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# View volume SRDF information

A storage volume is an identifiable unit of data storage. Storage groups are sets of volumes.

## About this task

This procedure explains how to view volume SRDF information.

## Steps

1. Select the storage system.
2. Select Storage > Volumes and click one of the tabs.
3. Select a volume and click to open its Details view.
4. Click the number next to RDF Info to open the RDF Info list view.
   The following properties display:
   - Remote SymmID—Remote storage system serial ID
   - RDev—Storage system volume name
   - RDev Config—Volume configuration
   - Capacity (GB)—Volume capacity
   - RDFG—SRDF group containing the volume
   - Pair State—State of the pair of which the volume is part .
   - RDF Feature—SRDF copy type
   - CSRMT—The following section lists the CSRMT RDFA flags:

     C—Consistency |
     X | Enabled
     . | Disabled
     - | N/A
     S—Status |
     A | Active
     I | Inactive
     - | N/A
     R—RDFA Mode |
     S | Single-session
     M | MSC
     - | N/A
     M—Msc Cleanup |
     C | MSC Cleanup required
     - | N/A
     T—Transmit Idle |
     X | Enabled
     . | Disabled
     - | N/A
     D—DSE Status |
     A | Active
     I | Inactive
     - | N/A
     A—DSE Autostart |
     X | Enabled
     . | Disabled
     - | N/A

   - R1 Inv—Number of invalid tracks on the R1 volume
   - R2 Inv—Number of invalid tracks on the R2 volume
   - RA Status—Status of the SRDF director
   - Link Status—Indicates the link state
   - RDF State—Volume SRDF state
   - Remote RDF State—Remote volume SRDF state
   - RDF Status—Volume SRDF status
   - Device Config RDFA WPACE Exempt—Indicates if write pacing exemption capability is enabled or disabled.
   - Effective RDFA WPACE Exempt—Indicates if effective write pacing exemption capability is enabled or disabled.