Find the target on a host for Grid Control

One database disappeared from Grid Control. I executed "agentca -d" on the target server to re-run the agent configuration assistant and look for new targets. It did bring the database back to Grid Control.

/u01/app/oracle/product/agent10g/bin ORA$ ./emctl status agent
Oracle Enterprise Manager 10g Release 10.2.0.1.0.
Copyright (c) 1996, 2005 Oracle Corporation. All rights reserved.
---------------------------------------------------------------
Agent Version : 10.2.0.1.0
OMS Version : 10.2.0.1.0
Protocol Version : 10.2.0.0.0
Agent Home : /u01/app/oracle/product/agent10g
Agent binaries : /u01/app/oracle/product/agent10g
Agent Process ID : 585838
Parent Process ID : 569446
Agent URL : http://dssqa:3872/emd/main/
Repository URL : http://dssgrid:4889/em/upload/
Started at : 2008-08-15 19:44:26
Started by user : oracle
Last Reload : 2008-08-16 01:26:09
Last successful upload : 2008-08-16 13:42:01
Total Megabytes of XML files uploaded so far : 94.10
Number of XML files pending upload : 0
Size of XML files pending upload(MB) : 0.00
Available disk space on upload filesystem : 25.83%
Last successful heartbeat to OMS : 2008-08-16 13:41:51
---------------------------------------------------------------
Agent is Running and Ready

/u01/app/oracle/product/agent10g/bin ORA$ ./agentca -d
Stopping the agent using /u01/app/oracle/product/agent10g/bin/emctl stop agent
Oracle Enterprise Manager 10g Release 10.2.0.1.0.Copyright (c) 1996, 2005 Oracle Corporation. All rights reserved.
Stopping agent ... stopped.
Running agentca using /u01/app/oracle/product/agent10g/oui/bin/runConfig.sh ORACLE_HOME=/u01/app/oracle/product/agent10g
ACTION=Configure MODE=Perform
RESPONSE_FILE=/u01/app/oracle/product/agent10g/response_file
RERUN=TRUE
INV_PTR_LOC=/etc/oraInst.loc

Perform - mode is starting for action: Configure
Perform - mode finished for action: Configure

You can see the log file: /u01/app/oracle/product/agent10g/cfgtoollogs/oui/confi gActions2008-08-16_01-43-06-PM.log

/u01/app/oracle/product/agent10g/bin ORA$ ls -al agentca
-rwxr-xr-x 1 oracle oinstall 657 Oct 19 2007 agentca