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Storage planning considerations include:

•

System and performance expectations

•

Striping methods

•

RAID levels

•

Disk drive sizes and types

•

Spare drives

•

Array sizing (capacity)

NOTE:

For the minimum supported configuration, and other configuration information, see the QuickSpecs
for the disk enclosure.

System and performance expectations

To help determine the best way to configure your storage, rank the following three storage
characteristics in order of importance:

•

Fault tolerance (high availability)

•

I/O performance

•

Storage efficiency

With priorities established, you can determine which striping method and RAID level to use; some
configuration methods offer greater fault tolerance, while other configuration methods offer better I/O
performance or storage efficiency.

Striping methods

There are two methods for configuring the physical layout of the disk arrays:

•

Vertical striping—the RAID array uses one physical drive from each disk enclosure.

•

Horizontal striping—the RAID array uses multiple drives contained within one or more disk enclos-
ures.

RAID levels

Controllers use RAID technology to group multiple disk drives together in larger logical units (LUNs).

Key RAID methods include the use of data striping, data mirroring, and parity error checking. Data
striping improves speed by performing virtual disk I/O with an entire group of physical disks at the
same time. Mirroring provides data redundancy by storing data and a copy of the data. Parity error
checking provides automatic detection and correction if corruption of a physical disk occurs.

Depending on the host environment, the following RAID levels are supported with this disk enclosure:
RAID0, RAID1, RAID5 and RAID6 with ADG. Each level uses a different combination of RAID methods
that impact data redundancy, the amount of physical disk space used, and I/O speed. After you
create a LUN, you cannot change the RAID level.

The following table compares the different RAID levels.

Installation

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Содержание PRINTER SERIES D2600

Страница 1: ... D2700 Disk Enclosure User Guide This guide describes the D2600 D2700 6Gb SAS disk enclosure Installation cabling configuration and troubleshooting procedures are included Part number 504227 002 Second edition February 2010 ...

Страница 2: ... be liable for technical or editorial errors or omissions contained herein 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 Description Date Edition Initial release Described server connect environments September 2009 First Added information about dual domain configurations reworked informa...

Страница 3: ... power and UID module LEDs 16 Unit identification UID button 17 Power on standby button 17 SAS cables 17 2 Technical specifications 19 Physical specifications 19 Power and environmental specifications 19 3 Deployment types 21 4 Installation 23 Installation overview 23 Required items 23 Preliminary tasks 24 Determining who will install and configure the disk enclosure 24 Confirming support for your...

Страница 4: ... 39 Power on procedures 39 Verifying the operating status of the disk enclosures 40 5 Configuration 41 Configuration overview 41 Supported software tools 41 6 Operation and management 43 Powering on disk enclosures 43 Powering off disk enclosures 44 Updating disk enclosure firmware 44 7 Cabling examples 45 Large Form Factor D2600 disk enclosures maximum capacity configuration 46 Small Form Factor ...

Страница 5: ...1 Contacting HP 61 Before you contact HP 61 HP contact information 61 Subscription service 61 Documentation feedback 62 Related information 62 Websites 62 Document conventions and symbols 62 Customer self repair 63 Rack stability 63 11 Regulatory compliance notices 65 Regulatory compliance identification numbers 65 Federal Communications Commission notice 65 FCC rating label 65 Class A equipment 6...

Страница 6: ...69 French notice 69 German notice 69 Greek notice 70 Hungarian notice 70 Italian notice 70 Latvian notice 70 Lithuanian notice 71 Polish notice 71 Portuguese notice 71 Romanian notice 71 Slovak notice 72 Spanish notice 72 Swedish notice 72 Turkish notice 72 Index 73 6 ...

Страница 7: ...be cascaded from the disk enclosure that is connected to the controller For more information see the QuickSpecs for the disk enclosure available on the D2000 website http www hp com go D2000 The enclosure and its components are detailed in the following sections Small Form Factor disk enclosure chassis page 8 Large Form Factor disk enclosure chassis page 9 Disk drives page 10 Front status and UID ...

Страница 8: ...ring Disk drives mount in bays on the front of the enclosure Bays are numbered sequentially from top to bottom and left to right Bay numbers are indicated on the left side of each drive bay Rear view 7 UID push button and LED 4 I O module A 1 Power supply 1 8 Enclosure status LEDs 5 I O module B 2 Power supply 2 9 Power push button and LED 6 Fan 2 3 Fan 1 Hardware 8 ...

Страница 9: ...k drives mount in bays on the front of the enclosure Bays are numbered sequentially from top to bottom and left to right A drive bay legend is included on the left bezel Rear view 7 UID push button and LED 4 I O module A 1 Power supply 1 8 Enclosure status LEDs 5 I O module B 2 Power supply 2 9 Power push button and LED 6 Fan 2 3 Fan 1 D2600 D2700 Disk Enclosure User Guide 9 ...

