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Growing a VMWare virtual machine disk

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3 replies

by zaferus

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We're running VMWare ESX, and I need to "grow" one of our Server VM's by a few GB.

How can I grow the image size?

3 replies

by lowlands

You can use vmkfstools for this.

syntax is:
vmkfstools -X K/M/G vmhba0:0:0:0/mydisk.dsk

so for example:
vmkfstools -X 10G vmhba1:0:0:1/vm1.vmdk

will make the disk file 10 GB.

Be carefull though not to shrink your file by accident!

by zaferus

It actually was:
vmkfstools -X 6G /vmfs/vmhba0:0:0:x/x.vmfs

But the important thing is I got it to work, thanks for steering me in the right direction!

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