Alternate client backup through data replication example (UNIX only)
A volume that is configured with a software mirror on the alternate client replicates a volume that is on the primary client. When the backup starts, the replication is suspended. The software mirror is split from the replicating volume to form a snapshot on the alternate client. The snapshot is mounted on the alternate client and is used to complete the backup. After the backup, the snapshot volume is unmounted. The mirror is resynchronized with the replicating volume, and the replication is resumed.
Phase | Action |
|---|---|
Phase 1 | Primary client collaborates with the alternate client to create snapshot. |
Phase 2 | Alternate client creates the snapshot by splitting the mirror from a replicating volume. |
Phase 3 | Alternate client sends the snapshot data from the snapshot to the media server. |
Phase 4 | Media server reads the snapshot data from the alternate client. |
Phase 5 | Media server writes data to storage. |
Only the VVR snapshot method for UNIX clients supports this configuration. This configuration requires the Veritas Volume Manager (VxVM version 3.2 or later) with the VVR license.