Product specifications are subject to change without notice and do not represent a commitment on the part
of Avid Technology, Inc. The software described in this document is furnished under a license agreement.
You can obtain a copy of that license by visiting Avid's Web site at www.avid.com. The terms of that license
are also available in the product in the same directory as the software. The software may not be reverse
assembled and may be used or copied only in accordance with the terms of the license agreement. It is
against the law to copy the software on any medium except as specifically allowed in the license
agreement. Avid products or portions thereof are protected by one or more of the following United States
patents: 4,746,994; 4,970,663; 5,045,940; 5,267,351; 5,309,528; 5,355,450; 5,396,594; 5,440,348;
5,452,378; 5,467,288; 5,513,375; 5,528,310; 5,557,423; 5,568,275; 5,577,190; 5,584,006; 5,640,601;
5,644,364; 5,654,737; 5,715,018; 5,724,605; 5,726,717; 5,729,673; 5,745,637; 5,752,029; 5,754,851;
5,799,150; 5,812,216; 5,852,435; 5,883,670; 5,905,841; 5,929,836; 5,929,942; 5,930,445; 5,946,445;
5,987,501; 5,995,115; 6,016,152; 6,018,337; 6,023,531; 6,035,367; 6,038,573; 6,058,236; 6,061,758;
6,091,778; 6,105,083; 6,118,444; 6,128,001; 6,130,676; 6,134,607; 6,137,919; 6,141,007; 6,141,691;
6,157,929; 6,198,477; 6,201,531; 6,211,869; 6,223,211; 6,239,815; 6,249,280; 6,269,195; 6,301,105;
6,317,158; 6,317,515; 6,327,253; 6,330,369; 6,351,557; 6,353,862; 6,357,047; 6,392,710; 6,404,435;
6,407,775; 6,417,891; 6,426,778; D396,853; D398,912. Additional U.S. and foreign patents pending. No
part of this document may be reproduced or transmitted in any form or by any means, electronic or
mechanical, including photocopying and recording, for any purpose without the express written permission
of Avid Technology, Inc.
Permission to use, copy, modify, distribute, and sell this software [i.e., the TIFF library] and its
documentation for any purpose is hereby granted without fee, provided that (i) the above copyright notices
and this permission notice appear in all copies of the software and related documentation, and (ii) the
names of Sam Leffler and Silicon Graphics may not be used in any advertising or publicity relating to the
software without the specific, prior written permission of Sam Leffler and Silicon Graphics.
THE SOFTWARE IS PROVIDED “AS-IS” AND WITHOUT WARRANTY OF ANY KIND, EXPRESS,
IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR ANY SPECIAL,
INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER OR NOT ADVISED
OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF LIABILITY, ARISING OUT OF OR IN
CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
The following disclaimer is required by the Independent JPEG Group:
Portions of this software are based on work of the Independent JPEG Group.
The following disclaimer is required by Ray Sauers Associates, Inc.:
“Install-It” is licensed from Ray Sauers Associates, Inc. End-User is prohibited from taking any action to
derive a source code equivalent of “Install-It,” including by reverse assembly or reverse compilation, Ray
Sauers Associates, Inc. shall in no event be liable for any damages resulting from reseller’s failure to
perform reseller’s obligation; or any damages arising from use or operation of reseller’s products or the
software; or any other damages, including but not limited to, incidental, direct, indirect, special or
consequential Damages including lost profits, or damages resulting from loss of use or inability to use
reseller’s products or the software for any reason including copyright or patent infringement, or lost data,
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damages.
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“Videomedia, Inc. makes no warranties whatsoever, either express or implied, regarding this product,
including warranties with respect to its merchantability or its fitness for any particular purpose.”
“This software contains V-LAN ver. 3.0 Command Protocols which communicate with V-LAN ver. 3.0
products developed by Videomedia, Inc. and V-LAN ver. 3.0 compatible products developed by third parties
2
under license from Videomedia, Inc. Use of this software will allow “frame accurate” editing control of
applicable videotape recorder decks, videodisc recorders/players and the like.”
The following disclaimer is required by Altura Software, Inc. for the use of its Mac2Win
software and Sample Source Code:
The following disclaimer is required by Ultimatte Corporation:
Certain real-time compositing capabilities are provided under a license of such technology from Ultimatte
Corporation and are subject to copyright protection.
The following disclaimer is required by 3Prong.com Inc.:
Certain waveform and vector monitoring capabilities are provided under a license from 3Prong.com Inc.
