View the compression ratio details of a volume

Data compression efficiency is a measurement of the relative reduction in size of data representation that is produced by a data compression algorithm. It is typically expressed as the division of uncompressed size by compressed size.

Prerequisites

Users must have at least Monitor rights to view the compression ratio. See Roles and associated permissions to determine the user roles that can perform this task.

Steps

  1. Select a storage system.
  2. Select STORAGE > Storage Groups .
  3. Click and click the number next to Volumes.
  4. Select a volume and click .
    The Data Reduction Ratio field for the selected volume is displayed. If the data reduction ratio is not applicable on the volume, "N/A" is displayed.
  5. Alternatively, select a storage system and then select Storage > Volumes .
  6. Select a volume and click .
    The Data Reduction Ratio field for the selected volume is displayed.