
Contents
Aboutthisguide .......................... 7
Intendedaudience...................................... 7
Documentconventionsandsymbols .............................. 7
Rackstability ........................................ 8
HPtechnicalsupport..................................... 8
Customerselfrepair ..................................... 8
Subscriptionservice ..................................... 9
HPwebsites......................................... 9
Documentationfeedback ................................... 9
1Overview ............................ 11
2Components ........................... 13
Frontpanelcomponents .................................. 13
Harddrivebaynumbers ................................ 13
Rearpanelcomponents................................... 14
Seven-segmentdisplay................................... 14
SAScontroller....................................... 15
Battery........................................ 15
Disposingofoldbatteries.............................. 15
Cachemodule .................................... 16
Power/UIDmodule..................................... 16
3Basicoperation.......................... 17
Poweringon/poweringoff ................................. 17
Updating system firmware.................................. 17
4 LED descriptions . ........................ 19
FrontpanelLEDs...................................... 19
HarddriveLEDs...................................... 20
PowersupplyLEDs..................................... 22
Seven-segmentdisplayLEDs................................. 22
POSTcodes...................................... 23
Errorcodes...................................... 24
FanmoduleLEDs ..................................... 24
SAScontrollerLEDs .................................... 25
Power/UIDmoduleLEDs .................................. 26
5Troubleshooting . ........................ 27
Iftheenclosuredoesnotinitialize .............................. 27
Diagnosticsteps...................................... 27
IsthefrontpanelfaultLEDamber?............................ 27
IsthesystempowerLEDamber?............................. 28
IsthepowersupplyLEDamber?............................. 28
IstheSAScontrollerLEDamber?............................. 28
IsthefanLEDamber? ................................. 29
IstheUIDmoduleSystemStatusLEDamber?........................ 29
Recognizingharddrivefailure.............................. 29
9100c Extreme Data Storage System user guide 3