Attn. Government User(s). Restricted Rights Legend
U.S. GOVERNMENT RESTRICTED RIGHTS. This Software and its documentation are “commercial
computer software” or “commercial computer software documentation.” In the event that such Software or
documentation is acquired by or on behalf of a unit or agency of the U.S. Government, all rights with
respect to this Software and documentation are subject to the terms of the License Agreement, pursuant to
FAR §12.212(a) and/or DFARS §227.7202-1(a), as applicable.
Trademarks
888 I/O, AirPlay, AirSPACE, AirSPACE HD, AniMatte, AudioSuite, AudioVision, AutoSync, Avid,
AVIDdrive, AVIDdrive Towers, AvidNet, AvidNetwork, AVIDstripe, Avid Unity, Avid Xpress, AVoption,
AVX, CamCutter, ChromaCurve, ChromaWheel, DAE, D-Fi, D-fx, Digidesign, Digidesign Audio Engine,
Digidesign Intelligent Noise Reduction, DigiDrive, DINR, D-Verb, Equinox, ExpertRender, FieldPak,
Film Composer, FilmScribe, FluidMotion, HIIP, HyperSPACE, HyperSPACE HDCAM, IllusionFX,
Image Independence, Intraframe, iS9, iS18, iS23, iS36, Lo-Fi, Magic Mask, make manage move | media,
Marquee, Matador, Maxim, MCXpress, Media Composer, MediaDock, MediaDock Shuttle, Media Fusion,
Media Illusion, MediaLog, Media Reader, Media Recorder, MEDIArray, MediaShare, Meridien, MetaSync,
NaturalMatch, NetReview, NewsCutter, OMF, OMF Interchange, OMM, Open Media Framework,
Open Media Management, ProEncode, Pro Tools, QuietDrive, Recti-Fi, rS9, rS18, Sci-Fi, Softimage,
Sound Designer II, SPACE, SPACEShift, Symphony, Trilligent, UnityRAID, Vari-Fi, Video Slave Driver,
VideoSPACE, and Xdeck are either registered trademarks or trademarks of Avid Technology, Inc. in the
United States and/or other countries.
iNEWS, iNEWS ControlAir, and Media Browse are trademarks of iNews, LLC.
Asanté and FriendlyNET are registered trademarks; IntraCore is a trademark of Asanté Technologies, Inc.
ATTO is a trademark of ATTO Technology, Inc. Ghost is a registered trademark of Symantec Corporation in
the United States and other countries. Hyperterminal is a registered trademark of Hilgraveve, Inc.
Macintosh is a trademark of Apple Computer, Inc., registered in the U.S. and other countries. Microsoft,
Windows, Windows NT, and Windows 2000 are either registered trademarks or trademarks of Microsoft
Corporation in the United States and/or other countries. SAN InSite is a trademark of Vixel Corporation.
ScheduALL is a trademark of VizuALL, Inc.
Avid Unity MediaNetwork File Manager Setup Guide • Part 0130-05842-01 Rev. A •
June 2003
Congratulations on your purchase of an Avid Unity™ MediaNetwork
workgroup or Trilligent
workgroup to share media files and other project data among a maximum
of 24 Fibre Channel attached clients and 60 Ethernet clients across
4 PortServer Pro systems.
For other possible Ethernet client configurations, contact Avid Technology
Product Marketing.
These editing products are supported by Avid Unity MediaNetwork
workgroups and Trilligent Clusters.
Macintosh
Film Composer
Xpress DV, Pro Tools
Windows
Composer Adrenaline, Film Composer, Avid Xpress for Windows NT
Windows 2000, Avid Xpress Pro, NewsCutter
Newscutter Adrenaline FX, and Avid Pro Tools for Windows
A Trilligent Cluster allows you to connect up to 20 Trilligent Media
Servers to deliver streaming media and other high-bandwidth content over
the Internet.
®
clients — Media Composer®, Media Composer Adrenaline,
®
®
clients — Avid® Symphony™, Media Composer, Media
™
Cluster. You can use your MediaNetwork
, Media Station XL, Avid Xpress®, Avid Xpress Pro, Avid
®
for Macintosh® systems
®
®
, NewsCutter XP systems,
or
n
Your MediaNetwork workgroup or Trilligent Cluster might not contain all
the components or features described in the documentation.
Using This Guide
Who Should Use This Guide
This guide is intended for personnel responsible for installing, configuring,
or maintaining a MediaNetwork workgroup or Trilligent Cluster. It
provides installation and configuration information specific to the
MediaNetwork and Trilligent hardware and software.
