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EVA demand-allocated snapshots: if no space available?

Occasional Visitor

EVA demand-allocated snapshots: if no space available?

Hello!

 

I have some theoretical questions about EVA snapshot mechanism.

 

Say, we have some V-Disk on EVA 8400 (or 8000 - doesn't matter).

And we have several snapshots with demand-allocation, created for that one V-Disk.

 

My questions:

1) Do all the snapshots grow in size at once, when V-Disk data is modified?

Or only the last snapshot grows?

2) What exactly happens, when eventually there is no free space available in disk group to store the changes?

 

Thank you, in advance!