I was wondering if it would be possible to introduce a new resource
state, in addition to those already existing in the OCF specifications
(like 0: no error, 1:succes), to indicate a resource is in a "busy" or
in a "(in) transition", or in a "recovery" or "healing" or "autofix" state,
typicall
Jolly New Year to all !
Taken from Florian's excellent and once direly needed Heartbeat v3 user guide
at:
http://people.linbit.com/~florian/heartbeat-users-guide/re-hacf.html
it tells us that ...
"compression:
The compression directive sets which compression method will be used when
On Thu, Nov 19, 2009 at 12:33:09PM +0100, Tomasz Chmielewski wrote:
>
> When one PostgreSQL server fails, the setup will still work fine. When
> the failed PostgreSQL instance is back, the data should be first
> "synchronized" from the running PostgreSQL server to a server which was
> failed a whil
On Thu, Nov 19, 2009 at 12:33:09PM +0100, Tomasz Chmielewski wrote:
>
> When one PostgreSQL server fails, the setup will still work fine. When
> the failed PostgreSQL instance is back, the data should be first
> "synchronized" from the running PostgreSQL server to a server which was
> failed a whi
dk wrote:
>> Now I'm the one confused.
>> What are these processes that show up when I ps -ef ?
>>
>> root..25621..0..2008..?00:00:00 [drbd7_worker]
>> root.175581..0..2008..?00:00:00 [drbd7_receiver]
>> root.246471..0.Jan02..?00:00:27 [drbd7_asender]
>>
>> Doe
dk wrote:
> Joe Bill wrote:
>
>> - The DRBD daemons provide the communication interface
>> for each network volume and are therefor an integral
>> part of the volume management. Without the DRBD daemons,
>>you (manually) and Heartbeat (automagically) could not
>&
> Stopping the Heartbeat daemon (service heartbeat stop)
> does not stop the DRBD daemon even if it is one of
> the resources.
- Heartbeat and DRBD are 2 different products/packages
- Like most services, DRBD doesn't need Heartbeat to run. You can set up and
run DRBD volumes without Heartbea
--- On Fri, 2/6/09, wrote:
> I have four node in setup lvm/filesystem resource works
> fine i.e it fails over back and forth without problem
> I am trying to configure now nfs resourece but I don't
> see any nfs RC script in /usr/lib/ocf/resource.d/heartbeat dir.
> I can't find any on google e
--- On Fri, 1/9/09, Dejan Muhamedagic wrote:
> > >2. Shorter specification of boolean variables
> >
> > Seems more cosmetic to me but have no reason to oppose.
> > Again strongly support *both* syntaxes.
> >
> > "not globally-unique" : NOK
> >
> > "!globally-unique" : OK, preferred over ab
--- On Fri, 1/9/09, Dejan Muhamedagic wrote:
>On Thu, Jan 08, 2009 at 06:07:08AM -0800, Joe Bill wrote:
>>
>> - the "master/slave, promote/demote" is not a universal
>> multi-state model and appears, to me at least, to poorly
>> represent instance re
On Wed, Jan 7, 2009 at 14:49, Dejan Muhamedagic wrote:
> Most of you are probably back from holidays, so now may be good
> time to give you some food for thought.
Happy to oblige.
>1. Detach monitor operations from primitives
>old (one statement):
...
>new (three statements):
Why the "params"
On Thu, Nov 20, 2008 at 08:32:52AM -0700, Ryan Kish wrote:
>> - Both nodes have a two ldap configurations, one for running as the
>> master, one for running as the slave. I had to write a couple of OCF
>> scripts for each service (master and slave).
On 2008-11-20, Dejan Muhamedagic wrote:
>
> I need a pair of simple USB-controlled 110v-power devices.
http://www.serialcontrols.com//Prod_Details/R4Box-USB.html
___
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See also: http:/
>The full set of options I'm using now is:
>options { long_hostnames(off); sync(0); perm(0640); stats(3600);
>check_hostname(no); dns_cache(yes); dns_cache_size(100);
>log_fifo_size(4096); keep_hostname(yes); chain_hostnames(no); };
Very nice. Thank you. !
__
>> I put the mysql datadir in /u/mysql and is ok.
>> but what about mysql.log, mysql.sock and mysql.pid
?
>> they must be in the shared disk or each node have
>> their own copy in /var/lib/mysq ?
> They should _not_ be on the shared disk. Some of
> them, such as mysql.pid, may even be used to
> ch
> we run "probes" on new cluster nodes...
> to make sure no service can ever be running twice
>> In other words, before starting a resource on a
>> node, for the first time after it's reboot, can
>> we assume HB always calls a "MONITOR" or a
>> "STOP" to certify no sub-resources used by that
>> r
All is clear, now.
I shall now assume a RA undertaking a "STOP" or
"START" operation should itself perform a thorough
evaluation of a resource's state before AND after
doing anything that might affect the state of the
resource.
This resource's state evaluation would involve similar
if not exactly
>> I would have thought it to be HB's job
>> to call those level 0 checks after a
>> resource state changing operation.
> ... So there are a number of reasons why
> its a good idea for RAs to do this.
I understand.
It's just that following what Alan wrote a year ago:
http://www.gossamer-threa
> It is also advisable that it accurately report
> the service's true state after a start operation
> and mandatory for a stop.
> This is easily done by calling a level 0 check
> in a loop at the end of both functions.
Sure, but HB's business being calling RAs to perform
all those STARTs and STOP
>> It suggests that the RA implementation of the
'START'
>> and 'STOP' operations, should include the code as
to
>> perform, before exiting, ALL the tests that are
>> carried out at ALL implemented check-levels of
>> monitoring, as to reliably return a resource's
>> status,
> It just relies on the
>> I also assume that HB performs a 'monitor
>> check-level 0' *after* a successful "start"
>> or "stop".
>> Is this correct ?
> No. If the RA exits with success (0) the action's
> considered to have been successful. (Hmm, how does
> that sound :)
Ugh ! Terrible, really ( ;-) ) !
It suggests tha
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_
>> What user operation exactly triggers Heartbeat v2
to
>> shortly after invoke a OCF RA to perform a "Reload"
>> operation, duefully implemented and advertised in
the
>> RA ?
Hello Mr. Beekhof,
Can you please confirm if I got this all right and
dandy ?
> you need >= 2.0.8
Ok.
> the RA needs to
Hello all you beautiful "High-Availability" seekers
out there.
Need a little documentation:
What user operation exactly triggers Heartbeat v2 to
shortly after invoke a OCF RA to perform a "Reload"
operation, duefully implemented and advertised in the
RA ?
Also, is there a delay parameter to tell
Hello to all my wonderful friends at Linux-HA, how are
you all today ?
Can anyone confirm the following to be a mistake:
At http://linux-ha.org/OCFResourceAgent
"Writing your own OCF Resource Agent:"
"Actions: Normal OCF Resource Agents are required to
have these actions:
...
. status - test if
>Date: Mon, 28 May 2007 16:26:39 -0300
>From: [EMAIL PROTECTED]
>Subject: [Linux-HA] Help with DRBD + Linux-HA
>To: General Linux-HA mailing list
>
>The problem I'm having is: if the primary node
>s0580crmdb2pr1 is fenced or turned off or have no
>network communication for a while (for a
>mainte
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