About This Guide
This guide provides task-oriented instructions for setting up a
MediaNetwork workgroup with a Trilligent Cluster.
The Contents lists all topics included in this book. They are presented with
the following overall structure:
•Chapter 1, “Preinstallation Overview,” provides information on the
components, unpacking, rack layout, and network connection
necessary to complete the installation and configuration of the
MediaNetwork environment.
14
•Chapter 2, “Installing the MediaNetwork Storage Subsystem
Hardware,” provides step-by-step instructions for connecting the File
Manager and storage subsystem hardware.
•Chapter 3, “Configuring the MEDIASwitches,” provides step-by-step
instructions for configuring and installing the necessary software for
the MEDIASwitches.
•Chapter 4, “Configuring the File Manager,” provides step-by-step
instructions for configuring the MediaNetwork or Trilligent Cluster
File Managers.
•Chapter 5, “MediaNetwork File Manager Software Setup,” provides
step-by-step instructions for installing the necessary software for the
MediaNetwork File Managers.
•Chapter 6, “Trilligent File Manager Software Setup,” provides stepby-step instructions for installing the necessary software for the
Trilligent File Managers.
Symbols and Conventions
•Appendix A, “File Manager and Storage Specifications,” lists the
dimensions and weight, and the environmental, electrical, and power
cord specifications for the components that are part of a
MediaNetwork workgroup and Trilligent Cluster environment.
•Appendix B, “Installing UPS Monitoring Software,” provides
information for installing and configuring the UPS monitoring
software on the File Manager.
•Appendix C, “Installing the MediaNetwork Billing Software,”
provides information to install the MediaNetwork billing software.
•Appendix D, “Using the Product Recovery CD-ROM,” provides
information you might need to reinstall the Windows 2000 operating
system on your File Manager.
•Appendix E, “File Manager Troubleshooting,” provides basic
troubleshooting techniques not found in the Avid Unity MediaNetwork Troubleshooting Guide.
•Appendix F, “Regulatory and Safety Notices,” lists regulatory and
safety notices for the MediaNetwork and Trilligent hardware.
n
You’ll also need the Avid Unity MediaNetwork Management Guide to
create a file system, to create allocation groups and workspaces for media
files, and to create a system user account.
Symbols and Conventions
Avid documentation uses the following symbols and conventions:
Symbol or Convention Meaning or Action
n
c
A note provides important related information,
reminders, recommendations, and strong
suggestions.
A caution means that a specific action you take could
cause harm to your computer or cause you to lose
data.
15
Using This Guide
Symbol or Convention Meaning or Action
w
>This symbol indicates menu commands (and
t
kThis symbol represents the Apple or Command key.
Margin tipsIn the margin, you will find tips that help you
Italic fontItalic font is used to emphasize certain words and to
Courier Bold font
A warning describes an action that could cause you
physical harm. Follow the guidelines in this
document or on the unit itself when handling
electrical equipment.
subcommands) in the order you select them. For
example, File > Import means to open the File menu
and then select the Import command.
This symbol indicates a single-step procedure.
Multiple arrows in a list indicate that you perform
one of the actions listed.
Press and hold the Command key and another key to
perform a keyboard shortcut.
perform tasks more easily and efficiently.
indicate variables.
Courier Bold font identifies text that you type.
16
ClickQuickly press and release the left mouse button
(Windows) or the mouse button (Macintosh).
Double-clickClick the left mouse button (Windows) or the mouse
button (Macintosh) twice rapidly.
Right-clickQuickly press and release the right mouse button
(Windows only).
DragPress and hold the left mouse button (Windows) or
the mouse button (Macintosh) while you move the
mouse.
Ctrl+key
k+key
Press and hold the first key while you press the
second key.
If You Need Help
If you are having trouble using your MediaNetwork workgroup or
Trilligent Cluster:
1. Retry the action, carefully following the instructions given for that task
in this guide. It is especially important to check each step of your
workflow.
2. Check the release notes supplied with your Avid application for the
latest information that might have become available after the hardcopy
documentation was printed.
3. Check the documentation that came with your Avid application or your
hardware for maintenance or hardware-related issues.
4. Visit the online Knowledge Center at www.avid.com/support. Online
services are available 24 hours per day, 7 days per week. Search this
online Knowledge Center to find answers, to view error messages, to
access troubleshooting tips, to download updates, and to read/join
online message-board discussions.
