Oracle X5-2L Service Manual page 153

It is not necessary to completely remove the storage drives from the server; simply pull
Note -
them out far enough to disengage them from the disk backplane. If you do remove the storage
drives from the server, make a note of their locations so that you can reinstall them in the same
locations.
Disconnect the cables from the storage drive backplane.
3.
Disconnect the SAS cable from the storage drive backplane to the rear-
a.
mounted storage drives, and the two SAS cables from the storage drive
backplane to the Oracle Storage 12 Gb/s SAS PCIe RAID HBA [1].
Note the cable connections in order to ease proper reconnection of the cables.
Remove the Storage Drive Backplane for Twelve-Drive Systems
Servicing FRUs 153