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7/26/2019 HP MSA 2040 Cable Configuration Guide (729691-001, July 2013)
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HP MSA 2040Cable Configuration Guide
AbstractThis document contains cable configuration information for HP MSA 2040 controller enclosures and supported expansion driveenclosures.
HP Part Number: 729691-001Published: July 2013Edition: 1
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Copyright 2013 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.
Acknowledgments
Microsoft, Windows, Windows XP, and Windows NT are U.S. registered trademarks of Microsoft Corporation.
Warranty
WARRANTY STATEMENT: To obtain a copy of the warranty for this product, see the warranty information website:
http://www.hp.com/go/storagewarranty
Revision History
July 2013Revision # 1
Initial release
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Contents
1 Overview .................................................................................................4About this document.................................................................................................................4Complete system example..........................................................................................................4Configuration notes...................................................................................................................5
2 Connecting the MSA 2040 array to remote management hosts........................63 Connecting the MSA 2040 array to expansion drive enclosures........................7Supported expansion drive enclosures.........................................................................................7Drive enclosure connection guidelines.........................................................................................7Fault-tolerant and straight-through drive enclosure cabling..............................................................7
Fault-tolerant cabling example...............................................................................................7Straight-through cabling example...........................................................................................8
Single drive enclosure configurations.........................................................................................10Connecting a single MSA 2040 drive enclosure.....................................................................10Connecting a single D2700 drive enclosure...........................................................................10
Homogeneous drive enclosure configurations.............................................................................11
Connecting multiple D2700 drive enclosures.........................................................................11Mixed-connect drive enclosure configurations.............................................................................12Connecting an MSA 2040/D2700 mixed-connect configuration..............................................12
Maximum number of drives example: D2700 drive enclosures......................................................13Maximum number of enclosures example: MSA 2040 drive enclosures..........................................14
4 Support and other resources......................................................................15Contacting HP........................................................................................................................15
Subscription Service...........................................................................................................15Related information.................................................................................................................15
Websites..........................................................................................................................15Typographic conventions.........................................................................................................16
Customer self repair................................................................................................................165 Documentation feedback...........................................................................18
A Regulatory information..............................................................................19Turkey RoHS material content declaration...................................................................................19Ukraine RoHS material content declaration................................................................................19
Warranty information..............................................................................................................19
Contents 3
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1 Overview
About this documentThis document contains cable configuration information for HP MSA 2040 controller enclosuresand supported expansion drive enclosures. The information is for the person who installs,administers, and troubleshoots servers and storage systems. HP assumes that you are qualified in
servicing and installing computer equipment, and are trained in recognizing hazards in productsand hazardous energy levels.
For complete information on installing and configuring your product, see the user guide providedwith your HP MSA 2040. User documents are provided on the HP MSA 2040 SW Support andDocumentation DVD shipped with the product.For the latest version of a document, see the HPManuals website: http://www.hp.com/support/msa2040/manuals.
Complete system exampleThe following figure shows an example of a dual-controller, direct-connect enclosure configurationwith two servers accessing the storage.
Two servers are direct-connected to a dual-controller HP MSA 2040 array. The MSA 2040 arrayis in turn connected to two dual-I/O module HP MSA 2040 6Gb 3.5 12-drive enclosures usingMini-SAS to Mini-SAS cables.
1. Server
2. Server
3. MSA 2040 arrayenclosure
4. MSA 2040 driveenclosure
5. MSA 2040 driveenclosure
4 Overview
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Configuration notes A maximum of eight enclosures (including the controller enclosure) are allowed in the storage
system.
For Windows computers that are cabled to the MSA 2040 controller CLI port, a special devicedriver file must be downloaded and installed on the Windows computer prior to using the CLIport. This device driver file can be found on theHP MSA 2040 SW Support and DocumentationDVD that is included with your system and at http://www.hp.com/support/msa2040: click
HP Support & Drivers, select your product, clickDownload drivers and software, select yourWindows operating system, and then selectDriver - Storage Controller.
