We have new (to us) 3590 B11 drives without the "extended length media" feature (in other words, we'll be using the "J", or blue, tape).

When I go into VM/Backup to create a pool, the choices for mode within HPT are:

        HPTB
        NPTC - "hardware compaction" - IBMLZ1

There are 3 kinds of 3590 drives - B11, E11, and H11, and two kinds of tapes that can be used on all of these drives - J and K - K being the "extended length media", or green tape. I'm having difficulty relating "NPTC" to this scheme.

What do other people use in VM/Backup for B11's with "J" series tape?

    - Tom.

Tom Cluster
County of Sonoma
Santa Rosa, CA
(707) 565-3384 (Tuesdays and Wednesdays only)

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