HP D2D D2D Best Practices for VTL, NAS and Replication implementations (EH985- - Page 119

Self Replication for Virtual Device Migration

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Self Replication for Virtual Device Migration Self replication is the process of replicating data between two devices on the same D2D Backup System. This model requires that there is sufficient disk space on the D2D Backup System to hold two copies of the data being migrated but, with 2.1.00 and 1.1.00 software, a replication license is not required for self replication. If migrating several devices, it may be necessary to do them serially in order to preserve disk space. There are two versions of this model Migration when the original device is not already part of a replication mapping to another appliance. This method is termed ―Non Replicated device self replication migration‖ Migration when the original device is already part of a replication mapping to another appliance. This method is termed ―Replicated device self replication migration‖ Non Replicated device self replication migration D2D A HP ProLiant DL320s UID 1 2 2 Original VTL Original File Share 1 New VTL New File Share 1 Step 1 - Self Replicate data for migration 2 Step 2 - Delete original VTL/Share Self Replication Use this model if migrating a device which is not itself in an existing replication mapping. 119

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119
Self Replication for Virtual Device Migration
Self replication is the process of replicating data between two devices on the same D2D Backup System. This
model requires that there is sufficient disk space on the D2D Backup System to hold two copies of the data being
migrated but, with 2.1.00 and 1.1.00 software, a replication license is not required for self replication. If
migrating several devices, it may be necessary to do them serially in order to preserve disk space.
There are two versions of this model
Migration when the original device is not already part of a replication mapping to another appliance. This
method is termed ―Non Replicated device self replication migration‖
Migration when the original device is already part of a replication mapping to another appliance.
This method is termed ―Replicated device self replication migration‖
Non Replicated device self replication migration
Original File Share
Original VTL
D2D A
New VTL
New File Share
1
2
Self Replication
1
Step 1
–
Self Replicate data for migration
2
Step 2
–
Delete original VTL/Share
Use this model if migrating a device which is not itself in an existing replication mapping.