ITEM: AW3623L

Starting up HACMP v2.1-deamon: clsmuxpd does not start

Question:

Env: AIX 3.2.5.1; HACMP 2.1 +U437482; 2 node concurrent access cluster
with Oracle Parallel Server (OPS).

Desc:  The customer performed an upgrade from AIX 3.2.5.0 to AIX
3.2.5.1 on both cluster nodes this weekend.  After the upgrade, when
the customer starts up HACMP, clsmuxpd starts but then dies
immediately after starting.

Act:  I had the customer check the following for this problem:

 1. Make sure that the correct HACMP entries exist in the following
    AIX network configuration files:
       /etc/services
          clinfo_deadman        6176/tcp
          clm_keepalive         6000/udp
          cllockd               6100/udp
          clm_pts               6200/tcp
          clsmuxpd              6270/tcp
          clm_lkm               6150/tcp
          clm_smux              6175/tcp
          godm                  6177/tcp

       /etc/snmpd.conf
          smux    1.3.6.1.4.1.2.3.1.2.1.5    clsmuxpd_password

       /etc/snmpd.peers
          clsmuxpd     1.3.6.1.4.1.2.3.1.2.1.5  "clsmuxpd_password"

       /etc/hosts
          127.0.0.1             loopback localhost

 2. Make sure that the loopback interface is up and functional:
    ifconfig lo0
    lo0: flags=b\
         inet 127.0.0.1 netmask 0xff000000 broadcast 127.255.255.255

 3. Verify that loopback and localhost resolve to 127.0.0.1:
    host loopback
    host localhost

 4. If any of the above get modified or added do the following:
    stopsrc -s clsmuxpd
    stopsrc -s snmpd
    startsrc -s snmpd
    startsrc -s clsmuxpd

The customer's problem was that he didn't have a copy of the
/etc/hosts file on his secondary node.

I had him ftp the /etc/hosts file from node 1 to node 2 and then
perform step 4 and clsmuxpd started up just fine this time.

Note that in HACMP 3.1.x and HACMP 4.1.x, you should also check
the nodename of the HACMPcluster odm database with the following
odmget command:

  odmget HACMPcluster

    HACMPcluster:
            id = 1
            name = "texas"
            nodename = "dallas"

The nodename should reflect the actual name of the node as 
perscribed by the output of the /usr/sbin/cluster/utilities/cllsif 
HACMP command.



Support Line: Starting up HACMP v2.1-deamon: clsmuxpd does not start ITEM: AW3623L

Dated: March 1996 Category: N/A

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