Re: [Linux-HA] HA Summit Key-signing Party (was: Organizing HA Summit 2015)

2015-01-26 Thread Marcus Bointon
I have some keybase.io invitations if anyone wants one. Marcus -- Marcus Bointon Technical Director, Synchromedia Limited Creators of http://www.smartmessages.net/ UK 1CRM solutions http://www.syniah.com/ mar...@synchromedia.co.uk | http://www.synchromedia.co.uk/ signature.asc Description

Re: [Linux-HA] How many primitives, groups can I have

2013-11-11 Thread Marcus Bointon
On 11 Nov 2013, at 13:57, Michael Brookhuis wrote: > Is there a limit in the number of proimitives, etc you can have? > What maximum number is recommended based on best-practices? > > Are 1500 to many? I think it depends on your transport layer. If you're using heartbeat I think I ran into a p

Re: [Linux-HA] The Heartbeat of learning

2013-10-16 Thread Marcus Bointon
On 16 Oct 2013, at 16:44, Digimer wrote: > Corosync uses the totem protocol for "heartbeat" like monitoring of the... Thank you for the clearest summary of the HA stack I've seen so far! It should be on the HA site somewhere (it probably is...!) Marcus signature.asc Description: Message sign

Re: [Linux-HA] Need some help, Two node M/S IPAddr2 IP Failover, both nodes slaves

2013-08-09 Thread Marcus Bointon
On 9 Aug 2013, at 06:29, Gary Mazzaferro wrote: > Additionally, the traffic to the nodes seem interleaved, random connection > to node1/node2 from clients. > > And, when I shut down node2 or place it in standby, the VIP doesn't shift > to node1, it appears the the node1 is down. This sounds lik

Re: [Linux-HA] MailTo resources, 'message too long' errors

2013-08-06 Thread Marcus Bointon
On 6 Aug 2013, at 11:10, Dejan Muhamedagic wrote: > Which compression setting do you have now? I think you should > try with different compression settings as suggested there by Lars. I had no compression set at all. I added the settings as advised in that posting and it does seem to have solve

[Linux-HA] MailTo resources, 'message too long' errors

2013-08-05 Thread Marcus Bointon
I have two nodes running heartbeat 3.0.5 and pacemaker 1.1.6 (both from the linux-ha lucid ppa). They are running 11 groups each comprising an ocf:heartbeat:IPaddr2, an ocf:heartbeat:SendArp and an ocf:heartbeat:MailTo. There is also a mailto resource configured for the overall cluster. Despite

Re: [Linux-HA] Antw: Resource moves

2013-04-19 Thread Marcus Bointon
On 19 Apr 2013, at 16:41, "Ulrich Windl" wrote: > Let me comment: "crm resource migrate prm_yours PT2M" will make a constraint > that will stay in your CIB forever also, but it's active only for 2 minutes. Where does the 2 minutes come from? As far as I can see they stick around until you del

Re: [Linux-HA] Resource moves

2013-04-19 Thread Marcus Bointon
On 19 Apr 2013, at 14:48, Florian Crouzat wrote: > About move and constraints, it all goes down to a design choice, but to > me, it makes sense (for the reasons I mentioned in my first answer) and > it's documented, so ... :) > When you, as > an admin says otherwise, the cluster trusts you a

Re: [Linux-HA] Resource moves

2013-04-19 Thread Marcus Bointon
ode without creating persistent location rules? Marcus -- Marcus Bointon Synchromedia Limited: Creators of http://www.smartmessages.net/ UK info@hand CRM solutions mar...@synchromedia.co.uk | http://www.synchromedia.co.uk/ ___ Linux-HA mailing list Linux-HA@

Re: [Linux-HA] Resource moves

2013-04-19 Thread Marcus Bointon
rather defeat the point of unmove. Is there a move/unmove that doesn't apply location rules, but just tells the resource to move? Marcus -- Marcus Bointon Synchromedia Limited: Creators of http://www.smartmessages.net/ UK info@hand CRM solutions mar...@synchromedia.co.uk | http://www.synchrom

[Linux-HA] Resource moves

2013-04-19 Thread Marcus Bointon
I issue the same command again (to make it migrate back), it does the same thing (but to the other node), pinning it hard to its original location rather than just removing the constraint. Is there a better way of doing this? Marcus -- Marcus Bointon Synchromedia Limited: Creators of http://www.s

Re: [Linux-HA] Resource move not moving

2013-04-16 Thread Marcus Bointon
verage, 0% utilization) in the last 10min There's a lot there, but nothing that clearly says "I moved proxyfloat3", or more to the point, didn't... Marcus -- Marcus Bointon Synchromedia Limited: Creators of http://www.smartmessages.net/ UK info@hand CRM soluti

