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# Make R1 or R2 volumes ready

Symmetrix Remote Data Facility (SRDF) facilitates the data replication from one storage system to another through a storage area network or Internet Protocol (IP) network.

## Prerequisites

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

You are not able to perform SRDF/Metro control actions at the SG level on the SRDF/Metro pairs in a standard SRDF view. You are not allowed to perform standard SRDF actions on the SRDF/Metro leg in a standard SRDF view. If you are viewing a storage system that is not associated with either side of the pair of interest, you must go to the view of the relevant storage system.

This operation is blocked on SRDF groups that Global Mirror uses.

## About this task

This operation can be invoked from multiple locations in the Unisphere user interface (Device group > SRDF Group, Device Group > SRDF Pairs, SG All Details > SRDF tab, Protection dashboard) . Depending on where the operation is invoked, some of the steps below may not apply.

This operation can be invoked from multiple locations in the Unisphere user interface (Device group > SRDF Group, Device Group > SRDF Pairs, SG All Details > SRDF tab, Protection dashboard) . Depending on where the operation is invoked, some of the steps below may not apply.

To make R1 or R2 volumes ready to their local hosts:

## Steps

1. Select the storage system.
2. Click Protection to view the Protection dashboard and select SRDF from the Protected Storage Groups section of the summary panel.
3. Do the following, depending on whether you want to perform the operation at the group level or pair level:
   - Group level:
     1. Select a group, click , and select Set Volume Attributes > Ready. For storage groups with Celerra FBA emulation, a warning dialog is displayed indicating that the storage group may be managed externally using eNAS. To continue, click OK, otherwise click Cancel.
     2. Select side R1 or R2.
     3. Select the Use 2nd Hop option if including the second hop of a cascaded SRDF configuration (not applicable if the hop2 is SRDF/Metro).
   - Pair level:
     1. Select a group, click , and click the number next to SRDF Pairs.
     2. Select one or more pairs, click , and select Set Volume Attributes > Ready.
     3. Select R1 or R2 volume type.
4. Click Advanced Options to set the advanced options. Select the advanced options and click OK.
5. Do one of the following:
   - Click Run Now to perform the operation now.
   - Expand Run Now and click Add to Job List to add this task to the job list, from which you can schedule or run the task at your convenience. For more information, see Schedule jobs and Preview jobs.

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