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Status Not under consideration
Workspace IBM TS4300 Tape Library
Created by Guest
Created on Nov 4, 2022

RELATED IDEAS

Allow tape drive to be part of more than one logical library

I would like to have the possibility to assign one tape drive in a TS4300 to more than one logical library.

Most tape libraries currently are not over-utilized, meaning there are a lot free time slots where drives are not in use. Having multiple (I'm mostly talking about IBM i) clients utilizing their own logical library, because of restrictions on which cartridges they can see and use, you probably end up with a lot of drives which are used just a few hours throughout a day.

If we could share a single tape drive between logical libraries would be a huge benefit for environments in terms of cutting costs, cooling and power savings.
It could also allow customers having e.g. three drives for 2 separate client systems and utilize their own assigned drive for backup purposes and share a second drive for media duplications.

If somebody would ask me how this could be implemented:
The easiest way would be that a single tape drive could have multiple WWPNs (NPIV?), based on which logical library they are assigned to. SAN technicians then need to zone the correct WWPN to attached systems.

Idea priority Medium
  • Guest
    Reply
    |     Dec 1, 2022

    Could you please explain your approach in detail?

    In my opinion this could only be done on tape library level as the virtualization happens there.

    On host I can only see tape drives/libraries that are presented (e.g. via SAN/zoning) to it.

  • Admin
    CARLOS SANDOVAL CASTRO
    Reply
    |     Nov 30, 2022

    This approach is best handled by the host software/script layer

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