RAM Truck2012 User Manual download pdf (Page 52)

Real-time Compression – Basics

 Compression is an alternative to Thin Provisioning

– They both allow you to use less physical space on disk than is presented to the host

 A Compressed Volume is “a kind of” Thin Provisioning

– Only uses physical storage to store compressed data

– Volume can be built from a pool using internal or external MDisks

 Compression requires the I/O group hardware be one of the following

platforms

– SVC Model 2145-CF8/CG8 Nodes

– Storwize V7000 Model 2076-1xx/3xx Control Enclosure

 Can use Volume mirroring to

convert to a Compressed Volume

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RAM Truck2012 User Manual Page 52