NetApp Undedup Procedure

•   Confirm the available space on each volume using the command “df –g <volname>” 
•   Confirm the dedupe savings on each volume using the command “df –s <volname>” and/or “sis status /vol/<volname>”.
•  Confirm that the volume’s current utilization can accommodate the additional data blocks.
•   Pause snapmirror jobs by entering the “#” in the snapmirror.conf file on the destination system.
•  Resize both prod and COB volumes according to dedup savings.
•  Disable dedupe (ASIS) on each volume using the command sis off /vol/<volname>
•  Enter privileged command mode using the command “priv set diag”
•  Begin the process of un-deduping each volume using the command “sis undo /vol/<volname>”
•  Monitor processor utilization with the command “sis status /vol/<volname>.
•  Repeat for additional volumes.
•  Confirm that dedupe has been removed by comparing the output of df –g before and after the undedupe process.
•  Confirm that dedupe has been disabled by running the command “sis status”.
•  Confirm volume utilization by running the “df –g <volname>” command.
•  To stop undedup “sis stop /vol/path”.