About AdvancedDisk disk pools
A disk pool represents disk volumes on the underlying disk storage. NetBackup
aggregates the disk volumes into pools of storage you can use for backups.
A disk pool is the storage destination of a NetBackup storage unit.
For AdvancedDisk, NetBackup assumes exclusive ownership of the disk resources
that comprise the disk pool. If you share those resources with other users,
NetBackup cannot manage disk pool capacity or storage lifecycle policies correctly.
When NetBackup sends backup data to a disk pool, NetBackup selects disk volumes
based on available capacity and predicted size of the backup. NetBackup tries to
write backup data to a single volume. If necessary, backup images span disk
volumes in a disk pool. Backup images do not span across multiple disk pools.
Note: Symantec recommends that you do not span backup images across NFS
volumes in an AdvancedDisk disk pool. File system full conditions cannot be
detected adequately. Therefore, a disk pool based on NFS volumes should be
comprised of only one volume.
See “Configuring an AdvancedDisk disk pool” on page 29.
Configuring an AdvancedDisk disk pool
When you create an AdvancedDisk disk pool, you specify the following:
■ The NetBackup media servers that share the storage.
The media servers must be configured as storage servers. They also function
as data movers.
When you specify the storage servers, you associate them with the disk pool.
Only those storage servers can access the disk pool.
See “About AdvancedDisk storage servers” on page 23.
■ The disk volumes to include in the pool.
■ The disk pool properties.
See “AdvancedDisk disk pool properties” on page 30.
Symantec recommends that disk volume and disk pool names be unique across
your enterprise.
You must first configure storage servers.
See “Configuring an AdvancedDisk storage server” on page 26.
Once you've configured storage servers, proceed to creating a disk pool.
29Configuring AdvancedDisk
About AdvancedDisk disk pools
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