topic Re: Cmquerycl problem in Operating System - Linux

Cmquerycl problem

ANDREA_6 — Tue, 14 Oct 2008 16:49:21 GMT

Hello,
i have a redhat 5 with service guard A 11.18.
I configured correctly /etc/hosts and rlogin works fine between the two cluster nodes.

I anyway experience this problem executing cmquerycl.

I tryed to change /root/.rhosts and cmclnodelist.. but without results.
Do you have any suggestion?

Any help will be appreciated.
Best regards,Andrea.

[root@dtb01 ~]# /usr/local/cmcluster/bin/cmquerycl -C /usr/local/cmcluster/conf/cmcluster.config -n dtb01 -n dtb02
Warning: Unable to determine local domain name for dtb01
Node dtb01 is refusing Serviceguard communication.
Please make sure that the proper security access is configured on node
dtb01 through either file-based access (pre-A.11.16 version) or role-based
access (version A.11.16 or higher) and/or that the host name lookup
on node dtb01 resolves the IP address correctly.
Failed to gather configuration information.

[root@dtb01 ~]# cat /root/.rhosts
+ +

root@dtb01 conf]# pwd
/usr/local/cmcluster/conf
[root@dtb01 conf]# cat cmclnodelist
+ +

Re: Cmquerycl problem

Ivan Krastev — Tue, 14 Oct 2008 19:37:10 GMT

Make sure that both nodes can resolv each other without problems - add entries in /etc/hosts files.
Also write in you cmclnodelist the following:

node1 root
node2 root

see syntax here - http://docs.hp.com/en/B5158-90024/ch05s01.html

regards,
ivan

Re: Cmquerycl problem

ANDREA_6 — Wed, 15 Oct 2008 06:05:08 GMT

Hello,
Thanks for your answer.

Both nodes can resolv each other without problems if i ping them.. nslookup don't works.. is it normal on linux if i don't use a dns?

Re: Cmquerycl problem

Matti_Kurkela — Wed, 15 Oct 2008 06:55:02 GMT

Yes, RedHat's default nslookup only queries DNS servers, no matter how /etc/nsswitch.conf is configured. So it is normal.

MK

Re: Cmquerycl problem

ANDREA_6 — Wed, 15 Oct 2008 08:33:04 GMT

Hello,
i checked my cmclnodelist, my rhosts, /etc/hosts,/etc/hosts.equiv but i continue to get the previous error running cmquerycl.
Any idea?

Re: Cmquerycl problem

Serviceguard for Linux — Wed, 15 Oct 2008 13:09:17 GMT

Typically, this is one of a number of problems.

1. Usually this means that the firewall is set up incorrectly. Try turning off the firewall

2. Also, identd may not have started. "identd" is the service associated with pidentd (see #2). Make sure this is set to start automatically.

3. Also, xinetd may not be started, or set to start automatically. "/sbin/chkconfig --level 345 xinetd on" will make sure it is on after reboot. And "/etc/init.d/xinetd restart" will start it immediately.

4. Check that the file cmclnodelist has been created and is set up correctly.

After you make all of the changes, reboot both nodes.

Re: Cmquerycl problem

ANDREA_6 — Thu, 16 Oct 2008 11:55:52 GMT

Thanks,
I executed this checks.
Xinetd and identd are configured to to start automatically and firewall is disabled.

I did many test with cmclnodelist but without results.

Is there something else to check?

[root@dtb01 init.d]# chkconfig --list xinetd
xinetd 0:off 1:off 2:off 3:on 4:on 5:on 6:off
[root@dtb01 init.d]# chkconfig --list identd
identd 0:off 1:off 2:off 3:off 4:off 5:on 6:off
[root@dtb01 init.d]# iptables -L
Chain INPUT (policy ACCEPT)
target prot opt source destination

Chain FORWARD (policy ACCEPT)
target prot opt source destination

Chain OUTPUT (policy ACCEPT)
target prot opt source destination

Best regards,Andrea.

Re: Cmquerycl problem

Ivan Krastev — Thu, 16 Oct 2008 12:57:56 GMT

What is your runlevel? identd is configured only for runlevel 5.

regards,
ivan

Re: Cmquerycl problem

ANDREA_6 — Thu, 16 Oct 2008 13:19:25 GMT

Hello,
My runlevel is 5:

[root@dtb01 conf]# runlevel
N 5

Best regards,Andrea.

Re: Cmquerycl problem

Ivan Krastev — Thu, 16 Oct 2008 20:31:42 GMT

Try to increase debug levels of SG or run some checks - network restrictions (firewalls), permissions ...

regards,
ivan

Re: Cmquerycl problem

Serviceguard for Linux — Thu, 16 Oct 2008 21:46:35 GMT

Try the following on ntb01:

# /usr/local/cmcluster/bin/cmquerycl -v -w full -C /usr/local/cmcluster/conf/cmcluster.config -n dtb01 -n dtb02

# /usr/local/cmcluster/bin/cmquerycl -v -w full -C /usr/local/cmcluster/conf/cmcluster.config -n dtb01

Then try on ntb02:

# /usr/local/cmcluster/bin/cmquerycl -v -w full -C /usr/local/cmcluster/conf/cmcluster.config -n dtb01 -n dtb02

# /usr/local/cmcluster/bin/cmquerycl -v -w full -C /usr/local/cmcluster/conf/cmcluster.config -n dtb02

Look in syslog and see of there are any messages around the time of the cmquerycl command.

Finally, are you aware of the installation scripts? http://h20392.www2.hp.com/portal/swdepot/displayProductInfo.do?productNumber=SGLXICS

Also - send a copy of the /etc/hosts file and /etc/nsswitch.conf