Informational Exceptions Tapealert - Sun Microsystems storagetek sl500 Reference Manual

Log Sense
Informational Exceptions TapeAlert Page
The Informational Exceptions TapeAlert page is read from the library at a
minimum of:
At the beginning of a write/read job occurring on a device inside the library,
■
even if media is not loaded in that device.
Immediately after a fatal error during a write/read job occurring on a device
■
inside the library.
At the end of a write/read job occurring on a device inside the library.
■
Though not mandatory, the host software may also poll the Log Sense page every
60 seconds while the tape library is idle.
Each flag will be cleared to zero in the following circumstances:
At library power on.
■
When the TapeAlert Log page is read.
■
On a reset.
■
TABLE 6-17
format. The TapeAlert page returns A4h bytes in this format.
The n represents a TapeAlert flag: currently, all values are set to default.
Unsupported flags are also returned as defaults.
TABLE 6-17 Informational Exceptions TapeAlert Page Format
Byte 7
0
1
2 (MSB)
to
3
TapeAlert Flags: n goes from 1 to 32
5n -1
to
5n
5n +1 DU (0)
5n +2
5n +3
Note – The entire TapeAlert page should be read to obtain all the information.
102 SL500: Interface Reference Manual • July 2008
lists information about the Informational Exceptions TapeAlert Page
6 5
Page Code (2Eh)
Page Length (5n)
Parameter Code (n)
DS (1) TSD (0) ETC (0)
Parameter Length
Value of Flag
Bit
4 3
Reserved (00h)
TMC (0) Rsvd (0)
2 1 0
(LSB)
LBIN (0) LP (0)
Flag
Revision: F • 96122