HP 5991-6764 User's Manual
Contents
1. A CAUTION When performing the installation procedure extend only one blade enclosure no more than a few inches from the rack at any time Ensure that the rack is stable before you begin the installation procedure 1 Starting from the lowest bracket using the fastener locations that you identified and marked in Chapter 2 page 5 clip a cage nut into the back of each rear rack column 2 Hook the bracket onto the square cutouts in the rack column 3 Fasten bracket to the rear rack columns by using two M6 pan head screws and tighten to the specified torque 4 Repeat Steps 1 through 3 if more than one bracket is required 5 Slide the blade enclosure into the rack and secure it at the front of the rack as specified in the installation instructions for the blade enclosure 6 Starting at the lowest port and working up through the rack consult the cabling tables for your HP Cluster Platform solution and begin connecting the cables 7 Open the cable clips by pressing in the latch as indicated by callout 1 in Figure 3 1 Figure 3 1 Cable Clips a 8 Connect the cable to the InfiniBand switch module port ensuring that the latch on the cable head shell engages If you are connecting live links as recommended in the HP Cluster Platform documentation the port signal LEDs will illuminate and indicate the link status 9 Close the cable clip by pressing firmly on the location indicated by callout 2 in Figure 3 1 10 Route the cable2. Filled squares One of three potential cutouts mounting holes where you mount the bracket s hook Circled squares One of three potential cutouts where you locate a fastener Use the following procedure to determine the actual mounting locations for brackets 1 Determine which of the blades chassis bays contain the InfiniBand switch modules There might be more than one InfiniBand switch module in some configurations 2 Determine the rack U location that aligns with the top of the blades enclosure 3 Using a pen or masking tape mark the mount locations defined in Table 2 1 Table 2 1 Bracket Mount Locations InfiniBand Switch Module Bay Bay 3 and 4 Bay 5 and 6 Bay 7 and 8 Relative U Location Bracket Hook Cut out Fastener Cut out 4th U down from the top of the Top cutout Middle cutout blades enclosure 4th U down from the top of the Bottom cutout Top cutout of the next U blades enclosure location below 5th 5th U down from the top of the Middle cutout Bottom cutout blades enclosure Aligning the Bracket 3 Installing and Using the Bracket One bracket is required for each 8 port InfiniBand switch module typically installed in bays 3 and 4 of the c Class server blade enclosure in HP Cluster Platform When installed the bracket occupies less than 1U 1 75 inches of rack column space Use the following procedure to install the c Class server blade enclosure cable management bracket
3. Installation and User s Guide Read the rack installation instructions for the c Class blade enclosure Obtain the set of cabling tables required for your HP Cluster Platform solution IMPORTANT Do not secure the enclosure into the rack before you begin the bracket installation You must be able to access the rear inward face of the rack columns Preparing for Installation 2 Aligning the Bracket Figure 2 1 Bracket Orientation shows the correct orientation of the cable management bracket which you must install before connecting the cables to the InfiniBand switch module During the cabling procedure the bracket provides strain relief for the InfiniBand ports and maintains the correct minimum cable bend radius Figure 2 1 Bracket Orientation ji i Callout 1 shows the bracket s mounting hook installed in one of the square holes in the left rear rack column The actual mounting locations for a bracket are relevant to the location of the blades enclosure in the rack and must align with the switch module installed in the c Class blade enclosure Figure 2 2 identifies relative mount locations Per UY TTY MEET LA o Figure 2 2 Relative Mounting Locations for a Bracket c Poe ee ooo 00 lt ooo al HOL E GO E aol The callouts in Figure 2 2 identify the following features The U location that aligns with the top of the blades enclosure Each enclosure us 10U high
