Re: [Linux-ha-dev] Deprecated resource agents

2010-04-20 Thread Andrew Beekhof
On Tue, Apr 20, 2010 at 8:15 AM, Florian Haas wrote: > On 04/20/2010 07:03 AM, Tim Serong wrote: >> On 4/20/2010 at 06:48 AM, Lars Marowsky-Bree wrote: >>> In general, I think the ability to depreciate functionality is needed, >>> but shouldn't be slip-streamed into a minor dot release, and we fi

[Linux-ha-dev] Updated, extended RA: mysql

2010-04-20 Thread Florian Haas
Hello, a little while back, Marian Marinov made an excellent contribution in the form of proof-of-concept code that extends the mysql resource agent with additional functionality. This includes built-in support for MySQL replication, the ability to run the RA as a clone, and also as a master/slave

Re: [Linux-ha-dev] NFS resource agent for active-active clusters / Filesystem RA

2010-04-20 Thread Lars Ellenberg
On Tue, Apr 20, 2010 at 12:25:39AM -0600, Tim Serong wrote: > On 4/20/2010 at 03:36 PM, luben karavelov wrote: > > >> My understanding is > > >> that nfsd is a kernel thread. In fact this is the case here: > > >> > > >> r...@lab2:~# ps axu | grep nfs > > >> > > >> root 913 0.0 0.0

Re: [Linux-ha-dev] Updated, extended RA: mysql

2010-04-20 Thread Dejan Muhamedagic
Hi, On Tue, Apr 20, 2010 at 09:32:03AM +0200, Florian Haas wrote: > Hello, > > a little while back, Marian Marinov made an excellent contribution in > the form of proof-of-concept code that extends the mysql resource agent > with additional functionality. This includes built-in support for MySQL

Re: [Linux-ha-dev] NFS resource agent for active-active clusters / Filesystem RA

2010-04-20 Thread Tim Serong
On 4/20/2010 at 06:13 PM, Lars Ellenberg wrote: > [...] > > And how should the Filesystem RA know? reference counts held by nfsd > kernel threads usually do not show up in fuser. > > [...] > > > > > So if it's the NFSDs that are holding files open, the Filesystem RA > should > > > > h

Re: [Linux-ha-dev] Deprecated resource agents

2010-04-20 Thread Lars Marowsky-Bree
On 2010-04-19T23:04:42, Lars Ellenberg wrote: > > If it works and is auto-migrated, the warning shouldn't be "noisy" - the > > logs already are ;-) > > That's the vicious circle: > if the noise level is too high, everyone starts shouting. > > If we can do it mostly under the lid, lets keep it t

Re: [Linux-ha-dev] Deprecated resource agents

2010-04-20 Thread Lars Marowsky-Bree
On 2010-04-19T23:03:23, Tim Serong wrote: > This'd be easiest if the metadata explicitly said an RA was deprecated, > for example something like: > > > > > ... That'd make sense, and possibly include a "obsoleted-by" field. Actually, if the transition is possible in a 1:1 form, this

Re: [Linux-ha-dev] OCF

2010-04-20 Thread Lars Marowsky-Bree
On 2010-04-20T09:15:12, Andrew Beekhof wrote: > Which brings up another good point... > Can we please make OCF relevant again by converting the repo to Hg and > allowing access? The server the CVS repo is on right now is way too old to host a recent hg version, and for various reasons, I'd be re

Re: [Linux-ha-dev] Deprecated resource agents

2010-04-20 Thread Lars Marowsky-Bree
On 2010-04-20T08:20:57, Florian Haas wrote: > > And the first two _are_ still used/maintained for the SLES10 > > packages. > Which means they'll _never_ even install a resource-agents package > without risking to lose support. Why do we need to carry those RAs in > future upstream releases of res

Re: [Linux-ha-dev] Deprecated resource agents

2010-04-20 Thread Dejan Muhamedagic
Hi, On Tue, Apr 20, 2010 at 03:33:14PM +0200, Lars Marowsky-Bree wrote: > On 2010-04-20T08:20:57, Florian Haas wrote: > > > > And the first two _are_ still used/maintained for the SLES10 > > > packages. > > Which means they'll _never_ even install a resource-agents package > > without risking to

Re: [Linux-ha-dev] Updated, extended RA: mysql

2010-04-20 Thread Marian Marinov
On Tuesday 20 April 2010 13:08:49 Dejan Muhamedagic wrote: > Hi, > > On Tue, Apr 20, 2010 at 09:32:03AM +0200, Florian Haas wrote: > > Hello, > > > > a little while back, Marian Marinov made an excellent contribution in > > the form of proof-of-concept code that extends the mysql resource agent >

Re: [Linux-ha-dev] Deprecated resource agents

2010-04-20 Thread Dejan Muhamedagic
On Tue, Apr 20, 2010 at 03:24:45PM +0200, Lars Marowsky-Bree wrote: > On 2010-04-19T23:03:23, Tim Serong wrote: > > > This'd be easiest if the metadata explicitly said an RA was deprecated, > > for example something like: > > > > > > > > > > ... > > That'd make sense, and possibly in

Re: [Linux-ha-dev] Deprecated resource agents

2010-04-20 Thread Lars Ellenberg
On Tue, Apr 20, 2010 at 03:23:11PM +0200, Lars Marowsky-Bree wrote: > > > Switching the ra type is, after all, another of those changes that > > > require a full restart of the resource (and thus service down-time). > > maintenance-mode=on > > s/ocf:heartbeat:drbd/ocf:linbit:drbd/g > > # some other

Re: [Linux-ha-dev] Deprecated resource agents

2010-04-20 Thread Dejan Muhamedagic
Hi, On Tue, Apr 20, 2010 at 05:57:41PM +0200, Lars Ellenberg wrote: > On Tue, Apr 20, 2010 at 03:23:11PM +0200, Lars Marowsky-Bree wrote: > > > > Switching the ra type is, after all, another of those changes that > > > > require a full restart of the resource (and thus service down-time). > > > ma

Re: [Linux-ha-dev] Updated, extended RA: mysql

2010-04-20 Thread Florian Haas
On 04/20/2010 12:08 PM, Dejan Muhamedagic wrote: >> The resource agent will come with an updated and much extended man page >> for the 1.0.4 release, and additional how-to information will live at >> http://www.linux-ha.org/wiki/mysql_(resource_agent) -- please bear with >> us as we add content. >

Re: [Linux-ha-dev] Deprecated resource agents

2010-04-20 Thread Andrew Beekhof
On Tue, Apr 20, 2010 at 3:23 PM, Lars Marowsky-Bree wrote: > On 2010-04-19T23:04:42, Lars Ellenberg wrote: >> > Switching the ra type is, after all, another of those changes that >> > require a full restart of the resource (and thus service down-time). >> maintenance-mode=on >> s/ocf:heartbeat:d