Here is where you're confused.
A VTL is NOT equal to a virtual tape device. No comparison.
A VTL (Virtual Tape Library) is a separate appliance. It is not a just space on disk to store image catalog entries for use with virtual tape devices.
A virtual tape device is something you configure with CRTDEVTAP DEVD(TAPVRT01) RSRCNAME(*VRT)
A VTL which integrates nicely with BRMS and existing IBM i commands requires a fiber channel card. Some low end models which use their own commands may connect with TCP/IP.

A VTL can have multiple (hundreds) different tape volumes in it's library just like the big IBM physical tape libraries can have. When BRMS says mount U00123 it will go find that volume load it up and process it. A virtual tape device cannot do that.

Rob Berendt

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