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Chapter 11 Data Migration Management
Adding a Storage Policy
StorNext User’s Guide 253
remains on disk after data blocks are freed during policy management or
space management.
Disk-to-Disk Relocation11
Disk-to-Disk relocation allows you to move data from one set of disks
(disk stripe group) to another without affecting the file name space. You
can perform this procedure only if you have the full StorNext suite.
(Customers with StorNext File System only cannot perform this
procedure.)
Before enabling disk-to-disk relocation, you must perform these
preliminary tasks if you have not already done so:
• Create a new managed file system with no more than two affinities,
or reconfigure an existing managed file system by adding affinities.
(For instructions on creating the file system, see Managing the File
System on page 82.)
• Create a policy class or modify an existing one.
• Create a relation point.
• Determine relocation criteria.
After you have accomplished these preliminary tasks, you can enable
disk-to-disk relocation.
Adding a Storage Policy
Use the following procedure to add a new storage policy. When you
create the policy, you can enable disk-to-disk relocation, stub file support,
or both features.