About deduplication storage capacity

For NetBackup 7.0, the maximum deduplication capacity is 32 TBs. The deduplication database and the transaction logs consume some of that storage. NetBackup uses a 90 percent threshold for data to prevent storage overload when the deduplication database capacity is factored in. Although it is unlikely that 10 percent is required for database and transaction logs, it some situations 10 percent may be consumed.

For performance optimization, Symantec recommends that you use a separate disk, volume, partition, or spindle for the deduplication database. (If you use separate storage for the deduplication database, NetBackup still uses the 90 percent threshold to protect the data storage from any possible overload.)

If your storage requirements exceed the capacity of a media server deduplication node, do one of the following:

Use more than one media server deduplication node.
Use a PureDisk storage pool as the storage destination.

A PureDisk storage pool provides larger storage capacity; PureDisk 6.6 supports up to 100 TB of deduplicated data. It also provides global deduplication.

Only one deduplication storage path can exist on a media server. You cannot add another storage path to increase capacity beyond 32 TBs.