Home Category Table Differences between a SnapView clone, Mirror, and snapshot?
Differences between a SnapView clone, Mirror, and snapshot? PDF Print E-mail
Written by Siva   
Sunday, 10 August 2008 17:12

1) A clone is a full copy of data in a source LUN. A snapshot is a point-in time "virtual" copy that does not occupy any disk space.

2) A snapshot can be created or destroyed in seconds, unlike a clone or mirror. A clone, for example, can take minutes to hours to create depending on the size of the source LUN.

3) A clone or mirror requires exactly the same amount of disk space as the source LUN. A snapshot cache LUN generally requires approximately 10% to 20% of the source LUN size.

4) A clone is an excellent on-array solution that enables you to recover from a data corruption issue. Mirrors are designed for off-site data recovery.

5) A clone is typically fractured after it is synchronized while a mirror is not fractured but instead is actively and continuously being synchronized to any changes on the source LUN.

Last Updated on Friday, 29 October 2010 02:33


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