Problem indicator | FRU/Action | |
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|
Amber LED on and green ac power | 1. | Make sure AC power is good at the source. |
LED off on power supply | 2. | Power Cord |
| ||
| 3. | Power supply |
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|
Green LED on (Drive CRU ID=6) | 1. | If not currently cluster configured, power cycle the |
|
| Netfinity EXP300 to |
|
| |
One or more green LEDs off (one or | ( No activity to the drive. No action is required.) | |
two drive CRUs) |
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|
|
| |
One or more green LEDs off (all | ( No activity to the drive. No action is required.) | |
drive CRUs or those on one bus) | 1. | Check |
| ||
| 2. | Use RAID management software to check the |
|
| status. |
| 3. | ESM board |
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|
|
One or more green LEDs off (front | 1. | Make sure the cables are plugged in and power supplies |
panel) |
| are turned on. |
| 2. | Power supply |
|
|
|
Intermittent or sporadic power loss | 1. | Check the ac power source |
to the expansion unit | 2. | Resecure all installed power cables and power supplies |
| ||
| 3. | Power supply |
|
|
|
Unable to access drives on one or | 1. | Make sure SCSI cables are undamaged and properly |
both SCSI buses |
| connected. |
| 2. | Check the drive SCSI ID settings. Ensure that option |
|
| 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. |
| 3. | ESM board |
| 4. | Bridge card (All high address or all low address hard- |
|
| disk drive failed) |
|
|
|
Random errors | 1. | |
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|
|
Locations
Getting started
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
•An IBM Netfinity NetBAY enclosure
8IBM Netfinity EXP300 - Type 3531 Hardware Maintenance Manual
