HP HPE Alletra 2140 Hardware Manual page 101

a) Slide the black release tab toward the carrier LED. The handle springs open.
b) Pull the drive carrier handle to remove the drive in slot 1 from the existing array. Use firm, steady pressure.
c) Slide the drive into the drive bay of slot 1 on the new chassis. Do not force the drive. If it does not slide in smoothly,
remove it and start again.
d) Close the drive carrier handle.
Push the handle until it fully engages with the release tab.
e) Repeat this action with the other drive carriers.
Important:
Always install each drive into the same slot number on the new chassis as on the existing array.
1 New chassis
7. Move the controllers from the existing array to the new chassis.
a) Loosen the left and right thumbscrews to free the controller release levers from the controller.
b) Pull the controller release levers down until they stop. The controller ejects slightly from the chassis.
c) Supporting the weight of the controller, slide the controller out of the chassis.
d) Slide the controller into the same bay on the new chassis, and return the release levers to their original closed position.
e) Repeat this action with the other controller. Each controller must be installed in the same bay of the new chassis.
2 Existing array
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Maintenance Procedures 101