Tuning Clients: ClearCase knobs

• Monitor capacity, rates first

• MVFS cache sizes

  • automatic largeinit on 24+ MB clients (for 3.1.1 UNIX, get patch p3.1.1-15 or succesor)
  • cleartool setcache -mvfs (temporary until next restart/reboot)
  • NT: control panel “MVFS performance” tab
  • UNIX: /etc/system (Solaris), /usr/atria/hp10_pa/usr/conf/mvfs (HP-UX)

• View cache sizes

  • cleartool setcache -view (permanent)
  • per-view: -view -cache <XXX>
  • per-host (v3.0.2+): -view -host -cache <XXX>
  • per-site: -view -site -cache <XXX>

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