If You Need Help
5. For Technical Support, please call 800-800-AVID (800-800-2843).
For Broadcast On-Air Sites and Call Letter Stations, call
800-NEWSDNG (800-639-7364).
If You Have Documentation Comments
Avid Technology continuously seeks to improve its documentation. We
value your comments about this guide and other Avid-supplied
documentation.
Simply e-mail your documentation comments to Avid Technology at
TechPubs@avid.com
Please include the title of the document, its part number, revision, and the
specific section you are commenting on in all correspondence.
17
Using This Guide
How to Order Documentation
To order additional copies of this documentation from within the
United States, call Avid Sales at 800-949-AVID (800-949-2843). If you are
placing an order from outside the United States, contact your local
Avid representative.
Related Information
The following documents provide more information about the
MediaNetwork workgroup, the MediaNetwork client, and other storage
options:
•Avid Unity MediaNetwork Site Preparation Guide
•Avid Unity MediaNetwork Upgrade Notes
•Avid Unity MediaNetwork System Overview
•Avid Unity MediaNetwork Management Guide
18
•Avid Unity MediaNetwork Troubleshooting Guide
•Avid Unity MediaNetwork Macintosh Fibre Channel Client Setup Guide
•MediaNetwork Macintosh Fibre Channel Client Quick Start Card
•Avid Unity MediaNetwork Windows Fibre Channel Client Setup Guide
•MediaNetwork Windows Fibre Channel Client Quick Start Card
•Avid Unity MediaNetwork PortServer Setup Guide
•Avid Unity MediaNetwork Macintosh Ethernet Client Setup Guide
•MediaNetwork Macintosh Ethernet Client Quick Start Card
•Avid Unity MediaNetwork Windows Ethernet Client Setup Guide
•MediaNetwork Windows Ethernet Client Quick Start Card
•Avid Unity MediaNetwork Supported Configurations
•Avid Unity MediaNetwork Release Notes
Avid Educational Services
For information on courses/schedules, training centers, certifications,
courseware, and books, please visit www.avid.com/training or call
Avid Sales at 800-949-AVID (800-949-2843).
Avid Educational Services
19
Using This Guide
20
Chapter 1
Preinstallation Overview
This chapter provides preliminary instructions before you install and
configure the MediaNetwork Storage workgroup and Trilligent Cluster
components.
Before You Begin
Keep the shipping
boxes that come with
your MediaNetwork
environment. You
might need to
repackage and ship the
components in the
future.
Before you begin to install the File Manager and storage, do the following:
•Unpack all the components.
•Check the contents of each kit against the list shipped with the order to
confirm you have received all the components.
•Examine all the components for damage, and contact Avid Customer
Support if you notice any problems.
•Obtain a dedicated (static) IP address and host name for each of the
following components in your MediaNetwork and Trilligent Cluster
environment:
-File Manager
-Backup File Manager, if you have a failover configuration
-MEDIASwitch — 2 maximum
-MediaNetwork Fibre attached client — 24 maximum
-PortServer
-MediaNetwork Ethernet client — 60 maximum
Chapter 1 Preinstallation Overview
-Trilligent — Media Server — 20 maximum
-Trilligent — Network-routing switch
-Trilligent — Load-balancing network switch
-Trilligent — If you have a load-balancing network switch, a virtual
IP address for the cluster
Alternatively, you can use the nonrouting IP addresses presented
throughout this manual to configure the network for the File Manager
and MEDIASwitches.
n
Trilligent Customer Support supplies the IP addresses to you (based on
your input) on a Configuration Sheet.
MediaNetwork and Trilligent Cluster Components
A MediaNetwork workgroup allows you to connect the latest in shared
storage environments to your Avid workstations. The shared storage lets
you set up a collaborative user environment where several editors can work
on a project at the same time using the same video and audio files.
The Trilligent Cluster is a streaming media environment that consists of the
Trilligent Storage subsystem and the Trilligent Media Server subsystem.
The following sections describe the components that make up each of these
subsystems.
The MediaNetwork and Trilligent components are ready to mount in any
standard 19-inch NEMA or EIA rack. The racks are used to mount the File
Manager, storage, MEDIASwitch, Media Servers, network switches,
uninterruptible power supplies (UPSs), and other components.
22
Storage Subsystem
The storage subsystem provides high-capacity, expandable Fibre Channel
shared storage and consists of:
•One to eight rack-mount MEDIArray
MEDIArray ZX Setup Guide for Avid MEDIArray ZX information)
MediaNetwork and Trilligent Cluster Components
™
II drive enclosures (see Avid
n
n
Avid supports a maximum of 100 drives in a drive set. Eight MEDIArray II
drive enclosures allow the maximum number of data drives. Raw state
drives can fill any unpopulated drive slots in the drive enclosure.
