Re: [Linux-HA] application based HA

2014-11-15 Thread Miles Fidelman
looking is that I'd like to migrate to either a BSD or illumos based platform, but there's no Xen and no DRBD.) Miles Fidelman HAST I've been wrestling with this one for a while - more in terms of setting up HA applications -- In theory, there is no difference between theory and practice

Re: [Linux-HA] resource won't run on specific node SOLVED

2013-07-29 Thread Miles Fidelman
into account - the error message doesn't propagate up to crm Anyway... problem found and solved. Miles Fidelman 2013/7/27 Miles Fidelman mfidelman at meetinghouse.net http://lists.linux-ha.org/mailman/listinfo/linux-ha // Dual-node, pacemaker cluster, DRBD-backed xen virtual machines - one of // our

Re: [Linux-HA] resource won't run on specific node

2013-07-28 Thread Miles Fidelman
%20on%20a%20specific%20nodeIn-Reply-To=%3CCAE7pJ3DD4OzMtsFtJUkRsNtD5b2fGhTiCGTOHtmxUuMdNFB_8w%40mail.gmail.com%3E Hello Can you show us crm configure show? thanks 2013/7/27 Miles Fidelman mfidelman at meetinghouse.net http://lists.linux-ha.org/mailman/listinfo/linux-ha / Hi Folks, // // Dual

[Linux-HA] resource won't run on a specific node

2013-07-27 Thread Miles Fidelman
to migrate the server fail with the same errors. Failover USED to work just fine. It still works for other VMs. Any idea how to track down what's failing? Thanks very much, Miles Fidelman -- In theory, there is no difference between theory and practice. In practice, there is. Yogi Berra

[Linux-HA] possibly silly configuration - comments please

2012-12-26 Thread Miles Fidelman
this make sense, or is it totally crazy? Thanks much, Miles Fidelman -- In theory, there is no difference between theory and practice. In practice, there is. Yogi Berra ___ Linux-HA mailing list Linux-HA@lists.linux-ha.org http://lists.linux-ha.org

Re: [Linux-HA] Single Point of Failure

2012-01-12 Thread Miles Fidelman
, the incoming transaction fails and the sending host tries again) Hope this helps, Miles Fidelman -- In theory, there is no difference between theory and practice. In practice, there is. Yogi Berra ___ Linux-HA mailing list Linux-HA@lists.linux

Re: [Linux-HA] Single Point of Failure

2012-01-12 Thread Miles Fidelman
of a tornado (not too much of a problem in Boston), it's all pretty solid. Miles Fidelman -- In theory, there is no difference between theory and practice. In practice, there is. Yogi Berra ___ Linux-HA mailing list Linux-HA@lists.linux-ha.org http

Re: [Linux-HA] md group take over?

2011-11-02 Thread Miles Fidelman
Andreas Kurz wrote: Hello, On 11/01/2011 11:29 PM, Miles Fidelman wrote: I've seen a few references to a resource agent for md group take over - but can't seem to find the actual agent or any documentation. mean ocf:heartbeat:ManageRAID RA? That sure looks like what I might be looking

[Linux-HA] md group take over?

2011-11-01 Thread Miles Fidelman
I've seen a few references to a resource agent for md group take over - but can't seem to find the actual agent or any documentation. Anybody know if it's real? Where to find more info? Thanks much, Miles Fidelman -- In theory, there is no difference between theory and practice. Infnord

[Linux-HA] partial recovery - odd status - help

2011-10-29 Thread Miles Fidelman
on? - how do I complete the shut down and transition to primary/secondary DRBD status Thanks very much, Miles Fidelman -- In theory, there is no difference between theory and practice. Infnord practice, there is. Yogi Berra ___ Linux-HA mailing

[Linux-HA] small cluster storage configuration?

2011-10-09 Thread Miles Fidelman
thoughts and/or experiences? Thanks very much, Miles Fidelman -- In theory, there is no difference between theory and practice. Infnord practice, there is. Yogi Berra ___ Linux-HA mailing list Linux-HA@lists.linux-ha.org http://lists.linux

[Linux-HA] migrating to a new server

2011-04-18 Thread Miles Fidelman
be syncing between DRBD 8.2 (old nodes), DRBD 8.3 (new nodes) - seems like a lot of exposure. Thanks, Miles Fidelman -- In theory, there is no difference between theory and practice. Infnord practice, there is. Yogi Berra ___ Linux-HA mailing

[Linux-HA] migrate/failover and md device?

2011-04-09 Thread Miles Fidelman
automatically if a node and its drives die. But I'm sort of at a loss on how to proceed here. Suggestions? Pointers to learning resources? Thanks much, Miles Fidelman -- In theory, there is no difference between theory and practice. Infnord practice, there is. Yogi Berra

[Linux-HA] 3+node clusters?

2011-04-03 Thread Miles Fidelman
at some kind of cluster file system instead of DRBD? Thanks very much, Miles Fidelman -- In theory, there is no difference between theory and practice. Infnord practice, there is. Yogi Berra ___ Linux-HA mailing list Linux-HA@lists.linux-ha.org

Re: [Linux-HA] update question

2011-04-01 Thread Miles Fidelman
Helmut Wollmersdorfer wrote: Am 01.04.2011 um 09:44 schrieb Andrew Beekhof: On Mon, Mar 28, 2011 at 9:08 PM, Miles Fidelman mfidel...@meetinghouse.net wrote: Hi Folks, I'm getting ready to upgrade a 2-node HA cluster from Debian Etch to Squeeze. I'd very much appreciate any

[Linux-HA] update question

2011-03-28 Thread Miles Fidelman
sense to install Ganeti and use it to manage the cluster? If so, any suggestions on a migration path? (Yes, it would be easier if I had one or two additional servers to use for intermediate staging, but such is life.) Thanks Very Much, Miles Fidelman -- In theory, there is no difference

Re: [Linux-HA] Are there any Linux alternatives to drbd and heartbeat?

