[Linux-HA] resource-agents 3.9.6 released

2015-01-30 Thread Dejan Muhamedagic
Hello,

We've tagged today (Jan 30) a new stable resource-agents release
(3.9.6) in the upstream repository.

Big thanks go to all contributors! Needless to say, without you
this release would not be possible.

It has been almost two years since the release v3.9.5, hence the
number of changes is quite big. Still, every precaution has been
taken not to introduce regressions.

These are the most significant new features in the linux-ha set:

- new resource agents:

clvm
dnsupdate
docker
galera
iface-bridge
iface-vlan
kamailio
nfsnotify
sg_persist
vsftpd
zabbixserver

- the drbd agent was removed (it has been deprecated since quite
  some time in favour of ocf:linbit:drbd)

The full list of changes for the linux-ha RA set is available in
ChangeLog
(https://github.com/ClusterLabs/resource-agents/blob/v3.9.6/ChangeLog)

Use the agents introduced with this release with due care: they
probably haven't got a lot of field testing.

Please upgrade at the earliest opportunity.

Best,

The resource-agents maintainers
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[Linux-ha-dev] resource-agents 3.9.6 released

2015-01-30 Thread Dejan Muhamedagic
Hello,

We've tagged today (Jan 30) a new stable resource-agents release
(3.9.6) in the upstream repository.

Big thanks go to all contributors! Needless to say, without you
this release would not be possible.

It has been almost two years since the release v3.9.5, hence the
number of changes is quite big. Still, every precaution has been
taken not to introduce regressions.

These are the most significant new features in the linux-ha set:

- new resource agents:

clvm
dnsupdate
docker
galera
iface-bridge
iface-vlan
kamailio
nfsnotify
sg_persist
vsftpd
zabbixserver

- the drbd agent was removed (it has been deprecated since quite
  some time in favour of ocf:linbit:drbd)

The full list of changes for the linux-ha RA set is available in
ChangeLog
(https://github.com/ClusterLabs/resource-agents/blob/v3.9.6/ChangeLog)

Use the agents introduced with this release with due care: they
probably haven't got a lot of field testing.

Please upgrade at the earliest opportunity.

Best,

The resource-agents maintainers
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Re: [Linux-HA] Antw: Re: Antw: Re: Antw: Re: Antw: Re: SLES11 SP3: warning: crm_find_peer: Node 'h01' and 'h01' share the same cluster nodeid: 739512321

2015-01-30 Thread Lars Marowsky-Bree
On 2015-01-30T14:57:29, Ulrich Windl ulrich.wi...@rz.uni-regensburg.de wrote:

  # grep -i high /etc/corosync/corosync.conf
  clear_node_high_bit:new
  
  Could this cause our problem?
  This is an option that didn't exist prior to SP3.
 With there was no change meant: No administrator did change the file; if a
 package installation changed the file, I'm not aware of it.

Hrm. It's definitely not an option that is meant to be changed
automatically. Because it would break upgrades if it was. If you have
logs that cover the upgrade process, I'm pretty sure someone would be
willing to investigate.

  And yes, changing this option would cause exactly the issue you've seen.
 
 So it's this phrase from the manual page?:
 
   WARNING:  The  clusters  behavior is undefined if this option
 is
   enabled on only a subset of the cluster (for  example  during 
 a
   rolling upgrade).

Among others, yes. Basically, it changes how the automated nodeid is
computed. Clearly, that shouldn't be done unnecessarily. And also,
pacemaker should cope with changing nodeids; I thought recent (I forgot
when exactly) pacemaker updates fixed this. It can be a bit messy at
times.

 BTW: The manual page does not says that nodeid has to be a positive 32-bit
 2-complement; the page just says it's a 32-bit number...

For corosync, it doesn't matter, this is a limitation actually coming
from the DLM in-kernel. Isn't that nice. ;-)


Regards,
Lars

-- 
Architect Storage/HA
SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Jennifer Guild, Dilip 
Upmanyu, Graham Norton, HRB 21284 (AG Nürnberg)
Experience is the name everyone gives to their mistakes. -- Oscar Wilde

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Re: [Linux-HA] [Planning] Organizing HA Summit 2015

2015-01-30 Thread Digimer

On 30/01/15 08:34 AM, Dejan Muhamedagic wrote:

Hi Digimer,

On Tue, Jan 13, 2015 at 12:31:22AM -0500, Digimer wrote:

Hi all,

   With Fabio away for now, I (and others) are working on the final
preparations for the summit. This is your chance to speak up and
influence the planning! Objections/suggestions? Speak now please. :)

   In particular, please raise topics you want to discuss. Either add
them to the wiki directly or email me and I will update the wiki for
you. (Note that registration is closed because of spammers, if you
want an account just let me know and I'll open it back up).


Sorry for being so late with the discussion proposal.

I'd like to discuss Geo Clustering and booth.

Cheers and see you in a few days,

Dejan


Added!

--
Digimer
Papers and Projects: https://alteeve.ca/w/
What if the cure for cancer is trapped in the mind of a person without 
access to education?

