Example
Managing the VxFlex OS system
Extending an existing VxFlex OS system
Cluster operations
Parameter
sdc
general
all
user
<blank>
scli --help -–mdm
This section describes how to manage the 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 :
"Extend an existing VxFlex OS system"
l
"Extend the MDM cluster from 3 to 5-node"
l
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:
Adding a standby server, as described in
l
page 136
Removing a standby server, as described in
l
cluster
on page 136
Extending a cluster, as described in
l
Reducing a 5-node cluster to a 3-node cluster, as described in
l
node cluster mode to 3-node cluster mode
Replacing a Master MDM, as described in
l
Transfer the MDM cluster component using the AMS
l
Description
Help on SDC commands
Help on general commands
Help on all commands
Help on commands related to user
management
List options
Adding a standby to the MDM cluster
Removing a standby from the MDM
Extending an MDM cluster
on page 138
Replacing a Master MDM
on page 139
Dell EMC VxFlex Ready Node AMS User Guide
Managing System Objects
on
on page 137
Switching from 5-
on page 138
135