2010-12-09 Thread Miles Fidelman
/corosync is really the only solution in this space? Miles Fidelman -- In theory, there is no difference between theory and practice. Infnord practice, there is. Yogi Berra ___ Linux-HA mailing list Linux-HA@lists.linux-ha.org http://lists.linux

[Linux-HA] HELP - debugging a hanging domU boot?

2010-10-28 Thread Miles Fidelman
boot process for diagnostic purposes. Any suggestions? Thanks very much, Miles Fidelman p.s. What makes this particularly vexing is that the DomU that refuses to come up has no purpose in life other than to handle nightly backups of other domUs. Sigh... -- In theory, there is no difference

Re: [Linux-HA] HELP - debugging a hanging domU boot?

2010-10-28 Thread Miles Fidelman
Petri Asikainen wrote: Have you tried to mount/fsck filesystem xvd from dom0? For me this look like filesystem related issue. It's better to convert domu /boot partions to ext2 to prevent journal recovery related issues. good points - I think that's my next step -- In theory, there

Re: [Linux-HA] HELP - debugging a hanging domU boot?

2010-10-28 Thread Miles Fidelman
with a live CD and start examining things. But with everything wired with CRM and Xen in the middle of the boot process, I'm a little lost as to how to insert myself into the domU boot process for diagnostic purposes. Any suggestions? Thanks very much, Miles Fidelman p.s. What makes

Re: [Linux-HA] HELP - debugging a hanging domU boot?

2010-10-28 Thread Miles Fidelman
be that it was trying to do a repair, and I didn't have the patience to wait it out Had to mount the root directory and pour through logs for the DomU to find this running an fsck on it now still begs the question of how to do single-user, or other diagnostic boot of a domU Miles Fidelman

[Linux-HA] Xen + pacemaker/DRBD vs. Remus?

2010-09-06 Thread Miles Fidelman
machines)? Thanks, Miles Fidelman -- In theory, there is no difference between theory and practice. Infnord practice, there is. Yogi Berra ___ Linux-HA mailing list Linux-HA@lists.linux-ha.org http://lists.linux-ha.org/mailman/listinfo/linux

[Linux-HA] very odd iowait problem

2010-06-19 Thread Miles Fidelman
or suggestions. Off to bed Miles Fidelman -- In theory, there is no difference between theory and practice. Infnord practice, there is. Yogi Berra ___ Linux-HA mailing list Linux-HA@lists.linux-ha.org http://lists.linux-ha.org/mailman

Re: [Linux-HA] very odd iowait problem

2010-06-19 Thread Miles Fidelman
Ciro Iriarte wrote: 2010/6/19 Miles Fidelmanmfidel...@meetinghouse.net: Hi Folks, I'm experiencing a very odd, daily, high-load situation - that seems to localize in my disk stack. I direct this to the xen-users, linux-raid and linux-ha lists as I expect there's a pretty high degree of

Re: [Linux-HA] upgrade problem

2010-06-11 Thread Miles Fidelman
Guys... that did it. Thanks! Miles Dejan Muhamedagic wrote: Hi, On Fri, Jun 11, 2010 at 11:54:50AM +0200, Lars Ellenberg wrote: On Thu, Jun 10, 2010 at 02:11:29PM -0400, Miles Fidelman wrote: Dejan Muhamedagic wrote: Hi, On Wed, Jun 09, 2010 at 10:09:33PM -0400

Re: [Linux-HA] upgrade problem

2010-06-10 Thread Miles Fidelman
Dejan Muhamedagic wrote: Hi, On Wed, Jun 09, 2010 at 10:09:33PM -0400, Miles Fidelman wrote: upgraded heartbeat2 to heartbeat3+pacemaker on Debian Lenny All seems to have gone well, and pretty painlessly - everything is up and running, with one remaining issue: As I understand

[Linux-HA] upgrade problem

2010-06-09 Thread Miles Fidelman
on how to get past this? Thank you very much, Miles Fidelman -- In theory, there is no difference between theory and practice. Infnord practice, there is. Yogi Berra ___ Linux-HA mailing list Linux-HA@lists.linux-ha.org http://lists.linux-ha.org

[Linux-HA] tracking down reason for crash?

2010-06-08 Thread Miles Fidelman
, Miles Fidelman -- In theory, there is no difference between theory and practice. Infnord practice, there is. Yogi Berra ___ Linux-HA mailing list Linux-HA@lists.linux-ha.org http://lists.linux-ha.org/mailman/listinfo/linux-ha See also: http

Re: [Linux-HA] tracking down reason for crash?

2010-06-08 Thread Miles Fidelman
on whether it would be easier to simply download the latest tarballs, and ./configure, make, make install? Thanks! Miles Fidelman -- In theory, there is no difference between theory and practice. Infnord practice, there is. Yogi Berra ___ Linux-HA

Re: [Linux-HA] tracking down reason for crash?

2010-06-08 Thread Miles Fidelman
a little more about moved from corosync from heartbeat. I'm just a little leery about simply putting the new source line in apt, doing an apt-get update and then apt-get install pacemaker. Thanks very much, Miles Fidelman -- In theory, there is no difference between theory and practice