Why VMS are inaccessible after change of data store?

Hello

I have two ESX 3.5 running servers that share two disks of SAN. I moved files VM of all virtual machines of a SAN disk to another disk of SAN using vCenter server. After you move these files, I am unable to work with virtual machines (unable to start virtual machines). I rebooted an ESX Server after you move the files from the virtual computer. In vCenter server, I can see that virtual machines are inaccessible. I have attached the screenshot of the vCenter client application.

For the other ESX Server (which I have not re started after moving the VM files) VM is available, but if I try to start this virtual machine, I get an error saying

*' A general error occurred: the system returned an error. " Communication with the computer may have been interrupted. » *

I am also attaching the screenshot of this error.

When I installed ESX Server for the first time, I had created virtual machines on ESX Server's hard drive only. After that, I moved files VM to ESX from disc to disc shared in SAN.

Anyone know what's the problem?

Inaccessible VM may be due to different reasons. So, it depends on how you migrated virtual machine between the data store. If vmx and vmdk files are not accessible from storage, then you see this error message. Otherwise, check that all the files on a virtual computer has been moved to the single data store and there is no file delta left behind. This happens if the migration is not complete.

If you see a delta file, then clone a new vmdk with "vmkfstools-i" and fix it with VM and try again to power.

Anuj Modi,

If you have found my reply to be useful, feel free to mark it as useful or Correct.

The latest articles and articles about Virtualization:

http://communities.VMware.com/blogs/amodi

http://vsolutions.compare2shop.com

Tags: VMware

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