Suleiman:

        Any 3rd-party products involved? DYNAM, for example? And what is
the actual time it takes to mount a volume?

        Any changes made recently?


David Wakser

-----Original Message-----
From: The IBM z/VM Operating System [mailto:[email protected]] On
Behalf Of Suleiman Shahin
Sent: Sunday, May 10, 2009 2:54 PM
To: [email protected]
Subject: VTS issues

Hello gurus,

I am having severe performance degradation issues with a VTS running in
a 3494 B10 and I am not able to find resources to help determine the
cause. The hardware looks solid and the zVM software seems running
smooth. Virtual volume mounting time is excessive to say the least.

This is under zVM 5.3 and zVSE 4.1.

Any leads or clues will be greatly appreciated.

Suleiman








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