intellectual property laws. Dell™ and the Dell logo are trademarks of Dell Inc. in the United States and/or other
jurisdictions. All other marks and names mentioned herein may be trademarks of their respective companies.
The Dell Chassis Management Controller (CMC) for Dell PowerEdge VRTX is a Systems Management
hardware and software solution for managing the PowerEdge VRTX chassis. The CMC has its own
microprocessor and memory and is powered by the modular chassis into which it is plugged.
CMC enables an IT administrator to:
•View inventory
•Perform configuration and monitoring tasks
•Remotely turn on and turn off chassis and servers
•Enable alerts for events on servers and components in the server module
•View and manage storage controller and hard disk drives in the VRTX chassis
•Manage the PCIe subsystem in the VRTX chassis
•Provide a one–many management interface to the iDRACs and I/O modules in the chassis
You can configure the PowerEdge VRTX chassis either with a single CMC, or with redundant CMCs. In
redundant CMC configurations, if the primary CMC loses communication with the chassis or the
management network, a standby CMC takes over the chassis management.
CMC provides multiple System Management functions for servers. Power and thermal management are
the primary functions of CMC, which are listed as follows:
•Enclosure-level real-time automatic power and thermal management.
– CMC monitors system power requirements and supports the optional Dynamic Power Supply
Engagement (DPSE) mode. This mode enables CMC to improve power efficiency by setting the
power supplies while the server in standby mode and dynamically managing the load and
redundancy requirements.
– CMC reports real-time power consumption, which includes logging high and low points with a
time stamp.
– CMC supports setting an optional enclosure maximum power limit (System Input Power Cap),
which alerts and takes actions such as limiting the power consumption of servers, and/or
preventing the turning on of new servers to keep the enclosure under the defined maximum
power limit.
– CMC monitors and automatically controls the functions of cooling fans and blowers on the basis
of actual ambient and internal temperature measurements.
– CMC provides comprehensive enclosure inventory and status or error reporting.
•CMC provides a mechanism for centralized configuration of the:
– Network and security setting of the Dell PowerEdge VRTX enclosure.
– Power redundancy and power ceiling settings.
– I/O switch and iDRAC network settings.
– First boot device on the server module.
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– I/O fabric consistency checks between the I/O module and servers. CMC also disables
components, if necessary, to protect the system hardware.
– User access security.
– Storage components, including the fault-tolerant mode for the storage controllers.
– PCIe slots.
You can configure CMC to send email alerts or SNMP trap alerts for warnings or errors such as
temperature, hardware misconfiguration, power outage, fan speed, and blowers.
What Is New In This Release
This release of CMC for Dell PowerEdge VRTX supports:
•Enabling and disabling the RAID controller.
Key Features
The CMC features are grouped into management and security features.
Management Features
CMC provides the following management features:
•Redundant CMC environment.
•Dynamic Domain Name System (DDNS) registration for IPv4 and IPv6.
•Login management and configuration for local users, Active Directory, and LDAP.
•Advanced cooling options such and ECM (Enhanced Cooling Mode) and Fan Offset can be enabled to
provide additional cooling for improved performance.
•Remote system management and monitoring using SNMP, a web interface, KVM, Telnet, or SSH
connection.
•Monitoring — Provides access to system information and status of components.
•Access to system event logs — Provides access to the hardware log and chassis log.
•Firmware updates for various chassis components — Enables you to update the firmware for CMC,
iDRAC on servers, chassis infrastructure, and chassis storage.
•Firmware update of server components such as BIOS, network controllers, storage controllers, and so
on across multiple servers in the chassis using Lifecycle Controller.
•Fault-tolerant mode for shared storage SPERC 8.
•Dell OpenManage software integration — Enables you to launch the CMC web interface from Dell
OpenManage Server Administrator or OpenManage Essentials (OME) 1.2.
•CMC alert — Alerts you about potential managed node issues through Remote syslog email message
or SNMP trap.
