Dell PowerEdge MX7000 Management Module Redundancy Documentation User Guide
Summary
Dell EMC PowerEdge MX7000 Management Module (MM) Redundancy technical white paper (Jan 2019). Describes how the dual Management Module architecture in the MX7000 modular chassis provides high availability through active-standby redundancy. Covers the setup and formation of MM redundancy, the onboarding process for redundant MM, and version compatibility requirements. Authored by Dell EMC storage engineering team members Prakash Nara, Jitendra Jagasia, Deepa Hegde, and Venkat Donepudi.
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Power Edge MX7000 Management Module Redundancy
Dell EMC Technical White Paper
Page Summary Contents For Dell PowerEdge MX7000 Management Module Redundancy Documentation User Guide
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Power Edge MX7000 Management Module Redundancy Dell EMC Technical White Paper
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Revisions Revisions Date Description Jan 2019 Initial release Acknowledgements This paper was produced by the following members of the Dell EMC storage engineering team: Author: Prakash Nara, Jitendra...
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Table of contents Table of contents Revisions..............................................................................................................................................................
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Introduction Introduction The purpose of this whitepaper is to describe the MX7000 Management Module (MM) high availability feature provided by dual MM modules, discuss manual (user initiated) and aut...
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Establishing redundancy Establishing redundancy In a dual MM configuration, on power up, one of the MMs claim and win the active role (more affinity for MM in slot 1) and initiate the boot up. The act...
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Inherent benefits of redundancy Inherent benefits of redundancy On MM failure - Continued access to OME-M with approximate downtime of 2.5 minutes. Downtime accounts for detection of failures, promoti...
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Failovers operations if there are any observations of persistent issues on the active MM and want to remedy by switching to standby MM. - example racadm command: racadm changeover - example racadm com...
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Moving/Swapping MMs between chassis Moving/Swapping MMs between chassis Moving or swapping MMs between chassis could be a typical usecase during maintenance and trouble shooting scenarios. Use case 1,...
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Identify Active and Standby MMs Dual MM remove or swap Identify Active and Standby MMs Following are two of several ways to identify which MM is active • Via the OME Modular GUI (Figure 7) • Physical ...
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Troubleshooting Redundancy Health Alerts Identifying Active MM via GUI Identify Active MM via LED on the MM Troubleshooting Redundancy Health Alerts Following redundancy critical alerts are generated ...
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Troubleshooting Redundancy Health Alerts SEL1524: Management Module in Slot [1/2] is offline Reasons for the alert: One of the MMs is not performing at its optimal level in a dual MM configuration cha...
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Troubleshooting Redundancy Health Alerts Configuration Deploy (Templates) Preserved Not preserved Configuration Identity Pools, Networks Preserved Not preserved Configuration Firmware Baseline Preserv...
Manual Details
| Brand | Dell |
|---|---|
| Pages | 12 |
| File Size | 1.21 MB |
| Published | July 03, 2026 |
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