Operating instructions

8-6
SCSI REFERENCE 1012975
CHAPTER 8—LOG SENSE (4Dh)
Parameter Length – Byte 03
The Parameter Length field specifies the length in bytes of the following
Parameter Value field (bytes 04 through n).
Parameter Value – Bytes 04 through n
The following sections describe all log parameters that the autoloader
supports.
8.3.2 SUPPORTED LOG PAGES (PAGE CODE 00h)
The Supported Log Pages page lists all log pages that the autoloader supports.
The format for this log page is shown below.
8.3.3 TAPE ALERT PAGE (PAGE CODE 2Eh)
When you issue a LOG SENSE command and request the TapeAlert page, the
autoloader returns the Tape Alert parameter codes listed in Ta b l e 8 - 2 . Each
TapeAlert flag includes four bytes of descriptive information (see page 8-5),
followed by a one-byte parameter value for the flag. Bit 0 of the parameter
value contains the value for the flag, as follows:
0 – The flag is not currently set.
1 – The flag is currently set.
The remaining 7 bits of the flag are not used.
Bit
Byte
7 6 5 4 3 2 1 0
00 Reserved Page Code (00h)
01 Reserved
02 (MSB)
Page Length (7h)
(LSB)
03
04 Supported Log Page (00h)
05 Tape Alert Page (2Eh)
06 System Statistics Page (30h)
07 Element Status Page (33h)
08 Scan Retry Page (34h)
09 Environmental Page (36h)
10 Command Failure Page (37h)