Failed to reconfigure virtual machine. invalid operation for device '1' when expand vm storage size

piaakit
piaakit used Ask the Experts™
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Dear All

           I have a esxi 6.5, and i'm trying to expand HD storage on one of the vm centos 7, but after I applied ok, it shows below error message, and I checked my vm host client, its up to date, any help would be appreciated
 

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keith
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Commented:
one of two things to try.

is there an ISO attached to the VM that is blank? remove the ISO.
Also see if there is a backup image of that server.  could be preventing the expansion, may have to delete it before you expand.
IT CONSULTANT
Distinguished Expert 2018
Commented:
good morning

You can also validate if there is a snapshot present at the disk level, validate the snapshot manager. If there is snapshot delete them.

If your backup tool is on a virtual server, you may have a trapped disk on that virtual machine. You would have to remove the disk in any case.

Validate that you do not have an iso connected to the Datastore where the VM is hosted.

Check if the DVD drive has an iso connected.

Regards...

Author

Commented:
yes I found there are snapshot there, after deleted the snapshot it works, and one more question, after increased additional 10G in centos, after I boot into the centos, I still see the HD size still remain old size, any idea how I can expand the size from centos ?



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Commented:
I am not versed in Linux/CentOS enough to give you the exact information, but a quick search online gave me the following link.  
https://www.miarec.com/doc/administration-guide/doc1012
RAFAIT CONSULTANT
Distinguished Expert 2018

Commented:
Good Morning

Excellent review of the snapshot.

If you increased the disk in the Centos VM, you must increase the disk volume at the operating system level.

I remain attentive to your comments.

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