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Conference vaxaxp::vmsnotes

Title:VAX and Alpha VMS
Notice:This is a new VMSnotes, please read note 2.1
Moderator:VAXAXP::BERNARDO
Created:Wed Jan 22 1997
Last Modified:Fri Jun 06 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:703
Total number of notes:3722

620.0. "Adding uninit'ed volume to a shadow set" by CSC32::J_STOKES (SummaNulla(The High Point of Nothing)) Tue May 20 1997 14:28

A customer running OpenVMS AXP V6.2 with tha ALPSHAD05_062 patch kit applied 
attempted to add a third member to an existing two member shadow set (Phase II).
The third member is an un-initialized volume. The process appears to have hung
but is indeed getting some CPU and Direct I/O. There is an article in STARS 
discussing this issue, apparently, the home-block search algorithm has been
modified with V6.2 and causes the addition of a shadow member (un-initialized)
to take a tremendously long time. Has this been resolved with an ECO more recent
than ALPSHAD05_062? My research does not indicate it having been fixed.

Jon Stokes
T.RTitleUserPersonal
Name
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620.1AUSS::GARSONDECcharity Program OfficeWed May 21 1997 01:593
    re .0
    
    Why not just initialize the volume before adding it?