[Linux-cluster] help
AKIN ÿffffffffffd6ZTOPUZ
akinoztopuz at yahoo.com
Wed May 30 08:21:21 UTC 2012
Hello Emmanuel
nodes network is below:
-two nodes interconnect via cross cable
-1 interface for iscsi (logical volumes)
-1 interface for public network
ı checked again physicall cables and not seen any problem
________________________________
From: emmanuel segura <emi2fast at gmail.com>
To: AKIN ÿffffffffffd6ZTOPUZ <akinoztopuz at yahoo.com>; linux clustering <linux-cluster at redhat.com>
Sent: Wednesday, May 30, 2012 11:00 AM
Subject: Re: [Linux-cluster] help
Hello AKIN
Are you sure it's not a connection problem?
2012/5/30 AKIN ÿffffffffffd6ZTOPUZ <akinoztopuz at yahoo.com>
Hello Digimer
>
>I am using qdisk with <quorumd interval="4" label="quorum" min_score="1" tko="15" votes="1" master_wins="1"/>
>not heursitic.qdisk is suggested for avoidin split brain
>
>in this configuration my problem is : node1 is master and continuosly node2 killed by node1
>its connection is over iscsi.
>ı thınk it is timing problem
>doyou have any idea?
>
>
>var/log/messages like that:
>
>sapclsn2 clurgmgrd[8761]: <notice> Service service:sap is stopped
>openais[6755]: [CMAN ] cman killed by node 1 because we were killed by cman_tool or other application
>
>openais[6755]: [SERV ] AIS Executive exiting (reason: CMAN kill requested, exiting).
>fenced[6788]: cluster is down, exiting
>
>
>
> From: Digimer <lists at alteeve.ca>
>To: AKIN ÿffffffffffd6ZTOPUZ <akinoztopuz at yahoo.com>; linux clustering <linux-cluster at redhat.com>
>Sent: Tuesday, May 29, 2012 10:46 PM
>Subject: Re: [Linux-cluster] help
>
>On 05/29/2012 02:54 AM, AKIN ÿffffffffffd6ZTOPUZ wrote:
>> Hello
>>
>> I need configuration steps about 2 nodes rhel(5) cluster with quorum disk .
>>
>> my config like that :
>>
>> each node has 1 vote
>> quorum disk has 1 vote
>> cman expected vote is 3
>> quorum will be protected in 2 votes so when one node is down cluster
>> will be up
>>
>> whats other things should I care about it in cluster config?
>>
>> thanks in advance
>
>First off, I *strongly* recommend using RHEL6, not 5. There have been
>many improvements, plus, EL6 will be supported longer.
>
>What are you trying to do with your cluster? I suspect that a quorum
>disk is not necessary, though if you have a SAN anyway, I wouldn't argue
>against using it. Unless you need the heuristics though, it's probably
>not needed. You
can safely build a 2-node cluster, you just need to make
>sure your fence devices work (which is needed, regardless).
>
>I have a tutorial that shows how to implement a cluster using cman,
>clvmd and other components. It also discusses the cluster components
>from a high-level, which may help.
>
>https://alteeve.com/w/2-Node_Red_Hat_KVM_Cluster_Tutorial
>
>--
>Digimer
>Papers and Projects: https://alteeve.com
>
>
>
>--
>Linux-cluster mailing list
>Linux-cluster at redhat.com
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>
--
esta es mi vida e me la vivo hasta que dios quiera
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