4. HP Cluster Platform c Class Blade Cable Management Bracket Installation Guide IA ll Ml Uae h HP a pis r ah A A ober invent Copyright 2006 Hewlett Packard Development Company L P The information contained herein is subject to change without notice The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services Nothing herein should be construed as constituting an additional warranty HP shall not be liable for technical or editorial errors or omissions contained herein Printed in the U S A 1 Preparing for Installation Audience This guide is intended for HP service representatives and other persons trained to install hardware options in HP 10000 series racks Such persons are expected to understand the hazards of working in this environment and to take suitable precautions to minimize danger to themselves and others Documentation Resources You can download the documentation for components referenced in this installation guide from the following locations e HP 10000 Series Rack Documentation option http h18004 www1 hp com products servers proliantstorage racks e HP Technical Documentation High Performance Computing option http docs hp com en highperfcomp html Kit Description The c Class Blade cable management bracket aligns and supports cables that lead from a 4x DDR IB InfiniBand Switch Module mounted in
5. e if any parts are missing or damaged Audience 3 The fasteners specified in Table 1 1 Fasteners are required to secure the bracket to the rack columns These fasteners are provided with HP 10000 series racks Table 1 1 Fasteners Qty Size Format Torque Description 2 M6 cage nuts Square nut N A Cage nut for M6 machine screw A square nut that clips into the rear face of the rack column 2 M6 screws Pan head machine 25 30 in lb Rack machine screw For use with M6 cage nut screw To prevent screws from becoming loose because of vibration HP recommends that you use an adjustable torque drive set to the torque specifications given in the table above Required Resources To install the c Class blade cable management bracket you require the following resources e Tools Screwdriver 2 medium Phillips Cage nut insertion tool shipped with the rack or a flat bladed screwdriver Marker pen or masking tape Short stepladder or platform that enables you to install brackets in the upper part of the rack e Resources Cables of the type used by the system interconnect Prerequisites 4 9 Wa Before you begin to mount the bracket e Follow the usual cable handling precautions for InfiniBand cables see the HP Cluster Platform InfiniBand Interconnect Installation and User s Guide Ensure you know how to plug in the InfiniBand cables as described in see the HP Cluster Platform InfiniBand Interconnect
6. the rear of the c Class server blade enclosure to another switch module or to a similar interconnect device The kit provides strain relief for the cables connected to the individual InfiniBand interconnect ports and ensures a good connection It also ensures the correct bend radius for the cable and provides channels for cable routing and cable management One cable management bracket is required for each InfiniBand switch module A NOTE The cable management bracket is designed to support 0 357 inch 9 0678 mm diameter 0 438 inch 11 1252 mm diameter and 0 309 inch 7 8486 mm diameter InfiniBand cables Consult the documentation supplied with your model of HP Cluster Platform before installing the brackets and routing the cables Kit Contents Verify that kit contains the following components e Packaging and documentation e The bracket hardware shown in Figure 1 1 Bracket Hardware Figure 1 1 Bracket Hardware The c Class server blade enclosure cable management bracket is used in HP Cluster Platform configurations however it might be adapted to other HP Cluster Platform cable management applications see the installation documentation for your hardware The following features are called out in the illustration above Bracket mounting hook and rack attachment hole for the rack fasteners described in Table 1 1 Fasteners 9 locking cable clips preinstalled in the bracket Contact your HP sales representativ
7. to its next point of support as defined by the cable management solution for blades clusters 11 Repeat steps 7 through 10 until all cable connections are completed 12 To disconnect a cable unlatch its locking mechanism and remove it from the port by pulling on the headshell You can leave the cable secured in the clip when making a temporary disconnection or when extending the blades enclosure from the front of the rack as shown in Figure 3 2 8 Figure 3 2 Cables Installed a 17 Itis not normally necessary to dismantle or remove the bracket in order to perform any service operations on the blades enclosure such as replacing InfiniBand switch modules However if you need to remove the bracket use the following procedure 1 2 Bring the cluster and the rack to a power safe and stable state Disconnect all cables and secure them out of the work area ensuring that the cables remain within their specified bend radius while they are not supported by the bracket Remove the two M6 screws that secure the bracket to the rack Unhook and remove the bracket from the rack columns Installing and Using the Bracket
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