- Notes, cautions, and warnings
- Before you start
- Summary of tasks for replacing a DPE
- Identifying and locating the faulted 2U DPE
- Shutting down the enclosure
- Replacing the faulted 2U DPE
- Disconnecting cables from the DPE
- Removing the front bezel
- Removing the DPE from the cabinet
- Unpacking a part
- Transferring the Dell Service Tag and Agreement ID
- Installing the empty replacement DPE on the rails
- Transferring parts from the faulted DPE to the replacement DPE
- Connecting cables to the replacement DPE
- Initiate a temporary root user on the system
- the next task.
- Set system values on the replacement DPE (D@RE-enabled systems)
- Verifying the DPE status
- Installing the front bezel
- Verifying the new 2U DPE
- Returning a faulted part
Dell Unity™ Family Replacing a Faulted 2U DPE
Before you start
CAUTION:This task on the system involves
powering off the SPs. When all SPs are down, all I/O services stop and hosts lose
access to the system. Once one or both SPs become available to the system, I/O
services to hosts resume.
Before performing this procedure, you should disconnect all network shares and LUNs from each host to prevent data loss. Once the system is fully powered up, you can reconnect the hosts to these storage resources.
WARNING:Pay careful attention when installing SAS cable
connectors into the system SAS ports. Improper installation can damage the chassis
requiring a complete chassis replacement. If you meet resistance when installing the
cable connector into the SAS port, ensure that you are installing the connector in
the correct orientation before continuing.
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