13.Appendix F: AIT based WORM system

How to initialize a WORM cartridge to AIT Native mode. 1Partition

Mode Sense (Page 31h)

Mode Select (Page 31h)

AIT=1, DEVICE=1, ABS=1, SysLogAlive=11, Span=0Ah

Mode Select (Page 11h)

Set IDP bit to 1. Additional Partition=0.

13.5.How to handle the WORM cartridge in the drive.

1.DATA READ: There is no restriction when reading data in WORM mode.

2.DATA WRITE: Any attempt to overwrite existing data will be rejected with a Check Condition status and sense data.

Write Projected Error: 07-27-00-07 (Sense Key, ASC, ASCQ, Run-time-error)

Append Position Error: 03-27-04-f7

The AIT WORM drive will allow write operations when:

(1)Append Write Operation is allowed only at End-Of-Data (EOD) area. Prior to an Append Write Operation, several commands can be used to position the drive at EOD area:

Space to EOD (space code 3)

Space to last record (could be a block, File-mark, Set-mark)

Locate to last block

Read until EOD

For example:

Space EOD

Write

Write End

No

Yes

END

13-2

SONY AIT-5 drive SDX-1100V series Ver.1.0

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Sony SDX-1100V/R manual How to handle the Worm cartridge in the drive, End