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Cause of shadowset disk volume merge?

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The Question is:

We have a 3 node Cluster running on Alpha 8400's
can you tell me exactly what causes the Disk's to Merge on startup
we use shadowsets with RZ28's,29's,40's
thank you

The Answer is :

  The usual cause of a shadowset merge on reboot -- and this is by
  no means a certainty -- is a failure to close all files on volume
  dismount.  There can be various causes of this, of course.
  The OpenVMS Wizard would strongly encourage am upgrade to OpenVMS
  Alpha V7.1-2 or later, and would also encourage applying available
  mandatory ECO kits.  (There was a fix made to shutdown that may be
  applicable here, but the OpenVMS Wizard cannot be certain.)

answer written or last revised on ( 6-FEB-2001 )

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