•Remote power management — Provides remote power management functions, such as turn off and
reset of any chassis component, from a management console.
•Power usage reporting.
•Secure Sockets Layer (SSL) encryption — Provides secure remote system management through the
web interface.
•Launch point for the Integrated Dell Remote Access Controller (iDRAC) web interface.
•Support for WS-Management.
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•FlexAddress feature — Replaces the factory-assigned World Wide Name/Media Access Control (WWN/
MAC) IDs with chassis-assigned WWN/MAC IDs for a particular slot, an optional upgrade.
•Graphical display of chassis component status and health.
•Support for single and multi-slot servers.
•LCD iDRAC configuration wizard supports for iDRAC network configuration.
•iDRAC single sign-on.
•Network time protocol (NTP) support.
•Enhanced server summary, power reporting, and power control pages.
•Forced CMC failover and virtual reseat of servers.
•Multi-chassis management, allows up to eight other chassis to be visible from the lead chassis.
•Configure storage components on the chassis.
•Map PCIe slots to the servers and their identification.
Security Features
The CMC provides the following security features:
•Password-level security management — Prevents unauthorized access to a remote system.
•Centralized user authentication through:
– Active Directory using Standard Schema or an Extended Schema (optional).
– Hardware-stored user IDs and passwords.
•Role-based authority — Enables an administrator to configure specific privileges for each user.
•User ID and password configuration through the web interface. Web interface supports 128-bit SSL
3.0 encryption and 40-bit SSL 3.0 encryption (for countries where 128-bit is not acceptable).
NOTE: Telnet does not support SSL encryption.
•Configurable IP ports (if applicable).
•Login failure limits per IP address, with login blocking from the IP address when the limit is exceeded.
•Configurable session auto time out, and more than one simultaneous sessions.
•Limited IP address range for clients connecting to CMC.
•Secure Shell (SSH), which uses an encrypted layer for higher security.
•Single Sign-on, Two-Factor Authentication, and Public Key Authentication.
Chassis Overview
The figure here shows a view of the CMC connectors.
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ItemIndicator, Button, or Connector
1Status/identification indicator (CMC 1)
2Power indicator (CMC 1)
3CMC connector ports (2)
4Power indicator (CMC 2)
5Status/identification indicator (CMC 2)
A Back Panel view of the chassis is given here with a table that lists the parts and devices available in the
CMC.
ItemIndicator, Button, or Connector
1PCIe expansion card slots low-profile (5)
2PCIe expansion card slots full height (3)
3CMC GB Ethernet port (CMC-2)
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ItemIndicator, Button, or Connector
4CMC GB Ethernet port (CMC-1)
5Serial Connector
6Blower modules (4)
7I/O module ports
8PSU 4
9PSU 3
10PSU 1
11PSU 2
A Front Panel view of the chassis is given here with a table that lists the parts and devices available in the
CMC.
Figure 1. Front-Panel Features And Indicators—3.5 Inch Hard Disk Drive Chassis
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ItemIndicator, Button, or
Connector
1USB connectors (2)Allows a keyboard and mouse to be connected to the system.
2LCD panelProvides system information and status, and error messages to
3LCD menu scroll buttons (4)Moves the cursor in one-step increments.
4Selection ("check") buttonSelects and saves an item on the LCD screen and moves to the
Description
indicate when the system is operating correctly or when the
system needs attention.
next screen.
5Enclosure power-on
indicator, power button
6Hard disk drives (HDD)
7Information tagA slide-out label panel which allows you to record system
8Optical drive (optional)One optional SATA DVD-ROM drive or DVD+/-RW drive.
9VentsVents for the temperature sensor.
10Video connectorAllows a monitor to be connected to the system.
11Server modulesUp to four PowerEdge M520 or M620 server modules or 2 M820
The power-on indicator glows when the enclosure power is on.
The power button controls the PSU output to the system.
2.5 inch hard
drive enclosure
3.5 inch hard
drive enclosure
information such as Service Tag, NIC, MAC address, the system's
electrical rating, and Worldwide Regulatory Agency marks.
