Apple xserve raid or xserve raid sfp User Manual

							
 
Xserve RAID Take Apart -   
43
 
 Rear Power Button Panel Board 
Rear Power Button Panel Board 
The rear power button panel board includes the on/off power button and light. 
Tools 
The only tool required for this procedure is a small Phillips screwdriver. 
Preliminary Steps 
Before you begin, remove the system from the rack and place it on a sturdy, 
flat surface 
and ESD mat. Then remove the top cover. 
Part Location 
						

							
 
44 -   
Xserve RAID Take Apart  Rear Power Button Panel Board 
Procedure 
1. Disconnect the rear panel cable from the rear power button panel board. 
2. Remove the two panel board mounting screws.
3. Remove the rear power button panel board and its button cover from the enclosure. 
						

							
 
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Service Source
Troubleshooting 
Xserve RAID 
						

							
 
Xserve RAID Troubleshooting -   
1  
 Diagnostic Tools 
Diagnostic Tools 
Xserve RAID includes built-in sensors that detect and report on hard drives, internal 
temperature, cooling module status or failure, and power status or failure. You can monitor 
the system’s operation via these sensors and two diagnostic tools: indicator lights on the 
front and back of the system and remote monitoring software. 
Status Lights 
Status lights are located on the front and back panels of Xserve RAID. In addition, there 
are status lights on the host adapter card.  
Front Panel Status Lights 
The system’s front panel status lights are shown in the 
figure and table below.
Drive Module Lock and Status Light Power Supply Status Light
Cooling System Status Light
Temperature Status Light
Controller Status Light
Fibre Channel Link Lights
System Identifier Button and Light
Mute Button
Host Activity
LightsDrive Module
Activity and
Status Lights 
						

							
 
2 -  Xserve RAID Troubleshooting
 Diagnostic Tools
Table 1: Front Panel Status Lights
Indicator LED Color Description
Security lock Yellow Lock is engaged
System identi fier Yellow Indicates a hardware error or that 
someone has toggled it on; check the 
server monitoring application for more 
information
Mute button No LED Press to turn off the alarm signalling an  error condition
Power supplies Green RedOK
Failure (See “Power Supply Status Lights”)
Cooling modules Green RedOK
Failure
Temperature Green RedOK
Over temperature
RAID controller
(one for each group 
of seven drives) Green
Red
OK
Failure
Host activity Blue Two rows of 23 LEDs show level of  fibre 
channel activity on each host channel
Fibre channel link Green Two LEDs indicate a link is established
Drive module
(right LED) Green
Yellow
Yellow/green 
flash
Red Powered and running; good
Prefailure condition; replace drive
Rebuilding RAID
Problem or failure; replace drive
Drive module
(left LED) Blinking blue
No lightDisk activity; do not remove drive
No disk activity; drive can be removed 
						

							
Xserve RAID Troubleshooting - 3
 Diagnostic Tools
Back Panel Status Lights
The system’s back panel status lights are shown in the  figure below. General back panel 
status lights are listed in Table 3. Power supply status lights are in Table 4.
Table 2: General Back Panel Status Lights
Indicator Color Description
Power White On and OK
System identi fier Yellow Indicates a hardware error or that 
someone has toggled it on
Mute button No LED Press to turn off alarm signalling an error
Power supplies See “Power Supply Status Lights”
Cooling modules Green OK
Controllers Green OK
Ethernet link Green RedOK
Failure
Fibre channel link Green RedOK
Failure
Batteries Green RedCharged and OK
Failure
Power Supply
Status Lights
Ethernet StatusLights
Fibre Channel Status Lights
System Identifier
Button and Light
Mute Button
Cooling Module Status Light
Power
Button
and Light
Controller Status Light
Battery
Status
Lights 
						

							
4 - Xserve RAID Troubleshooting
 Diagnostic Tools
Host Adapter Card Status Lights
The host adapter card’s status lights are shown in the figure and table below. 
Table 3: Power Supply Status Lights
Power Supply Conditions Green LED Yellow LED Red LED
No AC power to either power supply Off Off Off
Power supply failure or no AC power to 
this power supply Off Off On
AC power present; standby ouputs on Blinking Off Off
Power supply DC outputs on and OK On Off Off
Current limit On Off Blinking
Predictive failure On Blinking/on Off
Table 4: Host Adapter Card Status Lights
LED Color/Status Description
No light Link established
Blinking green Activity on the channel
Yellow No link or there is an error condition
Status Lights
SFP Ports 
						

							
Xserve RAID Troubleshooting - 5
 Diagnostic Tools
RAID Admin and Disk Utility
There are two applications for con figuring and monitoring Xserve RAID systems: RAID 
Admin, included on a CD with the system, and Disk Utility, which is part of Mac OS X or 
Mac OS X Server.
RAID Admin is used for the following:
• Monitoring the status of one or more systems
• Creating or deleting RAID arrays
• Adjusting system settings, including system name and password, network a\
ddress for  each RAID controller, fibre channel communication speed, drive cache, co\
ntroller 
cache, and LUN masking
• Setting up email notification for system alerts
Disk Utility is used to modify RAID arrays by adding striping or mirroring to existing RAID 
arrays.
Note:  For more information on RAID Admin and Disk Utility, see the document “Using 
RAID Admin and Disk Utility” on the RAID Admin CD that comes with the Xserve RAID 
system.
Remote Monitoring
Use the RAID Admin application to monitor the Xserve RAID system from a host 
computer. The application allows monitoring in the following areas, each of which is 
represented by a tab at the top of the RAID Admin window:
• Info
• Components
• Drive & Arrays
• Fibre Channel
• Network
Note:  For information on adding and deleting systems to the RAID Admin monitoring list, 
see the document “Using RAID Admin and Disk Utility.” 
						

							
6 - Xserve RAID Troubleshooting
 Diagnostic Tools
Info
Info reports system name, lock status, controller details, and whether there is a problem or 
power failure.
Components
Components shows the operating information about the power supplies, RAID controllers, 
cooling modules, and cache backup batteries. Clicking the button for a component 
displays its details.          
           
						

							
Xserve RAID Troubleshooting - 7
 Diagnostic Tools
Drive & Arrays
Drives & Arrays shows details of each array, the drives in use, and the drives available. 
Choosing an array from the Array menu displays its details.
Fibre Channel
Fibre Channel shows information about each RAID controller and the type of  fibre channel 
connection in use.
Network
Network displays the IP address and related network details for each RAID controller.