NOTE: Connecting to the CLI port is an out-of-band connection because it communicates outsideof the data paths used to transfer information from a computer or network to the controller enclosure.
An in-band connection can also be used to configure a new controller. If an in-band connectionis used, cabling to the CLI port might not be necessary. This method uses the Discovery utility ontheHP MSA 2040 SW Support and Documentation DVD that is included with your system. Usingthe Discovery utility is the best way to discover the controllers' IP addresses automatically, as youcan use them to log into and manage your controllers using a web browser for the SMU web-basedinterface or Telnet for the CLI.
Configuration notes 5
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2 Connecting the MSA 2040 array to remote managementhosts
The management host manages systems out-of-band over an Ethernet network.
To connect the MSA 2040 array to a remote management host, connect an RJ-45 Ethernet cablefrom the Ethernet network management port on each MSA 2040 controller to a switch that your
management host can access (preferably on the same subnet).
6 Connecting the MSA 2040 array to remote management hosts
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3 Connecting the MSA 2040 array to expansion driveenclosures
To connect the MSA 2040 array to expansion drive enclosures, connect a Mini-SAS to Mini-SAScable from the SAS expansion port on each MSA 2040 controller to an I/O module in the driveenclosure. Cabling varies, depending on which of the two supported cabling schemes you use:
Fault-tolerant cabling Straight-through cabling
For more information about these cabling schemes, seeFault-tolerant and straight-throughcabling (page 7)
For more information about your MSA 2040, see the HP MSA 2040 Best Practices guide, availableon the HP website (http://www.hp.com/support/msa2040/BestPractices ).
Supported expansion drive enclosuresThe MSA 2040 supports the following drive enclosures:
DescriptionDrive enclosure model
3.5 12-drive enclosureHP MSA 2040
3.5 12-drive enclosureHP P2000
2.5 25-drive enclosureHP D2700
Drive enclosure connection guidelines Expansion drive enclosures can be connected to an operational MSA 2040 array.
Use only supported cables. For more information, see the MSA 2040 QuickSpecs, available
on the HP website: http://www.hp.com/go/msa2040/quickspecs. Mini-SAS to Mini-SAS 0.5 m (1.64 ft) cables are provided with the MSA 2040, P2000, and
D2700 drive enclosures (one for each I/O module).
The maximum length cable supported for connecting drive enclosures is 2 m (6.56 ft).
Cables longer than those supplied with the drive enclosure must be purchased separately. Fora list of cables available from HP, see theHP MSA 2040 QuickSpecs.
Eight enclosures maximum (including the array enclosure) are supported.
Fault-tolerant and straight-through drive enclosure cablingMSA 2040 firmware supports both fault-tolerant and straight-through SAS cabling.
Fault-tolerant cabling allows any drive enclosure to fail or be removed while maintaining accessto other enclosures. When connecting multiple drive enclosures, use fault-tolerant cabling to ensurethe highest level of fault tolerance.
Straight-through cabling does not provide the same level of fault-tolerance as fault-tolerant cabling,but does provide some performance benefits as well as ensuring that all disk are visible to thearray.
Fault-tolerant cabling exampleThe following figure shows an MSA 2040 array connected to two D2700 drive enclosures usingfault-tolerant cabling.
Supported expansion drive enclosures 7
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I/O modules A on the drive enclosures are shaded green. I/O modules B on the drive enclosuresare shaded red. Fault-tolerant cabling requires that you connect MSA 2040 controller A to I/Omodule A of the first drive enclosure and cascade this connection on to I/O module A of the lastdrive enclosure (shown in green). Likewise, you must connect MSA 2040 controller B to I/O moduleB of the last drive enclosure and cascade this connection on to I/O module B of the first driveenclosure (shown in red).
Straight-through cabling exampleThe following figure shows An MSA 2040 array connected to two D2700 drive enclosures usingstraight-through cabling.
