Equalllogic Volume Clone


i want to clone a volume for a backup , when i do clone like a 2TB volume it is done in like seconds? is this a real clone or a clone built on a snapshot ? or there are something going on in the background? 

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RE: Equalllogic Volume Clone

Hello Dan, 

 It's actually both.  Using code taken from snapshot the pointers to the pages are copied.  If anything changes on the source volume, a pointer to the new page is created.  The clone still points to the original data at the time the clone was created.  So we don't have to actually copy 2TB to make/maintain a clone right away. So there's a lot of things that are going on in the background. 


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