•(Option) Computer rack
•(Option) One or more UPSs
•One or two rack-mount MEDIASwitches (8-port or 16-port)
•One or two rack-mount File Managers.
For more information about failover configurations with two File
Managers, see “File Manager Failover Configurations” on page 24.
•One standard keyboard, monitor, and mouse, or one optional pull-out
keyboard, monitor, and mouse (KMM) assembly
•Optional rack-mount keyboard, video, and mouse (KVM) switch
•(Trilligent Option) — One 10BASE-T/100BASE-T Ethernet hub
Media Server Subsystem for a Trilligent Cluster
The Trilligent Cluster Media Server subsystem provides high-throughput
media streaming capabilities and consists of:
n
•One to twenty Media Servers
•One 100BASE-T or Gigabit Ethernet load-balancing network switch
•One 100BASE-T or Gigabit Ethernet network-routing switch
Avid does not supply all the Media Server subsystem components for your
installation. You must provide one or more of the components yourself.
23
Chapter 1 Preinstallation Overview
When you are expanding an existing MediaNetwork workgroup or
Trilligent Cluster, you can order MEDIArray II drive enclosures and Media
Servers separately. You can add them to the existing environment, provided
you do not exceed the environmental limits. For information on
environmental limits, see “Component Layout Recommendations” on
page 24.
File Manager Failover Configurations
If properly configured with a redundant File Manager, the MediaNetwork
workgroup or Trilligent Cluster supports automatic failover to a backup
(Failover) File Manager if the active (Primary) File Manager fails. This
ensures that the File Manager is not a single point of failure in your
environment.
Communication through the first three drives in the drive set, as well as
polling over two cross-connected Ethernet paths, ensures that any lack of
response from the initially active File Manager occurs because it has gone
offline. The problem is not due to a failure of the network connections
between the two File Managers.
n
In a failover configuration, neither File Manager is assigned to a primary
or backup role — the first system to come online becomes the Active File
Manager and the second to come online becomes the Failover File
Manager. If both systems come online at the same time, the active role is
negotiated arbitrarily between the two File Managers. For this reason,
Avid recommends that you physically label and refer to your first and
second File Managers as FM1 and FM2 (or use a similar convention).
Component Layout Recommendations
You can install MediaNetwork workgroup or Trilligent Cluster
components either into a single rack or into multiple racks (two or three
racks, depending on the configuration). You can also place the network
switches in their own rack. Plan the rack layout using the general
guidelines in the following sections.
24
Single-Rack Layout
Use the following guidelines to determine your single-rack layout:
•Install the pull-out KMM assembly approximately 40 inches
•Install the heaviest components (UPSs and drive enclosures) at the
•Install the MEDIASwitches above the KMM.
•Install the KVM switch above the MEDIASwitches.
•Trilligent — Install the Media Servers above the KVM.
•Install the File Managers above the Media Servers.
•Install the servers for other Avid-integrated applications above the File
Component Layout Recommendations
(1.016 meters) from the floor.
bottom of the rack:
-Five to six drive enclosures with no UPSs
-Three to four drive enclosures with one UPS
Managers.
•Trilligent — Install the load-balancing network switch at the top of the
rack.
Multiple-Rack Layout
Use the following guidelines to determine your multiple-rack layout:
•Install up to eight drive enclosures in one rack.
•Install the pull-out KMM assembly approximately 40 inches
(1.016 meters) from the floor in the second rack.
•Trilligent — Install the Media Servers in the lower portion of the next
rack (maximum of 20 Media Servers requiring 2 U of rack space
each).
•Install the MEDIASwitches above the KMM.
•Install the KVM switch above the KMM.
•Install the active File Manager and the backup File Manager at the
bottom of the second rack.
25
Chapter 1 Preinstallation Overview
•Install the servers for other Avid-integrated applications above the File
Managers.
•Trilligent — Install the load-balancing network switch at the top of the
rack.
•Trilligent — If included, install the network-routing switch (layer 2)
below the load-balancing network switch.
26
Chapter 2
Installing the MediaNetwork
Storage Subsystem
Hardware
This chapter describes how to install and connect the File Managers and
other MediaNetwork workgroup hardware.
c
Before you start the procedures in this chapter, you should be familiar
with the preinstallation information in .
