Cisco UCS B200 M3 Installations- und Wartungshinweise - Seite 11

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Internal Components

Figure 9: Inside View of the B200 M3 Blade Server

Diagnostics Button and LEDs

At blade start-up, POST diagnostics test the CPUs, DIMMs, HDDs, and rear mezzanine modules, and any failure notifications are

sent to Cisco UCS Manager. You can view these notifications in the Cisco UCS Manager System Error Log or in the output of the

show tech-support command. If errors are found, an amber diagnostic LED also lights up next to the failed component. During run

time, the blade BIOS and component drivers monitor for hardware faults and will light up the amber diagnostic LED as needed.

LED states are saved, and if you remove the blade from the chassis the LED values will persist for up to 10 minutes. Pressing the

LED diagnostics button on the motherboard causes the LEDs that currently show a component fault to light for up to 30 seconds for

easier component identification. LED fault values are reset when the blade is reinserted into the chassis and booted, and the process

begins from its start.

If DIMM insertion errors are detected, they may cause the blade discovery process to fail and errors will be reported in the server

POST information, which is viewable using the UCS Manager GUI or CLI. DIMMs must be populated according to specific rules.

The rules depend on the blade server model. Refer to the documentation for a specific blade server for those rules.

Faults on the DIMMs or rear mezzanine modules also cause the server health LED to light solid amber for minor error conditions or

blinking amber for critical error conditions.

Hard drive bays

Battery

DIMM slots

Modular LOM (shown installed)

Internal USB connector

Cisco UCS-USBFLSH-S-4GB=

is recommended, but if another

USB drive will be used it must

be no wider than .8 inches, and

no more than 1.345 inches long

in order tp provide needed

clearances to install or remove

the USB drive.

CPU and heat sink

Diagnostic button

Adapter card connector

(Adapter not shown installed)