9iAS Release 2 and 9iFS V9.02 - emctl problem

Hello All,
I have a problem with 9iAS & 9iFS.
The systems setup is as follows.
Server 1 - SuSE Linux - 9iDB for ifs content.
Server 2 - 9iAS Infrastructure (OID, portal content)
Server 3 - 9iAS Middle tier. (portal 9iFS server)
The portal and emctl were working well. After installation of 9iFS on server 3, emctl is very slow to start. the emctl website is very slow to load, and once logged in the site is virtually non-responsive.
In the em.log and emd.log I get multiple references to 'Root cause: Unknown Oracle Home, "/usr/oracle/isuites/" '
Unable to start portal
Anybody know what the problem may be.
Regards to all
Steve

Sounds like some initialization might have failed. Do you have any "DCM initialization failed" messages in the log files?

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