NOTE: To make sure about proper cooling, verify that the
vents are not blocked.
server modules specifically configured for the enclosure.
Up to twenty five 2.5 inch hot-swappable
hard disk drives.
Up to twelve 3.5 inch hot-swappable hard
disk drives.
Supported Remote Access Connections
The following table lists the supported Remote Access Controllers.
Table 1. Supported Remote Access Connections
ConnectionFeatures
CMC Network Interface ports
Serial port
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•GB port: Dedicated network interface for the CMC web interface.
•DHCP support.
•SNMP traps and e-mail event notification.
•Network interface for the iDRAC and I/O Modules (IOMs).
•Support for Telnet/SSH command console and RACADM CLI
commands including system boot, reset, power-on, and shutdown
commands.
•Support for serial console and RACADM CLI commands including
system boot, reset, power-on, and shutdown commands.
ConnectionFeatures
•Support for binary interchange for applications specifically designed
to communicate with a binary protocol to a particular type of I/O
Module.
•Serial port can be connected internally to the serial console of a
server, or I/O module, using the connect (or racadm connect)
command.
•Provides access only to the active CMC.
Supported Platforms
CMC supports modular servers designed for the PowerEdge VRTX platform. For information about
compatibility with CMC, see the documentation for your device.
For the latest supported platforms, see the Dell Chassis Management Controller (CMC) Version 1.00 for
Dell PowerEdge VRTX Release Notes available at dell.com/support/manuals.
Supported Management Station Operating Systems and
Web Browsers
The following operating systems and web browsers are supported for Dell PowerEdge VRTX:
•Microsoft Internet Explorer 9 on Windows 7 32-bit, Windows 7 64-bit, Windows Server 2008,
Windows Server 2008 64-bit, and Windows Server 2008 R2 64-bit.
•Microsoft Internet Explorer 10 on Windows 7 32-bit, Windows 7 64-bit, Windows 8 32-bit, Windows 8
64-bit, Windows Server 2008, Windows Server 2008 64-bit, Windows Server 2008 R2 64-bit, and
Windows 8 Server.
•Microsoft Internet Explorer 8 on Windows 2003 SP2
•Mozilla Firefox 22/23 on Windows 7 SP2 32-bit, Windows 7 SP2 64-bit, Windows 8.1 32-bit, Windows
8.1 64-bit, Macintosh OSX 10.7, Macintosh OSX 10.8, Windows 2003 SP2, Windows Server 2008 SP2
32-bit, Windows Server 2008 SP2 64-bit, and Windows Server 2012
•Google Chrome 27/28 on Windows 8.1 32-bit and Windows 8.1 64-bit
•Safari 5.2/6 on Macintosh OSX 10.7 and Macintosh OSX 10.8
Managing Licenses
The CMC features are available based on the license (CMC Express or CMC Enterprise) purchased. Only
licensed features are available in the interfaces that allow you to configure or use CMC. For example,
CMC Web interface, RACADM, WS-MAN, and so on. CMC license management and firmware update
functionality is always available through CMC Web interface and RACADM.
Types of Licenses
The types of licenses offered are:
•30 day evaluation and extension — The license expires after 30 days that can be extended for 30 days.
Evaluation licenses are duration-based, and the timer runs when power is applied to the system.
•Perpetual — The license is bound to the service tag and is permanent.
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Acquiring Licenses
Use any of the following methods to acquire the licenses:
•E-mail — License is attached to an e-mail that is sent after requesting it from the technical support
center.
•Self-service portal — A link to the Self-Service Portal is available from CMC. Click this link to open the
licensing Self-Service Portal on the internet from where you can purchase licenses. For more
information, see the online help for the self-service portal page.
•Point-of-sale — License is acquired while placing the order for a system.
License Operations
Before you perform the license management tasks, make sure to acquire the licenses. For more
information, see the Overview and Feature Guide available at support.dell.com.
