DLT4000 SCSI Interface
8 3
8 2. Unit Attention Condition
Queued Unit Attentions are implemented on this device, and are maintained
following circumstances:
•
•
BUS Reset
Bus Device Reset message
•
media may have changed asynchronously
•
•
A firmware (microcode) update has completed
a cartridge is loaded, Power Up and Not-ready to Ready Transition Unit Attentions are
created. Due to a limited number of Unit Attention buffers, if an initiator does not
new Unit Attentions for that I-L combination (but existing ones will be left queued).
A LOAD command will not generate a Unit Attention for the initiator that issued the
8. .5
•
All device SCSI lines go to high impedance when the DLT4000 drive is powered
•
The DLT4000 drive will not generate any spurious signals on the SCSI bus at
•
Within 5 seconds of power on, and within 250 milliseconds (typically under 4 ms)
return appropriate, normal, responses. Tape motion commands will be returned
with Check Condition status, Sense Key Not Ready, until the media has been
•
The Hard Bus Reset option is implemented.
The media is rewound to BOP (Beginning of Partition, i.e. Beginning of Tape).
resets of arbitrarily long duration. It will recover within the time limits specified
above, following the last bus reset.
Содержание DLT 4700
Страница 1: ...DLTTM 4000 DLTTM 4500 DLTTM 4700 Cartridge Tape Subsystem Product Manual...
Страница 2: ......
Страница 3: ...DLTTM 4000 DLTTM 4500 DLTTM 4700 Cartridge Tape Subsystem Product Manual March 10 1996 81 60043 01...
Страница 106: ...Configuring and Operating the DLT4500 Mini Library 4 34 DLT4000 DLT4500 DLT4700 Cartridge Tape Subsytem...
Страница 142: ...Troubleshooting Guide for the DLT4500 DLT4700 Mini Library 6 10 DLT4000 DLT4500 DLT4700 Cartridge Tape Subsystem...
Страница 160: ...Firmware Update From Tape 7 18 DLT4000 DLT4500 DLT4700 Cartridge Tape Subsystem...
Страница 215: ...DLT4000 SCSI Interface DLT4000 DLT4500 DLT4700 Cartridge Tape Subsystem 8 55...
Страница 304: ...DLT4000 SCSI Interface 8 144 DLT4000 DLT4500 DLT4700 Cartridge Tape Subsystem...
Страница 336: ...Definition of Vendor Unique Sense Data Information B 4 DLT4000 DLT4500 DLT4700 Cartridge Tape Subsystem...
Страница 342: ...Sense Key Information C 6 DLT4000 DLT4500 DLT4700 Cartridge Tape Subsystem...
Страница 359: ...Index DLT4000 DLT4500 DLT4700 Cartridge Tape Subsystem 7...
Страница 360: ...Index 8 DLT4000 DLT4500 DLT4700 Cartridge Tape Subsystem...