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# View SRDF groups

SRDF groups provide a collective data transfer path linking volumes of two separate storage systems.

## Prerequisites

See Roles and associated permissions to determine the user roles that can perform this task.

## About this task

The SRDF SG list displays a notification when a capacity mismatch exists between R1 and R2 devices. Mismatch can be R1 > R2 or R1 < R2.

See the Dell SRDF Introduction topic for an overview of SRDF.

Note: Attempting to perform any action from the SRDF Group list view on a VASA Replication Group (where Type indicates VASA) is blocked. A dialog is displayed indicating that management of VASA Replication Groups can only be done using the vVol dashboard. The Volumes Count column displays "-" for VASA Replication Groups. Non-VASA SRDF Groups continue to display their volume count.

## Steps

1. Select the storage system.
2. Select Data Protection > SRDF Groups to open the SRDF groups list view.

   Use the SRDF groups list view to display and manage SRDF groups.

   The following properties display:

   SRDF Group—SRDF group number.

   SRDF Group Label—SRDF group label, for example, Async, Metro, Witness.

   Remote SRDF group—Remote SRDF group number

   Type—Type of group, for example, Dynamic, Witness, VASA, or Global Mirror.

   SRDF Mode—SRDF modes associated with the SRDF group

   Online—Indication if online.

   Transmit Idle—Time the transmit cycle has been idle.

   Volumes Count—Number of volumes in the group

   The following controls are available:

   —View SRDF group details

   Create SRDF Group— Create SRDF groups

   Modify— Modify SRDF groups

   Create Pairs— Create SRDF pairs

   Create Storage Group— Create storage groups

   —Delete SRDF groups

   Create SRDF Connection— Create SRDF connections

   Swap Groups— Swap SRDF groups

   SRDF/A Pacing Setting— Set SRDF/A pace attributes

   SRDF/A Setting — Set SRDF/A group attributes

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