Re: [Linux-cluster] Fencing Device Question

2008-06-04 Thread Johannes Russek
My question is what (if anything) can RHCS/GFS do to determine the health/presence/operation of fencing devices? If it can do something to monitor the fencing devices, and discovers a bad fencing device, what will it do? For example, if I unplug the network cable for the heartbeat, the node

Re: [Linux-cluster] iptables rules for LVS-DR cluster

2008-04-05 Thread Johannes Russek
John Garrity schrieb: Question: how did you set the scheduler to "n"? i didn't. it's "rr", double-R for round-robin. I don't see a choice for "none" in Piranha and I tried manually editing /etc/sysconfig/ha/lvs.cf with no luck. Even when I commented out the scheduler field it seems to defau

Re: [Linux-cluster] iptables rules for LVS-DR cluster

2008-04-04 Thread Johannes Russek
we use this together with firewall mark rule in lvs-DR (piranha) and scheduler "rr" and persistent = 20: -A PREROUTING -d $VIP-i eth0 -p tcp -m tcp --dport 1:2 -j MARK --set-mark 0x14 -A PREROUTING -d $VIP -i eth0 -p tcp -m tcp --dport 20 -j MARK --set-mark 0x14 -A PREROUTING -d $VIP -

Re: [Linux-cluster] DLM Problem

2008-02-01 Thread Johannes Russek
[EMAIL PROTECTED] schrieb: I looked at it before but it looked like I'd have to spend some time learning it as I was not able to find some example commands for basic drive speed stats. Mike I can't test it right now, but i think it should just be bonnie -s 2000 the number being any size of

Re: [Linux-cluster] DLM Problem

2008-02-01 Thread Johannes Russek
[EMAIL PROTECTED] schrieb: Ah, wonderful day knee deep in fibre channel. Does anyone know how I can test NFS speeds in a similar fashion to hdparm -tT? All the testing I've ever done was with hdparm so that's my reference point. Mike Hi Mike, hdparm -tT is nice and easy but i'm afraid it

Re: [Linux-cluster] DLM Problem

2008-01-31 Thread Johannes Russek
i think that's the file he sent you ;) (starting with "# /etc/udev..") johannes -- Linux-cluster mailing list Linux-cluster@redhat.com https://www.redhat.com/mailman/listinfo/linux-cluster thinking about it, i think i should add to say that you need to edit that file for your needs (adjust th

Re: [Linux-cluster] DLM Problem

2008-01-31 Thread Johannes Russek
[EMAIL PROTECTED] schrieb: $ cat /etc/udev/rules.d/69-xraid.rules # /etc/udev/rules.d/69-xraid.rules -rw-r--r-- 1 root root 9798 May 6 2007 10-wacom.rules -rw-r--r-- 1 root root 3567 Aug 20 2006 50-udev.rules -rw-r--r-- 1 root root 507 Aug 20 2006 51-by-id.rules -rw-r--r-- 1 root

Re: [Linux-cluster] iSCSI GFS

2008-01-26 Thread Johannes Russek
Hi Mike, In fact, it got me wondering if my FC path might not be the greatest based on Gordan's (I think it was) input on the subject. I've also seen a few posts about iSCSI lately. Can anyone shed a little light on iSCSI and what I would need to give it a try. I've heard that http://www.op

Re: [Linux-cluster] Startup and Shutdown of a Virtual/Physical cluster

2008-01-24 Thread Johannes Russek
for a in `clustat -l | grep "^Service Name" | awk '{print $4}' `; do clusvcadm -d $a done ... however, it won't work if you put spaces in your service names ;) -- Lon clustat -l | sed -n 's/^Service Name.*: //g p' | xargs -n 1 clusvadm -d there you go, should work even with space :) i

Re: [Linux-cluster] Re: fence_xvmd doesn't starts under rhel5.1

2007-12-03 Thread Johannes Russek
Lon Hohberger schrieb: For now, just put fence_xvmd in /etc/rc.d/rc.local File a bug against cman and assign it to me. It fell off my radar. It looks like basically, we should - * start fence_xvmd if enabled in the config (don't do the xm list check) * fence_xvmd should wait (maybe for some