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You can place tape devices under CA MIA management. CA MIA supports all types of tape devices and four-character device names.
The device identification method you choose depends on whether you need to place only certain devices under CA MIA management (for example, you are running CA MIA on a test complex), whether you need to specifically assign global names to devices, or whether you plan to use the Autopath feature.
A global name is a unique name that all systems can use to refer to the same device. When you do not specifically assign a global name, CA MIA uses the local name of the device as its global name. The local name is obtained from the unit control block (UCB) of the device.
If the local name of a device is not the same on all systems or you have assigned the same local name to different devices on different systems, then you must specifically assign global names (through the MIMUNITS member specified on the MIMINIT DEVLIST statement) to the devices to indicate which addresses point to the same device. Otherwise, dual allocations may result.
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