NOTE: If you have purchased a system with all the licenses pre-installed, then license management
is not required.
You can perform the following licensing operations using CMC, RACADM, and WS-MAN for one-toone license management, and Dell License Manager for one-to-many license management:
•View — View the current license information.
•Import — After acquiring the license, store the license in a local storage and import it into CMC using
one of the supported interfaces. The license is imported if it passes the validation checks.
NOTE: For a few features, a CMC restart may be required to enable the features.
•Export — Export the installed license into an external storage device back up or to reinstall it after a
service part is replaced. The file name and format of the exported license is <EntitlementID>.xml
•Delete — Delete the license that is assigned to a component if the component is missing. After the
license is deleted, it is not stored in CMC and the base product functions are enabled.
•Replace — Replace the license to extend an evaluation license, change a license type such as an
evaluation license with a purchased license, or extend an expired license.
•An evaluation license may be replaced with an upgraded evaluation license or with a purchased
license.
•A purchased license may be replaced with an updated license or with an upgraded license.
•Learn More — Learn more about an installed license, or the licenses available for a component
installed in the server.
NOTE: For the Learn More option to display the correct page, make sure that *.dell.com is added
to the list of Trusted Sites in the Security Settings. For more information, see the Internet
Explorer help documentation.
License Component State or Condition and Available Operations
The following table provides the list of license operations available based on the license state or
condition.
Table 1. License Operations Based on State and Condition
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License/
Component state
or condition
ImportExportDeleteReplaceLearn More
Non-administrator
login
Active licenseYesYesYesYesYes
Expired licenseNoYesYesYesYes
License installed
but component
missing
YesNoNoNoYes
NoYesYesNoYes
Managing Licenses Using CMC Web Interface
To manage the licenses using the CMC Web interface, go to Chassis Overview → Setup → Licenses.
Before importing a license, make sure to store a valid license file on the local system or on a network
share that is accessible from the CMC. The license is either embedded, or sent through an email from the
Self-Service Web Portal, or from the License Key Management tool.
The Licensing page displays the licenses that are associated to devices, or the licenses that are installed,
but the device is not present in the system. For more information about importing, exporting, deleting, or
replacing a license, see the Online Help.
Managing Licenses Using RACADM
To manage licenses using the RACADM commands, use the following license subcommand.
racadm license <license command type>
For more information about the RACADM commands, see the Chassis Management Controller for
PowerEdge VRTX RACADM Command Line Reference Guide available at dell.com/support/Manuals.
Licensable Features in CMC
A list of CMC features that are enabled on the basis of your license is given here in the table.
FeatureExpressEnterpriseNotes
CMC NetworkYesYes
CMC Serial PortYesYes
RACADM (SSH, Local,
and Remote)
CMC Setup BackupNoYes
CMC Setup RestoreYesYes
YesYes
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WS-MANYesYes
SNMPYesYes
TelnetYesYes
SSHYesYes
Web-based InterfaceYesYes
Email AlertsYesYes
LCD DeploymentYesYes
Extended iDRAC
Management
Remote SyslogNoYes
Directory ServicesNo*Yes*For non-default directory service setting, only Reset
iDRAC Single Sign-OnNoYes
Two-Factor
Authentication
PK AuthenticationNoYes
Remote File ShareYesYes
Slot Resource
Management
Enclosure-level power
capping
YesYes
Directory Services is allowed with an Express license.
Reset Directory Services will set the Directory services
to factory default.
NoYes
NoYes
No*Yes*For non-default power cap setting, only Restore
Power Cap is allowed with an Express license. Restore
Power Cap will reset the Power Cap settings to
factory default.
Dynamic Power Supply
Engagement
Multi-chassis
management
Advanced Configuration NoYes
Enclosure-level backup NoYes
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No*Yes*For non-default DPSE settings, only Restore DPSE is
NoYes
allowed with an Express license. Restore DPSE will
reset the DPSE to factory default.
