on changes in clustered LVM

2017-06-19 Thread Ferenc Wágner
Digimer writes: > So we have a tool that watches for changes to clvmd by running > pvscan/vgscan/lvscan, but this seems to be expensive and occassionally > cause trouble. What kind of trouble did you experience? > Is there any other way to be notified or to check when

Re: [ClusterLabs] clearing failed actions

2017-06-19 Thread Attila Megyeri
One more thing to add. Two almost identical clusters, with the identical asterisk primitive produce a different crm_verify output. on one cluster, it returns no warnings, whereas the other once complains: On the problematic one: crm_verify --live-check -VV warning: get_failcount_full:

Re: [ClusterLabs] clearing failed actions

2017-06-19 Thread Attila Megyeri
I did another experiment, even simpler. Created one node, one resource, using pacemaker 1.1.14 on ubuntu. Configured failcount to 1, migration threshold to 2, failure timeout to 1 minute. crm_mon: Last updated: Mon Jun 19 19:43:41 2017 Last change: Mon Jun 19 19:37:09 2017 by root

Re: [ClusterLabs] clearing failed actions

2017-06-19 Thread Attila Megyeri
Hi Ken, /sorry for the long text/ I have created a relatively simple setup to localize the issue. Three nodes, no fencing, just a master/slave mysql with two virual IPs. Just as a reminden, my primary issue is, that on cluster recheck intervals, tha failcounts are not cleared. I simuated a

Re: [ClusterLabs] what is the best practice for removing a node temporary (e.g. for installing updates) ?

2017-06-19 Thread Ken Gaillot
On 06/19/2017 10:23 AM, Lentes, Bernd wrote: > Hi, > > what would you consider to be the best way for removing a node temporary from > the cluster, e.g. for installing updates ? > I thought "crm node maintenance node" would be the right way, but i was > astonished that the resources keep

[ClusterLabs] Notifications on changes in clustered LVM

2017-06-19 Thread Digimer
So we have a tool that watches for changes to clvmd by running pvscan/vgscan/lvscan, but this seems to be expensive and occassionally cause trouble. Is there any other way to be notified or to check when something changes? cheers -- Digimer Papers and Projects: https://alteeve.com/w/ "I am,

[ClusterLabs] what is the best practice for removing a node temporary (e.g. for installing updates) ?

2017-06-19 Thread Lentes, Bernd
Hi, what would you consider to be the best way for removing a node temporary from the cluster, e.g. for installing updates ? I thought "crm node maintenance node" would be the right way, but i was astonished that the resources keep running on it. I would have expected that the resources stop.

Re: [ClusterLabs] ClusterIP won't return to recovered node

2017-06-19 Thread Klaus Wenninger
On 06/16/2017 09:08 PM, Ken Gaillot wrote: > On 06/16/2017 01:18 PM, Dan Ragle wrote: >> >> On 6/12/2017 10:30 AM, Ken Gaillot wrote: >>> On 06/12/2017 09:23 AM, Klaus Wenninger wrote: On 06/12/2017 04:02 PM, Ken Gaillot wrote: > On 06/10/2017 10:53 AM, Dan Ragle wrote: >> So I guess

Re: [ClusterLabs] Installing on SLES 12 -- Where's the Repos?

2017-06-19 Thread Kai Dupke
On 06/16/2017 07:27 PM, Eric Robinson wrote: > Rather go with the easiest option available. And here it comes to the question of support. For enterprises, be it just servers or High Availability, Storage or Cloud, it's about the package as they say in the formula 1. Having something as Open