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# View volume RDF 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 RDF 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—RDF group containing the volume
   - Pair State—State of the pair of which the volume is part
   - RDF Feature—SRDF copy type
   - CSRMT —CSRMT — RDFA Flags:

     (C)onsistency: | X = Enabled, . = Disabled, - = N/A
     (S)tatus : | A = Active, I = Inactive, - = N/A
     (R)DFA Mode : | S = Single-session, M = MSC, - = N/A
     (M)sc Cleanup: | C = MSC Cleanup required, - = N/A
     (T)ransmit Idle: | X = Enabled, . = Disabled, - = N/A
     (D)SE Status: | A = Active, I = Inactive, - = N/A
     DSE (A)utostart: | 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 RDF director
   - Link Status—Indicates link state
   - RDF State—Volume RDF state
   - Remote RDF State—Remote volume RDF state
   - RDF Status—Volume RDF status
   - Device Config RDFA WPACE Exempt—Indicates is write pacing exemption capability is enabled or disabled.
   - Effective RDFA WPACE Exempt—indicates if effective write pacing exemption capability is enabled or disabled.