Parameter Description
sdc
Help on SDC commands
general
Help on general commands
all
Help on all commands
user
Help on commands related to user
management
<blank>
List options
Example
scli --help -–mdm
Managing the VxFlex OS system
This section describes how to manage the VxFlex OS system.
Extending an existing VxFlex OS system
Options for adding nodes to an existing system.
You can add nodes to an existing system, as well as extend the MDM cluster from a 3-
node to a 5-node cluster. Depending on your system, you can use the VxFlex OS
Installer (for physical servers) or the vSphere plug-in (for ESXi servers).
These topics are described in the sections of the
VxFlex OS Deployment Guide
:
l
"Extend an existing VxFlex OS system"
l
"Extend the MDM cluster from 3 to 5-node"
Cluster operations
Use the VxFlex OS GUI Hardware view to perform cluster operations such as adding
and removing standby servers, adding and removing Managers and TieBreakers, and
replacing a Master MDM.
The following cluster operations can be performed using the Cluster menu in the
Hardware view:
l
Adding a standby server, as described in Adding a standby to the MDM cluster on
page 136
l
Removing a standby server, as described in Removing a standby from the MDM
cluster on page 136
l
Extending a cluster, as described in Extending an MDM cluster on page 137
l
Reducing a 5-node cluster to a 3-node cluster, as described in Switching from 5-
node cluster mode to 3-node cluster mode on page 138
l
Replacing a Master MDM, as described in Replacing a Master MDM on page 138
l
Transfer the MDM cluster component using the AMS on page 139
Managing System Objects
Dell EMC VxFlex Ready Node AMS User Guide 135
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