FlexAddress Enablement No*Yes*For non-default FlexAddress settings, only Restore
Default is allowed with Express license. Restore
Default will reset the FlexAddress settings to the
factory default.
PCIe Adapter MappingYes*Yes*A maximum of two PCIe Adapters can be assigned
per Server with Express License.
Virtual Adapter to Slot
Mapping
Virtual Adapter to Slot
UnMapping
Server cloningNoYes
One-to-many Server
Firware Update
One-to-many
configuration for iDRAC
No*Yes*For non-default mapping of Virtual Adapters, only
Default mapping is allowed with an Express license.
Restore Default will change virtual adapter mapping
to factory default.
YesYes
NoYes
NoYes
Viewing Localized Versions of the CMC Web Interface
To view localized versions of the CMC web interface, read through your web browser's documentations.
Supported Management Console Applications
CMC supports integration with Dell OpenManage Console. For more information, see the OpenManage
Console documentation available at dell.com/support/manuals.
How to Use this User's Guide
The contents of this User's Guide enable you to perform the tasks by using:
•The Web interface: Only the task-related information is given here. For information about the fields
and options, see the CMC for Dell PowerEdge VRTX Online Help that you can open from the Web
interface.
•The RACADM commands: The RACADM command or the object that you must use is provided here.
For more information about a RACADM command, see the Chassis Management Controller for PowerEdge VRTX RACADM Command Line Reference Guide available at dell.com/support/manuals.
Other Documents You May Need
To access the documents from the Dell Support site. Along with this Reference Guide, you can access
the following guides available at dell.com/support/manuals.
•The VRTX CMC Online Help provides information about using the Web interface. To access the
Online Help, click Help on the CMC web interface.
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•The Chassis Management Controller Version 1.0 for Dell PowerEdge VRTX RACADM Command Line Reference Guide provides information about using the VRTX–related RACADM features.
•The Dell Chassis Management Controller (CMC) for Dell PowerEdge VRTX Version 1.00 Release Notes
provides last-minute updates to the system or documentation or advanced technical reference
material intended for experienced users or technicians.
•The Integrated Dell Remote Access Controller 7 (iDRAC7) User’s Guide provides information about
installation, configuration, and maintenance of the iDRAC on managed systems.
•The Dell OpenManage Server Administrator’s User’s Guide provides information about installing and
using Server Administrator.
•The Dell Update Packages User's Guide provides information about obtaining and using Dell Update
Packages as part of your system update strategy.
•The Dell Shared PowerEdge RAID Controller (PERC) 8 User's Guide provides information about
deploying the Shared PERC 8 card and managing the storage subsystem. This document is available
online at dell.com/storagecontrollermanuals.
•Dell systems management application documentation provides information about installing and using
the systems management software.
The following system documents provide more information about the system in which VRTX CMC is
installed:
•The safety instructions that came with your system provide important safety and regulatory
information. For additional regulatory information, see the Regulatory Compliance home page at
www.dell.com/regulatory_compliance. Warranty information may be included within this document
or as a separate document.
•The Dell PowerEdge VRTX Getting Started Guide shipped with your system provides an overview of
system features, setting up your system, and technical specifications.
•The setup placemat shipped with your system provides information about the initial system setup and
configuration.
•The server module's Owner's Manual provides information about the server module's features and
describes how to troubleshoot the server module and install or replace the server module's
components. This document is available online at dell.com/poweredgemanuals.
•The rack documentation included with your rack solution describes how to install your system into a
rack, if required.
•For the full name of an abbreviation or acronym used in this document, see the Glossary at dell.com/
support/manuals.
•Systems management software documentation describes the features, requirements, installation, and
basic operation of the software.
•Documentation for any components you purchased separately provides information to configure and
install these options.
•Any media that ships with your system that provides documentation and tools for configuring and
managing your system, including those pertaining to the operating system, system management
software, system updates, and system components that you purchased with your system. For more
information on the system, scan the Quick Resource Locator (QRL) available on your system and the
system setup placemat that shipped with your system. Download the QRL application from your
mobile platform to enable the application on your mobile device.
