Locations; Getting Started - IBM Netfinity EXP300 Hardware Maintenance Manual

Problem indicator
Amber LED on and green ac power
LED off on power supply
Green LED on (Drive CRU ID=6)
One or more green LEDs off (one or
two drive CRUs)
One or more green LEDs off (all
drive CRUs or those on one bus)
One or more green LEDs off (front
panel)
Intermittent or sporadic power loss
to the expansion unit
Unable to access drives on one or
both SCSI buses
Random errors

Locations

Getting started

8
IBM Netfinity EXP300 - Type 3531 Hardware Maintenance Manual
FRU/Action
1. Make sure AC power is good at the source.
2. Power Cord
3. Power supply
1. If not currently cluster configured, power cycle the
( No activity to the drive. No action is required.)
( No activity to the drive. No action is required.)
1. Check SCSI-bus cables and connections.
2. Use RAID management software to check the SCSI-bus
3. ESM board
1. Make sure the cables are plugged in and power supplies
2. Power supply
1. Check the ac power source
2. Resecure all installed power cables and power supplies
3. Power supply
1. Make sure SCSI cables are undamaged and properly
2. Check the drive SCSI ID settings. Ensure that option
3. ESM board
4. Bridge card (All high address or all low address hard-
1. Mid-plane
You can install the EXP300 expansion unit in the following types of enclosures:
• An Electronic Industries Association (EIA) 310 standard rack cabinet
• The IBM Netfinity EXP300 Rack-to-Tower Conversion Kit
• An IBM Netfinity NetBAY enclosure
Netfinity EXP300 to re-enable ID=6.
status.
are turned on.
connected.
switches 1 and 3 (inside the switch card) are set to the
appropriate positions.
Attention:
Change switch positions only when your host server and
expansion unit is turned off.
disk drive failed)