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Attaching additional datastore to an existing VM in VMWare

Posted on 2014-04-10
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Last Modified: 2014-04-12
Datastore in VMWare
Hi,
  I have VMWare box where there is a VM running SBS2011 using Datastore1.
  I needed more space for my SBS2011, so I purchase 2TB HD and created new datastore2 (1.1Tb) & datastore3 (900GB). I like to attach 1.1TB of space in Datastore2 into SBS2011 as E drive or something like that.
  Can you show me the steps?

Thanks.
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Question by:sglee
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by:Steve M
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if you've already created the datastores on the new storage, then:

edit settings on your SBS VM.
add hard drive
choose datastore 2
new disk, size, thin or thick provision, your choice
save.
boot VM
disk manager
initialize disk.
partition, format, drive letter, etc as usual.

This is just from memory, (actual steps may vary slightly, but it's going to be close), I'll try to find some real solid steps for you, but in the meantime, this should get you what you need.

/Steve
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by:sglee
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Thanks Steve.
That sounds good enough for me to follow. The VM is doing Windows backup right now, so let me wait util the backup job is done because this requires "reboot".
I will post the result.
Between Thin and Thick, what is the difference?
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Steve M earned 300 total points
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OK - in vsphere 5.5.... (webclient) - ifyou have another version the steps will be a bit different. but close.

-edit settings on your SBS VM.
-new device, select new hard disk, click add
- choose the size, expand the hard disk details...
- at location choose browse, and select datastore 2
- choose thick, thin, whatever
- anything else is up to you.
- Click OK, wait until the progress completes.
- boot VM
- disk manager
- initialize disk.
- partition, format, drive letter, etc as usual.

Hope that helps.
/Steve
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by:sglee
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After selecting datastore2, I had to give the size.
I entered 1500 GB (it is 2TB HD) for now but can I change this size later on ?
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by:Steve M
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by:Steve M
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I shouldn't say yup, but "Only extents with free space immediately after them are expandable".  In your case it should be ok to say yup though  ;-)
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