Linked clones , sysprep sql server , how does storage works

Hi,
I have created a sysprep install of SQL Server 2008 R2 . deployed linked clones from this templates.
Everything works fine !!!
I just want to know how the installatioon takes place. will the linked clones share the binaries and files from parent ?
will there be any performance degration in future ?
or all the SQL Server program files and installation files actually gets copied over ?
What exactly happens ...
Thanks

The deployed linked clones of your SQL template contain only the difference in data between themselves and the original template. Therefore when they are 1st deployed there is very little data attributable to them. Once you've powered them on, and loaded some data in, the linked-clone's virtual disk files will contain, the difference between themselves and the base template, and will grow in size as they're used and data changes.
So (overly simplifying things) the OS and SQL application will reside in the VM template, and the SQL data imported after clone/deployment will reside in the linked clone. If you update the OS or SQL install (or make any otehr changes that will affect data stored on the VM's disks), these changes will occur in the linked-clone, but will still be dependant on the original template.
So far as performance is concerned, there can be some performance drop when using linked clones as opposed to full fat VM's, in a similar fashion to normal VM's with snapshots. Normally it isn't a problem, even if you have a chain of linked clones of linked clones, but it can be. All depends on how much you need to push your SQL servers, and how much grunt is available from your ESX's and the storage that your VM's are running from.

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>
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>
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>
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Hi Im_cheesecake,
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Linked clones , sysprep sql server , how does storage works

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