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NetWorker 19.7 Snapshot Management Integration Guide

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Configuring NsrSnapSG storage groups for intelligent pairing

You can create a maximum of 11 intelligent pairing storage groups on a VMAX array. The names of the storage groups can be NsrSnapSG and NsrSnapSG0 through NsrSnapSG9. Using the NSM_SNAP_SG client resource attribute increases performance and the number of LUNs are reduced.

Each VMAX storage group can contain up to 4096 devices. If you need to specify more than 4096 mirrors for intelligent pairing, create more than one storage group.

NOTE NsrSnapSG storage groups are created on the VMAX arrays, not on the application host where you run the command. Any application host that can see the VMAX array can see its storage groups.

To create a storage group for intelligent pairing, run the following command: symsg -sid vmax_id create NsrSnapSG

To add a device to this group that NetWorker can use as a mirror, run the following command: symsg -sid vmax_id -sg NsrSnapSG add dev device_id

NOTE These examples use mixed case for clarity. The characters in the storage group names are not case-sensitive.

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