CAAD forks defuncts under heavy load

From: Juergen Wolf (wolf_at_idmt.fhg.de)
Date: 05/25/04

  • Next message: LAWRIE SMITH: "SUMMARY: Problem with sys_check V 134"
    Date: Tue, 25 May 2004 15:30:11 +0200
    To: tru64-unix-managers@ornl.gov
    
    

    Hi all,

     currently we are experiencing problems with the caa daemon process on our
    Tru64 5.1b Rev 2650 PK3 cluster. When one node is coming under heavy load
    during nightly incremental backup runs of some file systems (around 7TB
    used space); the caa daemon process on this node starts to produce lots of
    <defunct> processes. At the same time the EVM sends out a warning mail
    ("EVM ALERT [600]: EVM daemon: High event activity - exceeds 500 in 10
    minutes"). After doing "/sbin/init.d/clu_caa stop" a new caa daemon starts
    and all the <defunct> processes are gone.

    Does anybody know how to prevent the caa from forking so many processes or
    even better from not defuncting them ?

    Regards,

     Juergen

    -- 
    email: wolf@idmt.fhg.de
    gilb:  Fraunhofer-Institut fuer Digitale Medientechnologie IDMT
           98693 Ilmenau, Helmholtzring 1
    Tel.:  +49 3677 69-4882				Fax:   +49 3677 69-4399
    

  • Next message: LAWRIE SMITH: "SUMMARY: Problem with sys_check V 134"