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Add storage (DAS) to existing VMWARE server

damien1234
damien1234 asked
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Last Modified: 2012-05-07
I currently have an HP DL380G5 with a P400 controller.  I just purchased an HP MSA60 DAS box.  The plan is to replace the controller with a P800.  HP said this should not affect VMWARE (3.5) in any way.  But now I will need to add the storage to VMWARE.  After configuring RAID and booting vmware I assume the new storage will just show up?  Then I will create a new datastore and voila, that's it?
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Commented:
Unless HP has a VMware specific install, you are going to have to create a new datastore from the newly attached storage formatted with VMFS filessystem.  

ESX?

Commented:
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Do you have a local datastore configured as VMFS at present ?

How have you partitioned VMware ESX 3.5 Host ?

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Commented:
Yes, this is a production server.  There is a single internal array of 8 disks in a RAID 6 configuration.  ESX was installed with all the default partitioning schemes.

Author

Commented:
Well, today was the day.  I simply installed the P800 as a second controller.  Upon booting I configured the new array the way I wanted.  VMWare recognized the new controller without a hitch.   I created a new datastore and formatted with VMFS.  Simple, simple, simple.  My biggest concern going in was losing the primary array.  I decided not to try to be a hero and move the primary array onto the new controller and remove the old.  Now I can enjoy the weekend!

Commented:
gave him the step-by-step from VMware on how to do this

Can't imagine how "solved it myself" applies after being shown the manual procedure for this


Author

Commented:
The question was more about how VMware would react to switching controllers.  It seemed a bit to simple to me and I was concerned if I had a solid plan and really just wanted confirmation from others.  Without question the referenced pages were dead on although I didn't need them since I already knew how to do these things.  I will concede dnilson has a valid point since my actual questions referenced the storage showing up and and the adding of the datastore.  I also thought there would be a possiblity of the objection.  I might have gotten the answer I was looking for if the question I wanted answered was more clear... such is the nature of being technical.
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