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
451 Info. The status of a remote volume changed from offline to online.
Recommended actions:
● No action is required.
452 Info. A remote volume was successfully detached from a replication set.
The volume can now be physically moved to another storage system.
Recommended actions:
● No action is required.
453 Info. A remote volume was successfully reattached to a replication set.
Recommended actions:
● No action is required.
454 Info. A user changed the drive-spin-down delay for the indicated disk group to the indicated value.
Recommended actions:
● No action is required.
455 Warning The controller detected that the configured host-port link speed exceeded the capability of an
FC SFP. The speed has been automatically reduced to the maximum value supported by all
hardware components in the data path.
Recommended actions:
● Replace the SFP in the indicated port with an SFP that supports a higher speed.
456 Warning The system IQN was generated from the default OUI because the controllers could not read the
OUI from the midplane FRU ID data during startup. If the IQN is wrong for the system branding,
iSCSI hosts might be unable to access the system.
Recommended actions:
● If event 270 with status code 0 is logged at approximately the same time, restart the Storage
Controllers.
457 Info. The indicated virtual pool was created.
Recommended actions:
● No action is required.
458 Info. Disk groups were added to the indicated virtual pool.
Recommended actions:
● No action is required.
459 Info. Removal of the indicated disk groups was started.
When this operation is complete, event 470 is logged.
Recommended actions:
● No action is required.
460 Error The indicated disk group is missing from the indicated virtual pool.
This might be caused by missing disk drives or unconnected or powered-off enclosures
Recommended actions:
● Ensure that all disks are installed and all enclosures are connected and powered on. When
the problem is resolved, event 461 is logged.
461 Info. The indicated disk group that was missing from the indicated virtual pool was recovered.
This event indicates that a problem reported by event 460 is resolved.
Recommended actions:
114 Events and event messages