IBM RS/6000 H50, Installation And Service Manual

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2. SSA Disk Drive
The following table explains the meaning of the Power, Ready and
Check status LEDs on a SSA disk drive.
SSA Status LEDs
LED Status Definition
Power On Power On
Off Power Off
Ready On Both SSA connections good and
drive is ready
Blinking Only one SSA connection good
Flickering Drive is executing a command
Check On Disk drive failure
Self-test running
Drive in service mode
Blinking Disk drive selected
5. Go to 'Installed Device Records' in RS/6000 Enterprise Server Model H50 User's
Guide to record the drive location and the SCSI ID assigned to the drive; then
return here to determine your next step.
6. If you have other hot swap disk drives to install, go to page 7-14.
7. If you have other devices to install, refer to “Media Devices (CD-ROM Drive,
Tape Drive, Diskette Drive, Non-Hot-Swappable SCSI Disk Drives)” on
page 7-46.
8. If you do not have any other procedures to perform, replace the cover that you
removed in step 2 on page 7-14.
9. Close the rack unit door if it has one.
Chapter 7. Removal and Replacement Procedures
7-17