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How resize ESXI virtual disk?  It's grayed out

Posted on 2011-09-13
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Last Modified: 2012-05-12
Hi,
ESXI host running 4.1.  Have a virtual machine that I need to resize the hard disk on.  I've done this in the past, and it involved just increasing the disk size, then booting up the OS, and 'expanding' the volume via windows.  

Server is running windows 2008 R2, so i know it's do-able, but for some reason it shows the disk grayed out, so i can't make any changes.

I have deleted all snapshots - in fact, this is a brand new virtual machine i created from scratch.

Any ideas?


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Question by:Mystical_Ice
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LVL 40

Expert Comment

by:coolsport00
ID: 36530199
That is because your disk is IDE; see this KB to convert to SCSI:
http://kb.vmware.com/kb/1016192
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coolsport00 earned 2000 total points
ID: 36530219
And, once you convert it, just go into the VM settings and resize it, then log into Windows & go into Disk Mgmt and 'expand' the volume (rt-click on the disk to do so).

Hope that helps.

Regards,
~coolsport00

p.s. Another option would be to use vCenter Converter Standalone (free tool) to 'convert' (V2V) the VM and resize the disk during the convert wizard.
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Expert Comment

by:coolsport00
ID: 36530235
Converter User Guide:
http://www.vmware.com/pdf/convsa_43_guide.pdf

Convert Best Practices/Troubleshooting:
http://kb.vmware.com/kb/1004588
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LVL 123
ID: 36530348
IDE Re-Size Not Supported.

Use VMware Converter Standalone to complete a V2V (virtual to virtual conversion).
there is an option to increase or decrease the size of target disks on the desintation at conversion.

Download VMware vCenter Converter here
http://downloads.vmware.com/d/info/datacenter_downloads/vmware_vcenter_converter_standalone/4_0

VMware vCenter Converter Standalone 4.x Documentation
http://www.vmware.com/support/pubs/converter_pubs.html

VMware vCenter Converter Standalone 4.3 User Guide
http://www.vmware.com/pdf/convsa_43_guide.pdf

For the conversion steps, read fellow Expert Bestway's article.
http://www.experts-exchange.com/Software/VMWare/A_3639-VMware-vConverter-P2V-for-Windows-Servers.html

Best Practice Video Guide here
http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1004588

Also the VMware KB here

http://kb.vmware.com/kb/1004071
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Author Closing Comment

by:Mystical_Ice
ID: 36568986
Thanks!
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