Straight-through cabling requires that you connect MSA 2040 controller A to I/O module A of thefirst drive enclosure which is in turn connected to I/O module A of the last drive enclosure (shownin green). MSA 2040 controller B is connected to I/O module B of the first drive enclosure whichis in turn connected to I/O module B of the last drive enclosure (shown in red).
IMPORTANT: Fault-tolerant cabling provides the highest level of fault-tolerance protection for thearray. Using straight-through cabling can sometimes provide increased performance in the array;however, it also increases the risk of losing access to one or more enclosures in the event of anenclosure failure or removal.
8 Connecting the MSA 2040 array to expansion drive enclosures
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Fault-tolerant and straight-through drive enclosure cabling 9
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Single drive enclosure configurationsThe following illustrations show examples of expanding storage from an MSA 2040 controllerenclosure to a single drive enclosure.
Connecting a single MSA 2040 drive enclosureThe following figure shows a dual-controller MSA 2040 array connected to a dual-I/O moduleMSA 2040 drive enclosure.
Connecting a single D2700 drive enclosureThe following figure shows a dual-controller MSA 2040 array connected to a dual-I/O moduleD2700 drive enclosure.
10 Connecting the MSA 2040 array to expansion drive enclosures
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Homogeneous drive enclosure configurationsThe following illustration shows expanding storage from MSA 2040 controller enclosures to multiplehomogeneous drive enclosures, that is, drive enclosures of the same model.
Connecting multiple D2700 drive enclosuresThe following figure shows a dual-controller MSA 2040 array connected to two D2700 driveenclosures.
1. MSA 2040 arrayenclosure
2. D2700 drive enclosure
3. D2700 drive enclosure
Homogeneous drive enclosure configurations 11
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Mixed-connect drive enclosure configurationsThe following illustration shows an example of expanding storage from an MSA 2040 arrayenclosure to multiple drive enclosures of different models.
Connecting an MSA 2040/D2700 mixed-connect configurationThe following figure shows a dual-controller MSA 2040 array connected to MSA 2040 and D2700drive enclosures. There are no restrictions to the order of enclosures when adding MSA 2040 drive
enclosures and D2700 drive enclosures.
1. MSA 2040 arrayenclosure
2. MSA 2040 driveenclosure
3. D2700 drive enclosure
12 Connecting the MSA 2040 array to expansion drive enclosures
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Maximum number of drives example: D2700 drive enclosuresThe following figure shows an example of an array configuration that demonstrates the maximumnumber of drives that are allowed in an array configuration.
An MSA 2040 array is connected to seven D2700 drive enclosures. Each D2700 drive enclosurecontains 25 disk drives and the MSA 2040 SFF controller enclosure contains 24 disk drives.Combined, the total number of disk drives in this array configuration add up to the maximum 199drives allowed.
NOTE: When connecting more than two drive enclosures, you may be required to purchaseadditional 1m or 2m cables. Spanning 6 or 7 enclosures requires a 2m mini-SAS cable to enablethe proper bend radius.
1. MSA 2040 arrayenclosure
2. D2700 drive enclosure
3. D2700 drive enclosure
4. D2700 drive enclosure5. D2700 drive enclosure
6. D2700 drive enclosure7. D2700 drive enclosure
8. D2700 drive enclosure
Maximum number of drives example: D2700 drive enclosures 13
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Maximum number of enclosures example: MSA 2040 drive enclosuresThe following figure shows an example of an array configuration that demonstrates the maximumnumber of enclosures (eight, including the controller enclosure) that are allowed in an arrayconfiguration.
An MSA 2040 array is connected to seven MSA 2040 drive enclosures. Each MSA 2040 driveenclosure contains 12 drives, and the MSA 2040 LFF controller enclosure contains 12 drives.Combined, the total number of drives adds up to 96 LFF drives, but no additional enclosures can
be connected, because the maximum of 8 enclosures has already been reached.NOTE: When connecting more than two drive enclosures, you may be required to purchaseadditional 1m or 2m cables. Spanning 6 or 7 enclosures requires a 2m mini-SAS cable to enablethe proper bend radius.
