Workflow for the COW method
The following workflow describes the COW method and how a VSP G series or
VSP F series storage system stores snapshot data:
1. The host writes data to a P-VOL.
2. The storage system stores snapshot data for the P-VOL.
3. The storage system returns the write completion status to the host.
The following figure illustrates the COW method.
36 Overview of Thin Image
Hitachi Thin Image User Guide for Hitachi Virtual Storage Platform G Series and F Series
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