[Linux-HA] Resource move not moving

2013-04-16 Thread Marcus Bointon
arted proxy1 ip3email (ocf::heartbeat:MailTo):Started proxy1 So if all that's true, why is that resource group still on the original node? Is there something else I need to do? Marcus -- Marcus Bointon Synchromedia Limited: Creators of http://www.smartmessages.net/ UK info@hand C

[Linux-HA] PSU tip

2013-01-03 Thread Marcus Bointon
PSU; do not use the 'auto' mode! This particular server had no IPMI/ILO facility so I couldn't tell it to turn on that way. Marcus -- Marcus Bointon Synchromedia Limited: Creators of http://www.smartmessages.net/ UK info@hand CRM solutions mar...@synchromed

Re: [Linux-HA] Ubuntu precise repo?

2012-12-10 Thread Marcus Bointon
On 10 Dec 2012, at 02:25, Andrew Beekhof wrote: > Its part of the distro, no need to add anything: > > http://clusterlabs.org/quickstart-ubuntu.html Excellent! Thanks, Marcus ___ Linux-HA mailing list Linux-HA@lists.linux-ha.org http://lists.linux-

[Linux-HA] Ubuntu precise repo?

2012-12-07 Thread Marcus Bointon
Is there an HA repo for Ubuntu Precise? https://launchpad.net/~ubuntu-ha-maintainers/+archive/ppa doesn't go that far. Marcus ___ Linux-HA mailing list Linux-HA@lists.linux-ha.org http://lists.linux-ha.org/mailman/listinfo/linux-ha See also: http://linu

Re: [Linux-HA] Leave Apache running on both active and passive nodes?

2012-08-21 Thread Marcus Bointon
I've had a couple of attempts at migrating to corosync, but so far I've had no success and a great deal of confusion, even though all I'm doing is managing a single IP. As Dmitri said, heartbeat has other strengths, especially when it comes to more complex clusters with multiple serv

Re: [Linux-HA] Leave Apache running on both active and passive nodes?

2012-08-21 Thread Marcus Bointon
mple but really isn't) - haproxy is incredibly easy in comparison. Marcus -- Marcus Bointon Synchromedia Limited: Creators of http://www.smartmessages.net/ UK info@hand CRM solutions mar...@synchromedia.co.uk | http://www.synchromedia.co.uk/ _

Re: [Linux-HA] Antw: Failover Failure

2012-08-05 Thread Marcus Bointon
Try using mosh instead of ssh; it generally survives ip changes and network outages nicely. Marcus Sent from my iPhone On 5 Aug 2012, at 19:44, Arnold Krille wrote: > Which isn't > a problem with small http-requests but your ssh-session will fail... ___

Re: [Linux-HA] Nodes not seeing each other

2012-07-09 Thread Marcus Bointon
maintainers ppa. Is corosync generally more robust than heartbeat? Would it be worth upgrading to it? Marcus -- Marcus Bointon Synchromedia Limited: Creators of http://www.smartmessages.net/ UK info@hand CRM solutions mar...@synchromedia.co.uk | http://www

Re: [Linux-HA] Antw: Re: mount.ocfs2 in D state

2012-07-03 Thread Marcus Bointon
On 3 Jul 2012, at 12:26, wrote: > Out of interest Lars, why do you recommend XFS? I'd second that. Percona has benchmarks for MySQL on XFS being in come cases twice as fast as ext3. Marcus -- Marcus Bointon Synchromedia Limited: Creators of http://www.smartmessages.net/ UK info@

Re: [Linux-HA] Nodes not seeing each other

2012-06-26 Thread Marcus Bointon
time because DNS lookups were failing: all points to a wider network issue. I wonder if Linode has micro-outages on their network since we've also been seeing some problems with mmm reporting 'network unreachable' on some other instances at the same time. Marcus -- Marcus B

[Linux-HA] Nodes not seeing each other

2012-06-26 Thread Marcus Bointon
I've just realised I have a classic split-brain with my CRM setup. I'm running pacemaker 1.1.6-2ubuntu0~ppa2 (installed from ubuntu-ha-maintainers-ppa-lucid) and heartbeat 1:3.0.5-3ubuntu0~ppa1 on Ubuntu Lucid. I have 3 IPAddr2, 3 SendArp, 3 MailTo resources set up on two servers (front ends run

Re: [Linux-HA] Heartbeat Failover Configuration Question

2012-04-22 Thread Marcus Bointon
artbeat will 'fail back' to a automatically if this property is on. You might want this if a is a faster/better server. Marcus -- Marcus Bointon Synchromedia Limited: Creators of http://www.smartmessages.net/ UK info@hand CRM solutions mar...@synchromedia.co.uk | h