1. MSA 2040 arrayenclosure
2. MSA 2040 driveenclosure
3. MSA 2040 driveenclosure
4. MSA 2040 driveenclosure
5. MSA 2040 driveenclosure
6. MSA 2040 driveenclosure
7. MSA 2040 driveenclosure
8. MSA 2040 driveenclosure
14 Connecting the MSA 2040 array to expansion drive enclosures
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4 Support and other resources
Contacting HPFor worldwide technical support information, see the HP support website:
http://www.hp.com/support
Before contacting HP, collect the following information: Product model names and numbers
Technical support registration number (if applicable)
Product serial numbers
Error messages
Operating system type and revision level
Detailed questions
Subscription Service
HP strongly recommends that customers register online using the Subscriber's choice web site:http://www.hp.com/go/e-updates .
Subscribing to this service provides you with e-mail updates on the latest product enhancements,newest driver versions, and firmware documentation updates as well as instant access to numerousother product resources.
After subscribing, locate your products by selectingBusiness supportand thenStorageunderProduct Category.
Related informationThe following documents provide related information:
HP MSA 2040 Quick Start Instructions
HP MSA 2040 User Guide
HP MSA 2040 SMU Reference Guide
HP MSA 2040 CLI Reference Guide
HP MSA 2040 Event Descriptions Reference Guide
HP MSA System Racking Instructions
You can find these documents on the HP MSA 2040 user documents page:http://www.hp.com/support/msa2040/manuals
Websites HP MSA 2040 home page: http://www.hp.com/go/msa2040
HP MSA 2040 QuickSpecs: http://www.hp.com/go/msa2040/quickspecs
HP MSA 2040 firmware downloads: http://www.hp.com/support/msa2040/downloads
HP MSA 2040 user documents: http://www.hp.com/support/msa2040/manuals
HP MSA 2040 best practices: http://www.hp.com/support/msa2040/bestpractices
HP MSA 2040 Guided Troubleshooting: http://www.hp.com/support/msa2040/troubleshooting
HP Single Point of Connectivity Knowledge (SPOCK): http://www.hp.com/storage/spock
Contacting HP 15
http://www.hp.com/supporthttp://www.hp.com/go/e-updateshttp://www.hp.com/support/msa2040/manualshttp://www.hp.com/support/msa2040/manualshttp://www.hp.com/go/msa2040http://www.hp.com/go/msa2040/quickspecshttp://www.hp.com/support/msa2040/downloadshttp://www.hp.com/support/msa2040/manualshttp://www.hp.com/support/msa2040/bestpracticeshttp://www.hp.com/support/msa2040/troubleshootinghttp://www.hp.com/support/msa2040/troubleshootinghttp://www.hp.com/storage/spockhttp://www.hp.com/storage/spockhttp://www.hp.com/support/msa2040/troubleshootinghttp://www.hp.com/support/msa2040/troubleshootinghttp://www.hp.com/support/msa2040/bestpracticeshttp://www.hp.com/support/msa2040/manualshttp://www.hp.com/support/msa2040/downloadshttp://www.hp.com/go/msa2040/quickspecshttp://www.hp.com/go/msa2040http://www.hp.com/support/msa2040/manualshttp://www.hp.com/support/msa2040/manualshttp://www.hp.com/go/e-updateshttp://www.hp.com/support7/26/2019 HP MSA 2040 Cable Configuration Guide (729691-001, July 2013)
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Servers: http://www.hp.com/go/servers
Storage products:http://www.hp.com/storage
Storage Networking: http://www.hp.com/go/san
HP Support: http://www.hp.com/support
HP Manuals:http://www.hp.com/support/manuals
HP Downloads: http://www.hp.com/support/downloads White papers and Analyst reports: http://www.hp.com/storage/whitepapers
Typographic conventionsTable 1 Document conventions
ElementConvention
Cross-reference linksBlue text:Table 1 (page 16)
email addressesBlue, bold, underlined text
Website addressesBlue, underlined text: http://www.hp.com
Boldtext Keys that are pressed
Text typed into a GUI element, such as a box
GUI elements that are clicked or selected, such as menuand list items, buttons, tabs, and check boxes
Text emphasisItalic text
Monospace text File and directory names
System output
Code
Commands, their arguments, and argument values
Monospace, italic text Code variables
Command variables
Emphasized monospace textMonospace, bold text
WARNING! Indicates that failure to follow directions could result in bodily harm or death.