Updates are sometimes included with the system to describe changes to the system, software, and/or
documentation. Always read the updates first, because they often supersede information in other
documents.
Accessing Documents From Dell Support Site
You can access the required documents in one of the following ways:
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•Using the following links:
– For all Systems Management documents — dell.com/softwaresecuritymanuals
– For Remote Enterprise Systems Management documents — dell.com/esmmanuals
– For Enterprise Systems Management documents — dell.com/openmanagemanuals
– For Client Systems Management documents — dell.com/clientsystemsmanagement
– For Serviceability Tools documents — dell.com/serviceabilitytools
– For OpenManage Connections Enterprise Systems Management documents — dell.com/
OMConnectionsEnterpriseSystemsManagement
– For OpenManage Connections Client Systems Management documents — dell.com/
connectionsclientsystemsmanagement
•From the Dell Support site:
a.Go to dell.com/support/manuals.
b.Under General support section, click Software & Security.
c.In the Software & Security group box, click the required link from the following:
– Serviceability Tools
– Enterprise System Management
– Client System Management
– Remote Enterprise System Management
d.To view a document, click the required product version.
•Using search engines:
– Type the name and version of the document in the Search box.
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2
Installing and Setting Up CMC
This section provides information about how to install your CMC hardware, establish access to CMC,
configure your management environment to use CMC, and guides you through the tasks for configuring
a CMC:
•Set up initial access to CMC.
•Access CMC through a network.
•Add and configure CMC users.
•Update CMC firmware.
For more information about installing and setting up redundant CMC environments, see Understanding
Redundant CMC Environment.
Before You Begin
Before setting up your CMC environment, download the latest version of CMC firmware for PowerEdge
VRTX from dell.com/support/.
Also, make sure that you have the Dell Systems Management Tools and Documentation DVD that was
included with your system.
Installing CMC Hardware
CMC is pre-installed on your chassis and hence no installation is required. You can install a second CMC
to run as a standby to the active CMC.
Checklist To Set up Chassis
The following tasks enable you to accurately set up the chassis:
1.CMC and the management station, where you use your browser, must be on the same network,
which is called the management network. Connect an Ethernet network cable from the CMC active
port to the management network.
2.Install the I/O module in the chassis and connect the network cable to the chassis.
3.Insert the servers in the chassis.
4.Connect the chassis to the power source.
5.Press the power button, or turn on the chassis from the CMC web interface after completing the
task in step 7.
NOTE: Do not turn on the servers.
6.Using the LCD panel, navigate to the IP Summary and click on the Check button to select. Use the IP
address for the CMC in the management system browser (IE, Chrome, or Mozilla). To set up DHCP
for CMC, use LCD panel to, click Main Menu → Settings → Network Settings.
7.Connect to the CMC IP address by using a web browser by typing the default username (root) and
password (calvin).
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8.Provide each iDRAC with an IP address in the CMC web interface, and enable the LAN and IPMI
interface.
NOTE: iDRAC LAN interface on some servers are disabled by default. This information can be
found on the CMC web interface under Server Overview → Setup. This might be an advanced
license option; in which case you must use the SetUp feature for each server).
9.Provide the IO module with an IP address in the CMC web interface. You can get the IP address by
clicking I/O Module Overview, and then clicking Setup.
10. Connect to each iDRAC through the Web browser and provide final configuration of iDRAC. The
default user name is root and password is calvin.
11. Connect to the I/O module by using the web browser and provide final configuration of the IO
module.
12. Turn on the servers and install the operating system.
Basic CMC Network Connection
For the highest degree of redundancy, connect each available CMC to your management network.
Installing Remote Access Software on a Management
Station
You can access CMC from a management station using remote access software, such as Telnet, Secure
Shell (SSH), or serial console utilities provided on your operating system or using the web interface.
