Owners Manual
Table Of Contents
- Dell EMC PowerVault ME4 Series Storage System Owner’s Manual
- Contents
- Storage system hardware
- Troubleshooting and problem solving
- Module removal and replacement
- ESD precautions
- Dealing with hardware faults
- Firmware updates
- Continuous operation during replacement
- Shutting down attached hosts
- Shutting down a controller module
- Verifying component failure
- Customer-replaceable units (CRUs)
- Attach or remove the front bezel of a 2U enclosure
- Replacing a drive carrier module in a 2U enclosure
- Replacing a DDIC in a 5U enclosure
- Replacing a controller module or IOM in a 2U or 5U enclosure
- Replacing a power supply unit (PSU) in a 5U enclosure
- Replacing a fan cooling module (FCM) in a 5U enclosure
- Replacing a power cooling module (PCM) in a 2U enclosure
- Completing the component installation process
- Verifying component operation
- Performing updates in PowerVault Manager after replacing an FC or SAS HBA
- Events and event messages
- Connecting to the CLI port using a serial cable
- Technical specifications
- Standards and regulations
Table 27. Event descriptions and recommended actions (continued)
Number Severity Description/Recommended actions
525 Info. A drawer has been stopped by a user.
The drawer has powered down and may be safely removed. A rescan must complete before the
updated drawer information will be available.
Recommended actions:
● Restart the drawer using the start drawer command, or remove the drawer for
replacement.
526 Info. A drawer has been started by a user.
The drawer has powered up. Disks in the drawer may take a few minutes to spin up. A rescan
must complete before the updated drawer information will be available.
Recommended actions:
● No action is required.
527 Error Expander Controller (EC) firmware is incompatible with the enclosure.
As a preventative measure, the Expander Controller (EC) disabled all PHYs and reported the
short enclosure status page in the supported diagnostic list.
Recommended actions:
● Upgrade the controller module to the latest supported bundle version.
528 Error Expander Controller firmware detected that the partner Expander Controller (EC) firmware is
incompatible with the enclosure.
As a preventative measure, the Expander Controller (EC) disabled all PHYs and reported the
short enclosure status page in the supported diagnostic list.
Recommended actions:
● Upgrade the partner controller module to the latest supported bundle version.
529 Error The local Expander Controller (EC) is incompatible with the enclosure.
As a preventative measure, the Expander Controller (EC) disabled all PHYs and reported the
short enclosure status page in the supported diagnostic list.
Recommended actions:
● Replace the controller module with one that is compatible with the enclosure.
530 Error The local Expander Controller (EC) firmware detected a level of incompatibility with the
partner Expander Controller (EC). This incompatibility could be due to unsupported hardware
or firmware.
As a preventative measure, the local Expander Controller (EC) is holding the partner Expander
Controller (EC) in a reset loop.
Recommended actions:
● Remove the partner controller module from the enclosure. Boot the partner controller
module in single-controller mode in a separate enclosure (without the controller module that
reported this event). Load the latest compatible bundle version. If the version fails to load,
replace the partner controller module.
531 Error The indicated controller module was unable to recover from a stall. The system will need to be
manually recovered.
Recommended actions:
● Download the debug logs from your storage system and contact technical support. A service
technician can use the debug logs to determine the problem.
Warning The indicated controller module detected a stall. The system will perform corrective actions.
Recommended actions:
● No action is required.
Events and event messages 125