CAUTION: Indicates that failure to follow directions could result in damage to equipment or data.
IMPORTANT: Provides clarifying information or specific instructions.
NOTE: Provides additional information.
TIP: Provides helpful hints and shortcuts.
Customer self repairHP customer self repair (CSR) programs allow you to repair your HP product. If a CSR part needsreplacing, HP ships the part directly to you so that you can install it at your convenience. Someparts do not qualify for CSR. Your HP-authorized service provider will determine whether a repair
can be accomplished by CSR.
16 Support and other resources
http://www.hp.com/go/servershttp://www.hp.com/storagehttp://www.hp.com/go/sanhttp://www.hp.com/supporthttp://www.hp.com/support/manualshttp://www.hp.com/support/downloadshttp://www.hp.com/storage/whitepapershttp://www.hp.com/http://www.hp.com/http://www.hp.com/storage/whitepapershttp://www.hp.com/support/downloadshttp://www.hp.com/support/manualshttp://www.hp.com/supporthttp://www.hp.com/go/sanhttp://www.hp.com/storagehttp://www.hp.com/go/servers7/26/2019 HP MSA 2040 Cable Configuration Guide (729691-001, July 2013)
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For more information about CSR, contact your local service provider, or see the CSR website:
http://www.hp.com/go/selfrepair
Customer self repair 17
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5 Documentation feedbackHP is committed to providing documentation that meets your needs. To help us improve thedocumentation, send any errors, suggestions, or comments to Documentation Feedback([email protected]). Include the document title and part number, version number, or the URLwhen submitting your feedback.
18 Documentation feedback
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A Regulatory informationFor important safety, environmental, and regulatory information, see Safety and ComplianceInformation for Server, Storage, Power, Networking, and Rack Products, available athttp://www.hp.com/support/Safety-Compliance-EnterpriseProducts .
Turkey RoHS material content declarationTrkiye Cumhuriyeti: EEE Ynetmeliine Uygundur
Ukraine RoHS material content declaration , 3 2008 1057
Warranty information
HP ProLiant and X86 Servers and Options
http://www.hp.com/support/ProLiantServers-WarrantiesHP Enterprise Servershttp://www.hp.com/support/EnterpriseServers-Warranties
HP Storage Productshttp://www.hp.com/support/Storage-Warranties
HP Networking Productshttp://www.hp.com/support/Networking-Warranties
http://www.hp.com/support/Safety-Compliance-EnterpriseProductshttp://www.hp.com/support/Safety-Compliance-EnterpriseProductshttp://www.hp.com/support/ProLiantServers-Warrantieshttp://www.hp.com/support/EnterpriseServers-Warrantieshttp://www.hp.com/support/Storage-Warrantieshttp://www.hp.com/support/Networking-Warrantieshttp://www.hp.com/support/Networking-Warrantieshttp://www.hp.com/support/Storage-Warrantieshttp://www.hp.com/support/EnterpriseServers-Warrantieshttp://www.hp.com/support/ProLiantServers-Warrantieshttp://www.hp.com/support/Safety-Compliance-EnterpriseProductshttp://www.hp.com/support/Safety-Compliance-EnterpriseProducts