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Bilka21

2 Posts

883

November 20th, 2009 12:00

Upgrade from Powerpath 4.5 to 5.1.1 on Windows 2003 host issues

We upgraded our Exchange cluster environment from Powerpath version 4.5 to version 5.1.1.  After the upgrade we are have experienced several issues.  We could run a 'syminq' command in 2 - 3 seconds prior to upgrade - after upgrade the same 'syminq' command takes 6 minutes.  A grab would run 10 minutes prior to upgrade, after the upgrade the syminq command will take 1 hour and 40 minutes.  Does anybody have any idea why this may be happeninbvg

Bilka21

2 Posts

November 20th, 2009 13:00

Have you ever heard of issues like we are experiencing.  I can take powerpath 5.1.1  off the exchange client and install ver 4.5.1 back on the client and the syminq and grab results go back to normal.  This is really strange - I guess we can look at going to 5.3.

dynamox

1 Rookie

 • 

20.4K Posts

November 20th, 2009 13:00

We actually had some stability issues with Exchange 2007 and PP 4.5 ..so we upgraded to 5.3 a few months ago. So far so good.

dynamox

1 Rookie

 • 

20.4K Posts

November 20th, 2009 14:00

Have not seen anything like that on Windows boxes. There was some kind of memory leak in PP 4.5.x  ..dont remember the exact version so we ended up going to 5.3

SamCl

54 Posts

July 27th, 2010 01:00

The upgrade of PowerPath 4.5 to 5.1 has been known to leave components of 4.5 still on the system.

I would propose either upgrading to 5.3 sp1 or doing an uninstall of PowerPath 4.5, reboot, install of PowerPath 5.1 if 5.1 is a requirement.

Note memory leaks were discovered in Microsoft MPIO 1.21 and 1.22. These were shipped with PowerPath 5.2 and 5.2 SP1. These versions should be avoided. See EMC knowledgebase article emc207833 for more information.

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