Archive for April, 2010

Path failures on ESX4 with HP storage

8, Apr 2010

Since we began upgrading our clusters to ESX4, we have been having strange “failed physical path” messages in our vmkernel logs.  I don’t normally post unless I know the solution to a problem, but in this case, I’ll make an exception.  Our deployment has been delayed and plauged by the storage issues that I mentioned [...]

vNetwork Distributed Switch challenges

8, Apr 2010

Among the new technologies introduced with ESX4, I’m particuarly inpressed with the vNetwork Distributed Switch.  We have chosen to slowly introduce the dvSwitches into our environment and transition VM’s over to these switches.  The distributed switch allows us some new capabilities such as centralized management, individual port assignments, retained state after vMotions, port statistics and [...]

Best practices for VMware ESX4 with HP EVA storage

7, Apr 2010

(For PowerCLI commands to accomplish the same best practices, see this post). HP provided us with the best practices document for ESX4 connected to an HP EVA array.  There is a major change in ESX4.  For the first time, ESX is ALUA (Asymmetric Logical Unit Access) aware.  (See this post on Yellow Bricks for more [...]

Neglect…

7, Apr 2010

Well, its a new quarter and I feel a big obligation to post something to the blog.  I cannot believe it has been three months since my last post.  I have several irons in the fire, but on the work front, I am glad to report that the vSphere upgrade has been completed and we [...]


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