CentOS 5 :: Can't Get Cluster To Work (aisexec Daemon Didn't Start)
Oct 14, 2009
I have problems setting up a (2 server) cluster. I get the following messages in syslog:
Oct 14 13:02:21 korzel ccsd[7823]: Starting ccsd 2.0.115:
Oct 14 13:02:21 korzel ccsd[7823]: Built: Sep 3 2009 23:26:21
Oct 14 13:02:21 korzel ccsd[7823]: Copyright (C) Red Hat, Inc. 2004 All rights reserved.
Oct 14 13:02:21 korzel ccsd[7823]: cluster.conf (cluster name = cl_vpanel, version = 1) found.
[code]....
Tried with the "basic" hosts file as well, eg with only the localhost lines in it. Both server run centos 5.3, up-to-date.There is no real error anywhere which might explain WHY aisexec daemon won't start. When i start openais manually (/etc/init.d/openais start) it starts without any errors.
I'm having a very strange problem with red hat cluster. After testing it in the lab, I tried to install a new cluster and received the following error: cman not started: Cannot start, cluster name is too long or other CCS error /usr/sbin/cman_tool: aisexec daemon didn't start I've checked the internet for that error, but nothing. I decided to to take the example from cluster.conf man, which looks like that :
[Code]...
And still I get the same error. I can find my servers both from DNS (FQDN and short name) and they also appear in /etc/hosts.
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After upgrading Centos 5.4 cluster nodes to 5.5 all virtual services failed to start. All virtual services are marked as 'failed'. The reason: new /usr/share/cluster/vm.sh requires 'which', but this is not reflected in rgmanager-2.0.52-6.el5.centos.
Solution: run 'yum -y install which' on all nodes, and reboot cluster. Hope that will save somebody hours of downtime.
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When i run "service mysqld start" it fails with the error: "MySQL Daemon failed to start."
I ran: "tail -n 30 /var/log/mysqld.log" and this is the output;
[root@dragon575 mysql]# tail -n 30 /var/log/mysqld.log 110726 16:03:10 InnoDB: Completed initialization of buffer pool 110726 16:03:10 InnoDB: highest supported file format is Barracuda. 110726 16:03:10 InnoDB: 1.1.8 started; log sequence number 1588761 110726 16:03:10 [ERROR] Aborting
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I was able to do on Debian and Ubuntu Servers X applications running on remote servers where I was able to login via SSH. Tried the same with CentOS did not worked. in /etc/ssh/sshd_config
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110602 18:28:09 mysqld started InnoDB: The log sequence number in ibdata files does not match InnoDB: the log sequence number in the ib_logfiles! 110602 18:28:14 InnoDB: Database was not shut down normally! InnoDB: Starting crash recovery.
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well sorry I'm new in this but I just made my cluster with about 4 good machines each with 2 or more gbs of memory and dual-core processor but the question is i can install an operating system in nodes as having the frontend or not different if possible, and how i can do it because i don't now how and i don't find material and tutorials that can help me..
I've been running CentOS on my laptop for a few weeks now. I don't know what happened today, but when I boot up, the NetworkManager wont show up on the panel, and I don't have access to wireless networks or Internet. I tried booting my Windows partition and the wireless works fine. I can't seem to remember any latest change I've made aside from the wallpaper =) Any ideas where I should start debugging? I could see the module "iwl3945" still loaded. Here's a manual type of my lsmod | grep iwl3945
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The following works, but it's run as the root user in this case
Code: svnserve -d -r /var/www/svn --pid-file /var/run/svnserve.pid Trying to run as apache user doesn't work Code: su apache -c "svnserve -d -r /var/www/svn --pid-file /var/run/svnserve.pid"
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