The Virtual I/O Server (VIOS) is best known for its ability to share disk and network resources without having to allocate a separate physical adapter for each client partition. A not-so-well-known ability is that it can virtualize a physical tape drive to client partitions. With PowerVM, the VIOS owns the I/O slot that holds the adapter and the tape drive. A virtual SCSI adapter (VSCSI) allows the client partition—the VM—to access the tape drive. You can use the virtualized ...

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