To use remote RACADM from your management station, install remote RACADM using the Dell Systems Management Tools and Documentation DVD that is available with your system. This DVD includes the
following Dell OpenManage components:
•DVD root — Contains the Dell Systems Build and Update Utility.
•SYSMGMT — Contains the systems management software products including Dell OpenManage
Server Administrator.
•Docs — Contains documentation for systems, systems management software products, peripherals,
and RAID controllers.
•SERVICE — Contains the tools required to configure your system, and delivers the latest diagnostics
and Dell-optimized drivers for your system.
For information about installing Dell OpenManage software components, see the Dell OpenManage Installation and Security User's Guide available on the DVD or at dell.com/support/manuals. You can also
download the latest version of the Dell DRAC Tools from support.dell.com.
Installing RACADM on a Linux Management Station
1.Log in as root to the system running a supported Red Hat Enterprise Linux or SUSE Linux Enterprise
Server operating system where you want to install the managed system components.
2. Insert the Dell Systems Management Tools and Documentation DVD into the DVD drive.
3. To mount the DVD to a required location, use the mount command or a similar command.
NOTE: On the Red Hat Enterprise Linux 5 operating system, DVDs are auto-mounted with the noexec mount option. This option does not allow you to run any executable from the DVD.
You need to mount the DVD-ROM manually, and then run the commands.
4. Navigate to the SYSMGMT/ManagementStation/linux/rac directory. To install the RAC software,
type the following command:
rpm -ivh *.rpm
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5.For help about the RACADM command, type racadm help after you run the previous commands.
For more information about RACADM, see the Chassis Management Controller for Dell PowerEdge VRTX RACADM Command Line Reference Guide.
NOTE: When using the RACADM remote capability, you must have the 'write' permission on the
folders where you are using the RACADM subcommands, involving the file operations. For
example, racadm getconfig -f <file name>.
Uninstalling RACADM From a Linux Management Station
1.Log in as root to the system where you want to uninstall the management station features.
2. Run the following rpm query command to determine which version of the DRAC tools is installed:
rpm -qa | grep mgmtst-racadm
3. Verify the package version to be uninstalled and uninstall the feature by using the rpm -e rpm -qa
| grep mgmtst-racadm command.
Configuring a Web Browser
You can configure and manage CMC, servers, and modules installed in the chassis through a web
browser. See the “Supported Browsers" section in the Dell Systems Software Support Matrix at dell.com/support/manuals.
The CMC and the management station where you use your browser must be on the same network,
which is called the management network. On the basis of your security requirements, the management
network can be an isolated and highly secure network.
NOTE: Make sure that the security measures on the management network such as firewalls and
proxy servers, do not prevent your web browser from accessing the CMC.
Some browser features can interfere with connectivity or performance, especially if the management
network does not have a route to the Internet. If your management station is running on a Windows
operating system, some Internet Explorer settings can interfere with connectivity, even though you use a
command line interface to access the management network.
NOTE: To address security issues, Microsoft Internet Explorer strictly monitors the time on its cookie
management. To support this, the time on your computer that runs Internet Explorer must be
synchronized with the time on the CMC.
Proxy Server
To browse through a proxy server that does not have access to the management network, you can add
the management network addresses to the exception list of the browser. This instructs the browser to
bypass the proxy server while accessing the management network.
Internet Explorer
To edit the exception list in Internet Explorer:
1.Start Internet Explorer.
2. Click Tools → Internet Options → Connections.
3. In the Local Area Network (LAN) settings section, click LAN Settings.
4. In the Proxy server section, select the Use a proxy server for your LAN (These settings will not apply
to dial-up or VPN connections) option, and then click Advanced.
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5.In the Exceptions section, add the addresses for CMCs and iDRACs on the management network to
the semicolon-separated list. You can use DNS names and wildcards in your entries.
Mozilla FireFox
To edit the exception list in Mozilla Firefox version 19.0:
1.Start Mozilla Firefox.
