IBM Power System 9040-MR9 Manual page 36

a) Unlock the drive handle (B) by pressing the handle release latch (A) in the direction that is shown,
and pulling out the handle toward you. If the handle is not all the way out, the drive cannot slide out
of the system.
Figure 12. Unlocking and removing the drive
b) Support the bottom of the drive as you slide it out of the system, holding the drive by its sides.
4. Continue with step "8" on page 24.
5. To remove a drive by using the AIX operating system, complete these steps.
a) When the identify LED turns on solid, unlock the drive bay handle (B) by pressing the handle release
latch (A) in the direction that is shown and pulling the handle out toward you. If the handle is not all
the way out, the drive cannot slide out of the system.
22 Power Systems: Disk drives or solid-state drives