Attribute ID values

Attributes can be Standard or Vendor-Unique. There are three groups of attributes: Device, Medium and Host attributes. Each group has a list of attributes, which characterize the group:

Attribute ID

Attribute Type

Standard/Vendor-Unique

Read-Only

0000h–03FFh

Device

Standard

Yes

 

 

 

 

0400h–07FFh

Medium

Standard

Yes

 

 

 

 

0800h–0BFFh

Host

Standard

No

 

 

 

 

0C00h–0FFFh

Device

Vendor-Unique

Yes

 

 

 

 

1000h–13FFh

Medium

Vendor-Unique

n/a

 

 

 

 

1400h–17FFh

Host

Vendor-Unique

No

 

 

 

 

1800h–FFFFh

Reserved

 

 

 

 

 

 

WRITE ATTRIBUTES commands are only accepted for Host type attributes (either Standard or Vendor-Unique).

Trying to read or write Device or Medium type Vendor-Unique attributes will fail and CHECK CONDITION status is reported. Sense data will be as described in the Illegal Field Checks.

Standard device type attributes

ID

Attribute

Size (bytes)

Format

0000h

Remaining capacity in partition

8

Binary

 

 

 

 

0001h

Maximum capacity in partition

8

Binary

 

 

 

 

0002h

TapeAlert flags

8

Binary

 

 

 

 

0003h

Load count

8

Binary

 

 

 

 

0004h

MAM space remaining

8

Binary

 

 

 

 

0005h

Assigning organization

8

ASCII

 

 

 

 

0006h

Formatted density code

1

Binary

 

 

 

 

0007h–0209h

Reserved

 

 

 

 

 

 

020Ah

Device make/serial number at last load

40

ASCII

 

 

 

 

020Bh

Device make/serial number at load –1

40

ASCII

 

 

 

 

020Ch

Device make/serial number at load –2

40

ASCII

 

 

 

 

020Dh

Device make/serial number at load –3

40

ASCII

 

 

 

 

020Eh–021Fh

Reserved

 

 

 

 

 

 

0220h

Total MB written in medium life

8

Binary

 

 

 

 

0221h

Total MB read in medium life

8

Binary

 

 

 

 

0222h

Total MB written in current/last load

8

Binary

 

 

 

 

0223h

Total MB read in current/last load

8

Binary

 

 

 

 

116 Commands