SRDF/A control actions

SRDF transparently remotely mirrors production or primary (source) site data to a secondary (target) site to users, applications, databases, and host processors.

Action Activate Type Write Pacing Type Description
Activate DSE N/A This type activates the SRDF/A Delta Set Extension feature. This feature extends the available cache space by using device SAVE pools.

Write Pacing

This feature extends the availability of SRDF/A by preventing conditions that result in cache overflow on both the R1 and R2 sides.

Group write pacing

This type activates SRDF/A write pacing at the group level.

Group and Volume Write Pacing This type activates SRDF/A write pacing at the group level and the volume level.

Volume Write Pacing

This type activates SRDF/A write pacing at the volume level.

Write Pacing Exempt N/A This type activates write pacing exempt. Write pacing exempt allows you to remove a volume from write pacing.