IBM Power System 9040-MR9 Manual page 31

Figure 10. Disk drive or solid-state drive service indicator locations in a 9040-MR9 system
3. Choose from the following options:
You must use the power off option if the drive that you are removing is in the AIX or Linux root volume
group (rootvg).
• If you want to remove a drive when the system power is turned off, continue with step "4" on page
17.
• If you want to remove a drive by using the AIX operating system when the system power is turned
on, continue with step "6" on page 20.
• If you want to remove a drive by using the Linux operating system when the system power is turned
on, continue with step "8" on page 20.
4. To prepare the system to remove a drive when the system is powered off, complete the following
steps:
a) Turn on the identify LED for the drive to be removed and for the system.
For instructions, see Identifying a part (www.ibm.com/support/knowledgecenter/POWER9/p9haj/
sal.htm).
Use the blue identify LED on the enclosure to locate the system. Ensure that the serial number of
the system matches the serial number to be serviced.
b) Record the position where the disk drive or solid-state drive will be removed. For example, the
drive slot might be P1-D3 or P2-D3.
Disk drives or solid-state drives for the 9040-MR9 system 17