I got the same SQL4401C error.

The problem seems due to the System which is unable to write to the
db2diag.log because it tries to write it in the WRONG path!

In my db2das user, I have a symlink to another 'das' directory, outside
the home fs. Well, since I changed that link, I'm not able to start the
DAS any more because the old path is hardcoded somewhere.

Let me try to explain:
in HOME I have those two links:

/home/db2admin/sqllib -> /db2/sqllib
/home/db2das/das -> /db2/das

(of course, the db2admin user is the instance owner, the db2das user is
the das user)


Instead, in the system log, i always find the error:
Open of log file "/data/sqllib/db2dump/db2diag.log" failed with rc
0x870F0011
because it still looks for the sqllib path into /data fs instead than
/db2 fs, the right one.

Everything else works fine, but I have such problem with starting DAS..


WHERE COULD I CHANGE SUCH HARDCODED VARIABLE VALUE. I already verified
ANY (I guess) $INSTHOME or env var in any DB2 config file, but this one
still lasts...

Thank you very much for any help.
Bye

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