Re: [Linux-HA] o2cb Pacemaker Stack glue driver not loaded

2012-03-01 Thread Marcus Bointon
up and running (and easily testable since it has its own IP), it just starts receiving traffic when it gets the floating IP. I happen to be running proxies and web servers on the same nodes, but you could split them up if you want - haproxy is extremely fast and uses almost no resources. Marcus

Re: [Linux-HA] o2cb Pacemaker Stack glue driver not loaded

2012-03-01 Thread Marcus Bointon
IP in front of haproxy/stunnel/apache with GlusterFS for a shared file system. Seems about as simple as I could make it - I don't see any point using pacemaker to manage haproxy/apache when it can all just happen behind the floating IP. Marcus -- Marcus Bointon Synchromedia Limited: Creat

Re: [Linux-HA] libpthread segfaults

2012-02-29 Thread Marcus Bointon
ais Current DC: www5 - partition with quorum Version: 1.1.6-9971ebba4494012a93c03b40a2c58ec0eb60f50c 2 Nodes configured, 2 expected votes 0 Resources configured. Node www4: pending Online: [ www5 ] Any the wiser? Marcus -- Marcus Bointon Synchromedia Limited: Creators of http://www.s

Re: [Linux-HA] libpthread segfaults

2012-02-29 Thread Marcus Bointon
o connect but reports no nodes. crm on www5 sees www4, but it's marked as 'pending'. pcmk on www4 logs that it can see www5. Marcus -- Marcus Bointon Synchromedia Limited: Creators of http://www.smartmessages.net/ UK info@hand CRM solutions mar...@synchromedia.co.uk | http:

Re: [Linux-HA] libpthread segfaults

2012-02-29 Thread Marcus Bointon
from "ver: 0" to "ver: 1" and start pacemakerd ("service > corosync start; service pacemaker start"). OK, I've done that, but I don't think that's my problem right now! pacemakerd is running on both nodes. Marcus -- Marcus Bointon Synchromedia

Re: [Linux-HA] libpthread segfaults

2012-02-29 Thread Marcus Bointon
On 29 Feb 2012, at 14:28, Marcus Bointon wrote: > Well since none of it's working, I have no problem throwing it all away and > starting again! My crashes have gone away, but I have other issues with the same server. The corosync service starts, and is found by the

Re: [Linux-HA] libpthread segfaults

2012-02-29 Thread Marcus Bointon
starting again! Thanks very much, Marcus -- Marcus Bointon Synchromedia Limited: Creators of http://www.smartmessages.net/ UK info@hand CRM solutions mar...@synchromedia.co.uk | http://www.synchromedia.co.uk/ ___ Linux-HA mailing list Linux-HA

[Linux-HA] libpthread segfaults

2012-02-29 Thread Marcus Bointon
x27;t know how these programs are started. Is this a known problem? Marcus -- Marcus Bointon Synchromedia Limited: Creators of http://www.smartmessages.net/ UK info@hand CRM solutions mar...@synchromedia.co.uk | http://www.synchromedia.co.uk/ ___

Re: [Linux-HA] MMM conflict with Pacemaker

2012-02-16 Thread Marcus Bointon
- it's great (though I hope you have automated tests for your restores as it went through a patch late last year when they were broken!). Marcus -- Marcus Bointon Synchromedia Limited: Creators of http://www.smartmessages.net/ UK info@hand CRM solutions mar...@synchromedia.co.uk | http://www.s

[Linux-HA] MMM conflict with Pacemaker

2012-02-16 Thread Marcus Bointon
problem I'm seeing with mmm. (and I'm not looking to switch to DRBD!) Marcus -- Marcus Bointon Synchromedia Limited: Creators of http://www.smartmessages.net/ UK info@hand CRM solutions mar...@synchromedia.co.uk | http://www.synchromedia.co.uk/ _

Re: [Linux-HA] Basic 2-node floating IP setup

2009-12-02 Thread Marcus Bointon
is, both floating IPs are up and it seems to be working! Thanks for your help, Marcus -- Marcus Bointon Synchromedia Limited: Creators of http://www.smartmessages.net/ UK resellers of i...@hand CRM solutions mar...@synchromedia.co.uk | http://www.synchromedia.co.uk/

[Linux-HA] Basic 2-node floating IP setup

2009-12-01 Thread Marcus Bointon
to allow the floating IPs to exist: net.ipv4.ip_nonlocal_bind=1 Does all that look right? Anything I've missed? Do the floating IPs need to appear in ha.cf as ucast lines (like my other setup)? Is my other setup wrong? Thanks, Marcus -- Marcus Bointon Synchromedia Limited: Creators