T055: Drive TapeAlert 37 - Drive Detects Voltage Problem
Description GUI Description: The drive has exceeded one of its voltage limits.
Explanation: System determines that the drive has issued a Tape Alert 37
indicating that the drive brick detected a voltage problem.
Detection Scenario The library determines there is a Tape Alert 37 through its Event Message
exchange with the drive sled. The drive sled detects the Tape Alert 37 by its
periodic polling of the drive brick.
Root Causes
1. Drive has determined that there is a voltage problem per its internal
algorithms.
2. Drive detected a momentary voltage drop when a separate drive was
being activated.
3. System power supply failure or fault.
Possible CRU Replacements
v Drive Sled
v Power module
Resolution
1. Perform “DR083: Resolve Drive Voltage Problem” on page 6-86.
T060: Main Access Door Open
Description GUI Description: A library access door has been opened.
Explanation: At boot time or run time the library detects that at least one
main door is open. The main access door switches are physically wired in
series and the system firmware can not distinguish which switch/door is
open. In addition, the health of the module-to-module connection and
termination affects the series wiring of the switches. Firmware logic will not
report this ticket if the module-to-module termination is totally missing or
not proper.
Detection Scenario Constant monitoring of the switch electrical circuit (hardware interrupt)
detects a door open. This is true at run time or boot up.
Root Causes
1. Any main access door is actually open.
2. A number of electrical hardware failures in the door switch circuit (this
includes intermittent issues).
3. Mechanical issues where door switch is not being made even though
door is closed (this includes intermittent issues).
4. Disconnected module terminator or module-to-module cable.
5. Damaged module terminator or module-to-module cable with bent or
broken pins.
Possible CRU Replacements
v Module-to-Module communication cable
v Module communication terminator
v Display/Door and I/E PCB
Possible FRU Replacements
v Door Interlock Switch
v Internal cables and boards kit
Resolution Perform “DR019: Resolve Open Access Door” on page 6-67.
6-26 TS3310 Tape Library Maintenance Information
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