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How the rate of change in your data determines LUN type

The rate of change in your data helps you determine what type of LUN best suits your environment, space-reserved LUN or thinly provisioned LUN.

Rate of deletion or change of data Notes
Lots of deletes (high rate of change)
  • Use space-reserved LUNs
  • Need extra room for Snapshot copies
  • Set fractional reserve to 100%
Very low rate of change (low rate of change)
  • Use thinly provisioned LUNs
Steady growth (low rate of change)
  • Use thinly provisioned LUNs
  • Use volume autogrow
Inconsistent growth
  • Use thinly provisioned LUNs
  • Use volume auto grow to ensure room for LUNs
  • Use Snapshot autodelete
  • Use space reclamation if possible