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June 15th, 2016 08:00
Snapshot then clone solution?
Hi,
I am looking for a method where I can very quickly have 5 local point in time copies of a source LUN and have them mounted permanently for read/write.
I understand that snapview clones give me that option. however, it does mean that I will have to wait until the source data is fully copied to 5 destination LUNs and is in sync before the target LUNs are fractured and removed.
I understand that "VNX snapshots" can be added to a snapshot mount point but that is not going to be an actual LUN that I can have permanently mounted as it has a performance impact.
I am looking basically for something similar to NetApp's flexclone, where I simply I can take a snapshot of a volume and have it immediately mounted and then breaking the clone from the source LUN can happen at a later time in the background. What is a similar solution does VNX offer?
dynamox
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June 15th, 2016 22:00
can't do that on VNX (you can on VMAX). Like you said for clone to be any good needs to be in either consistent on synchronized state.
I am not sure how much performance hit you will see with VNX snapshots, they are not like snapview snapshots with COFW penalty, it's using redirected writes, don't need RLP etc.