Installing Rack-Mount Rails and Brackets
All MediaNetwork rack-mount components are supplied with either
mounting rails or brackets. You should follow the manufacturer’s
installation instructions supplied with each component to correctly attach
the rails or brackets to the rack rails.
n
Where necessary, this guide supplies specific rack-mount rail or bracket
installation instructions. These instructions supersede the manufacturer’s
instructions.
Chapter 2 Installing the MediaNetwork Storage Subsystem Hardware
Installing File Managers and Storage Subsystem
Components
The File Managers and storage are placed into a rack for easy access to the
cables, connectors, and drives. The following sections describe how to
install the various components into the rack from bottom to top.
n
See the Avid MEDIArray ZX Setup Guide for installation instructions
regarding the Avid MEDIArray ZX.
Uninterruptible Power Sources
Avid recommends that you use an uninterruptible power source to protect
the data in your MediaNetwork workgroup. You should have an adequate
uninterruptible power source to support these items:
•File Manager
•Failover File Manager
•MEDIArray II drive enclosures
•MEDIASwitches
•KMM assembly
•KVM switch
The uninterruptible power source can be conditioned power for your
computer room or several UPSs. If you choose UPSs, you can acquire
them yourself or purchase them from Avid. Avid supplies the Best Power
Fortress 2250 UPS with CheckUPS
power-monitoring software to control the UPSs and to shut down the File
Managers properly if an extended power outage occurs. This helps to
protect the integrity of your data.
II software. You should also use
28
If your environment uses conditioned power for your computer room,
continue with “Installing the MEDIArray II Drive Enclosures” on page 29.
If your environment uses UPSs, see Appendix B before continuing with
“Installing the MEDIArray II Drive Enclosures” on page 29.
Installing File Managers and Storage Subsystem Components
Installing the MEDIArray II Drive Enclosures
The MEDIArray II drive enclosures hold the MEDIArray II drives. Install
the drive enclosures starting at the bottom of the rack.
Installing the MEDIArray II Drive Enclosure Rack-Mount Rails
You can install the rack-mount MEDIArray II drive enclosure in either a
NEMA or an EIA rack. Follow the instructions supplied with the drive
enclosure to install the rack-mount rails, ensuring that:
•You select the lowest full U-alignment position in the rack where you
can mount the drive enclosure. The drive enclosure uses 3 U of rack
space, or 5.25 inches of rack space. Position the drive enclosure
support rails so that the bottom of each rail is at the baseline of a
U-alignment position (see Figure 1).
•The rails do not interfere with the power strips, power cords, or other
cables at the back of the rack.
•The rails allow the drive enclosure to slide completely into the rack.
•The bottom of the drive enclosure is at the bottom of a U-alignment
position.
Rack channel hole spacing
5/8 in
1/2 in
5/8 in
3 U
2 U
1 U
5/8 in
1/2 in
5/8 in
5/8 in
1/2 in
5/8 in
5/8 in
1/2 in
Support rail
EIA rack unit
Baseline of drive
enclosure is at
U-alignment position
between two 1/2-inch
spaced holes.
Rack front channel
1 3/4 in
1 3/4 in
1 3/4 in
Figure 1Locating the MEDIArray II Drive Enclosure Rails
Drive
enclosure
Support rail
mounting holes
MEDIArray II
mounting hole
29
Chapter 2 Installing the MediaNetwork Storage Subsystem Hardware
n
Mounting the MEDIArray II Drive Enclosure
n
If you are installing the rails in a rack that does not have threaded
mounting holes, you will need to locate four clip nuts in the rail kit. Slip the
clip nuts over the holes in the rack front and back channels where you will
be installing the screws for the drive enclosure rails.
To place a rack-mount drive enclosure into the rack:
1. Make sure you have installed the rack-mount drive enclosure support
rails (see “Installing the MEDIArray II Drive Enclosure Rack-Mount
Rails” on page 29). If you are installing several drive enclosures,
install all the support rails before you begin to install the drive
enclosures.
When installing multiple MEDIArray II drive enclosures, make sure you
position each subsequent set of support rails approximately 3 U above the
bottom of the previous set of support rails. The holes in the rails should
align so that you can use the top or bottom holes.
2. From the front of the rack, slide a drive enclosure onto the bottom set
of support rails. Push the drive enclosure in until the mounting
brackets on the side of the drive enclosure touch the front rack rail
(see Figure 2).
30
Mounting brackets
Drive enclosure
Figure 2Installing a Drive Enclosure
Front rack rail
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