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Migrating Between System State and BMR Protection

Updated: April 21, 2010

Applies To: System Center Data Protection Manager 2010

Migrating from System State to BMR Protection

To migrate from System State protection to BMR protection, modify the protection group and select BMR protection. System State will remain selected. Complete the wizard for the changes to take effect.

BMR protection requires less space on the recovery point volume. However, the extra space on the volume is not reclaimed. You can shrink the volume size from the Modify Disk Allocation page of the Modify Protection Group Wizard or by using the Get-DatasourceDiskAllocation and Set-DatasourceDiskAllocation cmdlets.

BMR protection will require more space on the replica volume. The volume will be extended automatically. If you want to change the default space allocations you can use Modify-DiskAllocation.

WarningWarning
Disaster Replica will fail because of increased space needs. You must manually increase the space allocation on the server.

Migrating from BMR to System State Protection

You can stop protecting a computer for BMR by using the Modify Protection Group Wizard. When you stop protecting for BMR and retain protection of System State, you must consider the following:

  • You will require more space on the recovery point volume.

  • You will require space on the protected computer because System State protection first writes the replica to the local computer and then transfers it to the DPM server.

ImportantImportant
Because of the increased space requirement on the replica volume, DPM may try to automatically grow the volume. If there is insufficient space in the storage pool, you will see an error indicating this.

TipTip
If you are trying to remove BMR protection to free up disk space, you must stop protection of BMR and System State.

See Also

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