Informational Exceptions Tapealert; Table 6-25 Informational Exceptions Tapealert - Sun Microsystems storagetek sl500 Reference Manual

Informational Exceptions TapeAlert Page
TABLE 6-25
TABLE 6-25 Informational Exceptions TapeAlert Page
Byte 7
0 PS (0)
1
2 Perf (0)
3
4 to 7 (MSB)
8 to 11 (MSB)
Informational Exceptions TapeAlert Definitions:
PS
SPF
Perf
EBF
EWasc
DExcpt
Test
LogErr
MRIE
Interval Timer
Report Counter /
Test Flag Number
96122 • Revision: F
defines the Informational Exceptions TapeAlert page.
6 5
SPF (0)
Rsvd (0) EBF(0)
Reserved (0)
Report Counter / Test Flag Number
The Parameters Saveable bit is set to 0.
The library accepts a value of 0 for the SubPage Format bit, indicating page_0
format is being used.
Performance bit is set to 0, which indicates acceptance of informational
exception operations that cause delays.
Enable Background Functions bit will always be 0.
This should be set to 0 for the enable warning bit, indicating warning reporting
shall be disabled.
The library accepts a value of 1, which indicates the target Disables All
Information Exception operations and ignores the MRIE field.
In this mode, the software must poll the TapeAlert Log page.
0 = The library does not generate false/test informational exceptions.
■
1 = The library generates false/test informational exception conditions.
■
The Log Error information exception conditions is set to 0, which indicates this
is vendor-specific.
Method the library uses to Report Informational Exceptions must be 3h, which
indicates that the library reports any informational exception conditions by
returning Check Condition status.
Bytes 4 through 7 must be 00h. The library will only report informational
exception condition one time.
This is a dual purpose field:
When the Test Flag bit is 0, this field is the report counter.
■
Bytes 8 through 11 must be set to 00h to indicate there is no limit to the
number of times the library will report the informational exception
condition. This value is returned with Mode Sense.
When the Test bit is 1, this field is the test flag number.
■
Bit
4 3
Page Code (1Ch)
Page Length (0Ah)
EWasc DExcpt (1)
Interval Timer
Chapter 6 SCSI Commands 111
Mode Select (6)
2 1
Test Rsvd (0) LogErr (0)
MRIE (3h)
(LSB)
(LSB)
0