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Dell PowerVault MD 32XX/36XX Series Storage Arrays CLI Guide

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Replication Pairs And Replication Repositories

Replicated pairs, comprising of a primary and secondary virtual disk, contain identical data copies as a result of data synchronization. Replication repository virtual disks are used to manage replication data synchronization and are required for both the primary virtual disk and secondary virtual disk in a replicated pair.
A replication repository consists of the following data:
  • Resynchronization and recovery point images for primary and secondary virtual disks.
  • Tracking data from the primary virtual disk that occurs in between synchronization intervals. This data is also written to the secondary virtual disk in case a reversal of the primary/secondary virtual disk role should occur.

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