Chapter 4: Operations
Diagnostic and Maintenance Functions
QuantumLTO-8 HH SAS User’s Guide 45
Diagnostic and Maintenance Functions
The drive can:
• Run diagnostics
• Test write and read functions
• Test a suspect tape cartridge
• Update firmware
• Perform other diagnostic and maintenance functions
The drive must be in maintenance m
o
de to perform these functions.
Caution: Maintenance functions cannot be performed concurrently
with read or write operations. While in maintenance mode,
the tape drive does not accept host interface commands
from the server.
Tab l e 5 on page 45 describes each diagnostic and maintenance function
that the drive can perform, gives the function code which appears on
the S
ingle-character Display (SCD), and directs you to the instructions
for performing the function. It is recommended that you use a
customer-supplied scratch (blank) data cartridge for diagnostic testing.
Table 5 Diagnostic and
maintenance functions
Function Code Diagnostic or Maintenance Function Instructions Location
0 Exit Maintenance Mode: Ca
uses the
drive to become available for reading
and writing data.
Function Code 0: Maintenance Mode
on page 49
1 Run Drive Diagnostics: R
uns tests to
determine whether the drive can
properly load and unload cartridges,
and read and write data.
Function Code 1: Run Drive
Diagnostics on page 49
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