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[Linux-HA] Antw: Re: Antw: Re: Antw: Re: Antw: Re: SLES11 SP3: warning: crm_find_peer: Node 'h01' and 'h01' share the same cluster nodeid: 739512321

2015-01-30 Thread Ulrich Windl
 Lars Marowsky-Bree l...@suse.com schrieb am 30.01.2015 um 14:38 in
Nachricht
20150130133815.gf2...@suse.de:
 On 2015-01-30T08:23:14, Ulrich Windl ulrich.wi...@rz.uni-regensburg.de
wrote:
 
 Two of the three nodes were actually updated from SP1 via SP2 to SP3, and 
 the
 third node was installed with SP3. AFAIR there was no configuration change
 since SP1.
 
 That must be incorrect, because:
 
  Was the corosync.conf option clear_node_high_bit changed?
 
 # grep -i high /etc/corosync/corosync.conf
 clear_node_high_bit:new
 
 Could this cause our problem?
 
 This is an option that didn't exist prior to SP3.

With there was no change meant: No administrator did change the file; if a
package installation changed the file, I'm not aware of it.

 
 And yes, changing this option would cause exactly the issue you've seen.

So it's this phrase from the manual page?:

  WARNING:  The  clusters  behavior is undefined if this option
is
  enabled on only a subset of the cluster (for  example  during 
a
  rolling upgrade).

BTW: The manual page does not says that nodeid has to be a positive 32-bit
2-complement; the page just says it's a 32-bit number...

 
 The old default behaviour was buggy, but since we couldn't fix it w/o
 this, we introduced new and defaulted new clusters to this; existing
 configuration files would remain on their old mode and thus remain
 compatible.
 
 
 Regards,
 Lars
 
 -- 
 Architect Storage/HA
 SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Jennifer Guild, Dilip

 Upmanyu, Graham Norton, HRB 21284 (AG Nürnberg)
 Experience is the name everyone gives to their mistakes. -- Oscar Wilde
 
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 Linux-HA@lists.linux-ha.org 
 http://lists.linux-ha.org/mailman/listinfo/linux-ha 
 See also: http://linux-ha.org/ReportingProblems 



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Re: [Linux-HA] Antw: Re: Antw: Re: Antw: Re: SLES11 SP3: warning: crm_find_peer: Node 'h01' and 'h01' share the same cluster nodeid: 739512321

2015-01-30 Thread Lars Marowsky-Bree
On 2015-01-30T08:23:14, Ulrich Windl ulrich.wi...@rz.uni-regensburg.de wrote:

 Two of the three nodes were actually updated from SP1 via SP2 to SP3, and the
 third node was installed with SP3. AFAIR there was no configuration change
 since SP1.

That must be incorrect, because:

  Was the corosync.conf option clear_node_high_bit changed?
 
 # grep -i high /etc/corosync/corosync.conf
 clear_node_high_bit:new
 
 Could this cause our problem?

This is an option that didn't exist prior to SP3.

And yes, changing this option would cause exactly the issue you've seen.

The old default behaviour was buggy, but since we couldn't fix it w/o
this, we introduced new and defaulted new clusters to this; existing
configuration files would remain on their old mode and thus remain
compatible.


Regards,
Lars

-- 
Architect Storage/HA
SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Jennifer Guild, Dilip 
Upmanyu, Graham Norton, HRB 21284 (AG Nürnberg)
Experience is the name everyone gives to their mistakes. -- Oscar Wilde

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Re: [Linux-HA] [Planning] Organizing HA Summit 2015

2015-01-30 Thread Dejan Muhamedagic
Hi Digimer,

On Tue, Jan 13, 2015 at 12:31:22AM -0500, Digimer wrote:
 Hi all,
 
   With Fabio away for now, I (and others) are working on the final
 preparations for the summit. This is your chance to speak up and
 influence the planning! Objections/suggestions? Speak now please. :)
 
   In particular, please raise topics you want to discuss. Either add
 them to the wiki directly or email me and I will update the wiki for
 you. (Note that registration is closed because of spammers, if you
 want an account just let me know and I'll open it back up).

Sorry for being so late with the discussion proposal.

I'd like to discuss Geo Clustering and booth.

Cheers and see you in a few days,

Dejan

 The plan is;
 
 * Informal atmosphere with limited structure to make sure key topics
 are addressed.
 
 Two ways topics will be discussed;
 
 ** Someone will guide a given topic they want to raise for ~45
 minutes, 15 minutes for QA
 
 ** Round-table style discussion with no one person leading (though
 it would be nice to have someone taking notes).
 
 People presenting are asked not to use slides. Hand-outs are fine
 and either a white-board or paper flip-board will be available for
 illustrating ideas and flushing out concepts.
 
 The summit will start at 9:00 and go until 17:00. We'll go for a
 semi-official summit dinner and drinks around 6pm on the 4th
 (location to be determined). Those staying in Brno are more than
 welcome to join an informal dinner and drinks (and possibly some
 sight-seeing, etc) the evening of the 5th.
 
 Any concerns/comments/suggestions, please speak up ASAP!
 
 -- 
 Digimer
 Papers and Projects: https://alteeve.ca/w/
 What if the cure for cancer is trapped in the mind of a person
 without access to education?
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