Dr029 - Resolve Drive Sled Communication Loss - Dell PowerVault ML6000 Maintenance Manual

2 If this is a new installation, check for packing material and robot shipping posts, which are large plastic
screws that protrude from the top of the robot. Make sure the Y-rails are secured properly and the robot
is moving horizontally level along the Y-rails.
3 Look under the robot to make sure that there is no tape cartridge or other hidden obstruction on the floor
of the library.
4 Verify that the robot parking tab is in the un-parked position and not interfering with the robot Y-axis
travel.
5 If there appears to be nothing blocking the path of the robot and the ticket details indicate the y-axis,
the robot may not be level, such as the rear being higher than the front.
6 If the issue was resolved or no issue was found, close the doors and wait for the system to complete
initialization. Make sure the partitions are online; then continue normal library operations.
7 Close the ticket and monitor for recurrence of the problem.
8 Service users can use the Service > System > Robotics test to further verify that the robotics is
functioning properly.
9 If the problem occurs again, contact Service for a likely hardware replacement or robot re-installation.
10 You have three options:
a. Select Close to close the ticket now.
b. Select Exit to leave the ticket open for future troubleshooting.
c. Select Back to return to the Diagnostic Resolution.

DR029 - Resolve Drive Sled Communication Loss

This DR provides customer resolution steps for
Problem: The system can no longer communicate with a tape drive sled. There are a few scenarios that can
create this problem:
• A user removed a tape drive sled.
• A hardware failure that results in the tape drive appearing to be disconnected.
1 Note the ticket details to identify the drive location.
2 If the drive sled was intentionally removed, close this ticket and continue operation, otherwise follow the
steps below
3 Check for T021 - Drive Sled Communication Failure
same module. If other tickets exist, skip to step 7.
4 Close this ticket and remove and reseat the suspect drive sled. Check the thumb screws on the drive
sled to make sure they are tight and the drive sled is mounted flush with the library chassis.
5 If this ticket reappears, close it again and move the drive to an empty slot in the same module. If no
ticket appears after this, contact Service to replace the module. Otherwise close the ticket and move
the drive sled to an empty slot in an adjacent module, if applicable. Then check for ticket recurrence
6 If the ticket is posted yet again, and follows the drive sled, contact Service for a drive replacement and
skip all remaining steps. Otherwise replace the drive in the original location.
7 Ensure power is properly being received by the tape drive (green LED on the front of the drive). Check
the power supply in the back of the module to verify that it is turned on and plugged in properly. If not,
powered up, correct the problem, close all the
the module, and verify that they do not get posted again. If the
Failure tickets are not posted, skip all remaining steps.
380
T021 on page 218.
tickets posted against other drive sleds in the
T021 - Drive Sled Communication Failure
T021 - Drive Sled Communication
tickets for
Troubleshooting the Tape Library