2. Click Tools → Options (for systems running on Windows), or click Edit → Preferences (for systems
running on Linux).
3. Click Advanced, and then click the Network tab.
4. Click Settings.
5.Select Manual Proxy Configuration.
6. In the No Proxy for field, type the addresses for CMCs and iDRACs on the management network to
the comma-separated list. You can use DNS names and wildcards in your entries.
Microsoft Phishing Filter
If the Microsoft Phishing Filter is enabled in Internet Explorer on your management system, and your
CMC does not have Internet access, accessing CMC may be delayed by a few seconds. This delay can
happen if you are using the browser or another interface such as remote RACADM. To disable the
phishing filter:
1.Start Internet Explorer.
2. Click Tools → Phishing Filter, and then click Phishing Filter Settings.
3. Select the Disable Phishing Filter option and click OK.
Certificate Revocation List (CRL) Fetching
If your CMC has no access to the Internet, disable the certificate revocation list (CRL) fetching feature in
Internet Explorer. This feature tests whether a server such as the CMC web server uses a certificate that is
on a list of revoked certificates retrieved from the Internet. If the Internet is inaccessible, this feature can
cause delays of several seconds when you access the CMC using the browser or with a command line
interface such as remote RACADM.
To disable CRL fetching:
1.Start Internet Explorer.
2. Click Tools → Internet Options, and then click Advanced.
3. Go to the Security section, clear the Check for publisher’s certificate revocation option, and then
click OK.
Downloading Files From CMC With Internet Explorer
When you use Internet Explorer to download files from the CMC, you may experience problems when
the Do not save encrypted pages to disk option is not enabled.
To enable the Do not save encrypted pages to disk option:
1.Start Internet Explorer.
2. Click Tools → Internet Options → Advanced.
3. In the Security section, select the Do not save encrypted pages to disk option.
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Enabling Animations In Internet Explorer
When transferring files to and from the web interface, a file transfer icon spins to show transfer activity.
While using Internet explorer, you have to configure the browser to play animations.
To configure Internet Explorer to play animations:
1.Start Internet Explorer.
2. Click Tools → Internet Options → Advanced.
3. Go to the Multimedia section, and then select the Play animations in web pages option.
Setting Up Initial Access to CMC
To remotely manage the CMC, connect the CMC to your management network, and then configure the
CMC network settings.
NOTE: To manage the PowerEdge VRTX solution, it must be connected to your management
network.
For information about configuring CMC network settings, see Configuring Initial CMC Network. This
initial configuration assigns the TCP/IP networking parameters that enable access to CMC.
CMC and iDRAC on each server and the network management ports for the switch I/O module are
connected to a common internal network in the PowerEdge VRTX chassis. This allows the management
network to be isolated from the server data network. It is important to separate this traffic for
uninterrupted access to chassis management.
CMC is connected to the management network. All external access to CMC and iDRACs is achieved
through CMC. Access to the managed servers, conversely, is accomplished through network connections
to the I/O module (IOM). This allows the application network to be isolated from the management
network.
It is recommended to isolate chassis management from the data network. Due to the potential of traffic
on the data network, the management interfaces on the internal management network can be saturated
by traffic intended for servers. This results in CMC and iDRAC communication delays. These delays may
cause unpredictable chassis behavior, such as CMC displaying iDRAC as offline even when it is up and
running, which in turn causes other unwanted behavior. If physically isolating the management network
is impractical, the other option is to separate CMC and iDRAC traffic to a separate VLAN. CMC and
individual iDRAC network interfaces can be configured to use a VLAN.
Configuring Initial CMC Network
NOTE: Changing your CMC Network settings may disconnect your current network connection.
You can perform the initial network configuration of CMC before or after CMC has an IP address. If you
configure CMC’s initial network settings before you have an IP address, you can use either of the
following interfaces:
•The LCD panel on the front of the chassis
•Dell CMC serial console
If you configure initial network settings after the CMC has an IP address, you can use any of the following
interfaces:
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