
8-10
SCSI REFERENCE 1014826
CHAPTER 8—LOG SENSE (4Dh)
8.3.4 SYSTEM STATISTICS PAGE (PAGE CODE 30h)
The System Statistics Log page includes four bytes of descriptive information
(see page 6) and returns the cumulative library system statistics stored in
nonvolatile RAM shown Ta b l e 8 - 3 . These values are not reset after power
cycles or resets
18h Library
Inventory
C The library has detected an inconsistency in the cartridge inventory.
1. Use the operator panel or issue a INITIALIZE ELEMENT STATUS
command to update the cartridge inventory to correct the
inconsistency.
2. Restart the operation.
19h Library
Illegal
Operation
W A library operation has been attempted that is invalid at this time.
a
I = Informational suggestion to user.
W = Warning. Remedial action is advised. Performance of data may be at risk.
C = Critical. Immediate remedial action is required.
Table 8-2 Parameters returned for the LOG SENSE TapeAlert page (continued)
Parameter
Code
Flag Name Type
a
Description and Corrective Action
Table 8-3 System Statistics (saved in NVRAM)
Log Parameter Function
Log
Parameter
Code
Parameter Control Byte
Parameter
Length
DU DS TSD ETC TMC LP
Tot al N um be r o f Mo ve s 0 0 1 0 0 0 0 4
Total Number of Pick Retries 1 0 1 0 0 0 0 4
Total Number of Put Retries 2 0 1 0 0 0 0 4
Total Number of Scans 3 0 1 0 0 0 0 4
Total Number of Scan Retries 4 0 1 0 0 0 0 4
Total Number of Scan Failures 5 0 1 0 0 0 0 4
Reserved 6 Reserved 4
Reserved 7 Reserved 2
Reserved 8 Reserved 2
Service Required (bit 0) 9 0 1 0 0 0 0 2
Tot al D riv e L oad Re tr ie s 10 (0Ah) 0 1 0 0 0 0 4
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