Quantum 1200 Series DAT Autochanger Guide de l'utilisateur télécharger pdf (Page 222)

READ ATTRIBUTE Command (8Ch) SDLT 600 SCSI Interface Guide

4-180 January 2005 81-81200-02 REV A01

• Since the EMAM data is read off the tape, the host needs to wait for one of two ready states to read

and write attributes. If the SDLT tape drive is configured to report the MAM Available Unit

Attention using the EEPROM setting “RepMAMAvailUA” (see Table 4-58 on page 4-98), once

that UA is reported to the host, it can read and write MAM attributes.

If the SDLT tape drive is not configured to report the MAM Available Unit Attention, the host

needs to wait for the Not Ready to Ready transition prior to reading and writing MAM attributes.

If the host sends READ ATTRIBUTE or WRITE ATTRIBUTE commands prior to the Ready

state, the drive returns a CHECK CONDITION status. The Sense Data is set to NOT READY, the

Sense Key is set to LOGICAL UNIT NOT READY, and the Additional Sense Code is set to MAM

NOT AVAILABLE.

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Quantum 1200 Series DAT Autochanger Guide de l'utilisateur Page 222