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VMware datastore expansion

Posted on 2014-03-28
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Last Modified: 2014-03-28
Hello,

I would like to extend size of a datastore on an ESXi 4.0 machine. There are two LUNs configured and two datastores using them. Datastore 1 is running out of space and I would like to add free space from datastore 2. However when I go to Datastore 1 --> Proprties --> Increase then the "Increase Datastore Capacity" window is completely blank. The question is - why?
Is that because I need an empty LUN to use for the expansion or is it bacause the ESX is running from the same LUN as the Datastore 1?

Kind Regards

-kiilaa
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Question by:kiilaa
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by:Andrew Hancock (VMware vExpert / EE MVE)
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Because ESX is running from the same LUN as the Datastore 1 possibly.

Have you installed ESXi on the same LUN as datastore1 ?
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by:kiilaa
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I haven't configured that server but I'm being told that ESXi was installed on the locally attached storage.
Please see the screenshot.
datastore propertiesDoes the existence of a Primary Extended partition indicate the ESX is installed on that LUN?
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Andrew Hancock (VMware vExpert / EE MVE) earned 300 total points
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Yes Store1 datastore does exist on the same LUN (disk) as ESXi, and this is the reason why you cannot grow store1 from the menu.
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by:kiilaa
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Thanks for the confirmation.

All the best
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