Would like clarification on return to original image of snapshots

I think I found my answer in another post but want to confirm, we run VMware ESX 4.x in our dev environment and I have tried using snapshots as a Setup program is being tested - so we can return to a clean server, because scripts are modified and tested.

It's been my entry to the former post I replied to my question.

Legacy post of 2007: http://communities.vmware.com/thread/106743?tstart=0

"I realize that this is an old NET and will create a link to it - but just in case where any follow-up on this issue.

After having problems with "outdated" instant in the past, I stopped using them, but I started using them again for an ongoing project, and some encouragement from another group.

This thread was very useful to diagnose the problem we take - I used 'Delete' tried to return to the original image and our developer said he had files from earlier in the day and the event log was entered prior to the current installation process.

If this post is correct, then 'Remove' merges all the data in the previous snapshot or V-disc - would appreciate a clear explanation on how it works and what is needed to delete all snapshots, leaving the base VM in its original state Victorinox. »

' Go to ' should be explicit enough already, although I can understand how some can be confused with the option 'delete '.

First, it is important to understand the functioning of the snapshots. New to virtualization assumes that there is a kind of copy but this isn't how it works. When you create a snapshot, it only creates a new file of virtual disk of delta containing only the changes since the snapshot was created. The original vmdk file will be marked read-only, and all entries will go to your delta file.

As you the thought, "Deleting" a snapshot with VMware terms delta is merged into the original vmdk and you will not be able to return to the previous state more.

' Go to ' or 'come back' will change to the selected state when a snapshot was created. This also effectively "removes" or rather ignores the current delta running, then you will not be able to re - return to this new State unless you create another cliché. Instead a new empty delta is created with the ignition and filled with subsequent changes. So that means also means your snapshot is not "removed" when you come back, as it will just start from 0.

These articles explain everything you need to know around snapshots:

http://KB.VMware.com/kb/1015180

http://KB.VMware.com/kb/1009402

Tags: VMware

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