Страница 10: ...tterns are the same for SFF and LFF disk drives Description LED status LED color LED Used to locate drive Slow blinking Blue 1 Locate Fault Used for critical locate Medium blinking Used for reserved locate Fast blinking Drive fault Solid Amber Drive is spinning up or down and is not ready Blinking Green 2 Status Drive activity Fast blinking Ready for activity Solid Disk drive blanks To maintain th...

Страница 11: ...rming POST Blinking Power is on Solid No fault conditions or no power Off Amber 2 Fault A fault of lesser importance was detected in the enclosure chassis or modules Blinking A fault of greater importance was detected in the enclosure chassis or modules Solid Not being identified or power is off Off Blue 3 UID Unit is being identified from the management utility Blinking Unit is being identified f...

Страница 12: ...osures are not illuminated To turn off an illuminated UID light press the UID button The UID light on the front and the rear of the enclosure will turn off Power supply module Two power supplies provide the necessary operating voltages to all controller enclosure components If one power supply fails the remaining power supply is capable of operating the enclosure Replace any failed component as so...

Страница 13: ...led component as soon as possible NOTE If one of the two fan modules fail it can be hot replaced Fan module LED One bi color LED provides module status information Description LED status LED color No power Off Off The module is being identified Blinking Green Normal no fault conditions Solid Fault conditions detected Blinking Amber Problems detecting the module Solid D2600 D2700 Disk Enclosure Use...

Страница 14: ...al operation Large Form Factor I O module Small Form Factor I O module 4 Double 7 segment display 1 Manufacturing diagnostic port 5 I O module LEDs 2 SAS Port 1 3 SAS Port 2 I O module LEDs LEDs on the I O module provide status information about each I O port and the entire module NOTE The following image illustrates LEDs on the Small Form Factor I O module Hardware 14 ...

Страница 15: ...the I O module Solid No cable no power enclosure not detected Off n a n a 3 7 segment dis play The enclosure box number Number Not being identified or no power Off Blue 4 UID Module is being identified from the management utility Solid No power or firmware malfunc tion Off Green 5 Health Enclosure is starting up and not ready performing POST Blinking Normal power is on Solid Normal no fault condit...

Страница 16: ...r no power Off Blue 1 UID Unit is being identified either from the UID button being pushed or from the management utility On No power Off Green 2 Health Enclosure is starting up and not ready perform ing POST Blinking Normal power is on Solid Normal no fault condi tions Off Amber 3 Fault A fault of lesser import ance Blinking A fault of greater import ance Solid Power is on Solid Green 4 On Standb...

Страница 17: ...tandby button for a few seconds until the LEDs begin to illuminate To place an enclosure in standby press and hold the on standby button for a few seconds until the on standby LED changes to amber NOTE System power to the disk enclosure does not completely shut off with the power on standby button The standby position removes power from most of the electronics and components but portions of the po...

Страница 18: ...Hardware 18 ...

Страница 19: ...rate of change is 20ºC Hr 36ºF Hr Shipping 10 to 90 relative humidity Rh 28ºC 82 4ºF Maximum wet bulb temperature non condensing Operating Relative humidity Non operating maximum humidity of 95 is based on a temperature of 45 C 113 F Altitude maximum for stor age corresponds to a pressure minimum of 70 KPa 5 to 95 relative humidity Rh Non operating 3048 m 10 000 ft This value might be lim ited by ...

Страница 20: ...Technical specifications 20 ...

Страница 21: ...r dual domain In a server attached deployment the disk enclosure is connected to a controller card installed in a server Several models of controller cards are supported for use with this disk enclosure For more information see the QuickSpecs for the disk enclosure Controller enclosure attached single or dual domain In a controller enclosure attached deployment the disk enclosure is connected to a...

Страница 22: ...Deployment types 22 ...

Страница 23: ...s page 40 Required items Items required for installation include the following some of which ship with the disk enclosure Rack mounting kit Disk enclosure Disk drives and drive blanks SAS controller or controller enclosure SAS cables Power cables Access to a workstation on the server Access to the Internet NOTE A variety of disk drives SAS controllers controller enclosures and SAS cables are suppo...

Страница 24: ...k design Array hardware installation and activation of optional software Array initialization Verification that the implemented solution meets your specifications Availability of an HP Services Storage Specialist to answer questions during the deployment process Verification testing to confirm product functionality and adherence to HP installation quality standards On site orientation including hi...

Страница 25: ...mission critical Recommended service levels and appropriate related services for your particular disk enclosure model are listed on the QuickSpecs For more information see the Storage Services website http www hp com hps storage Gathering and recording information A brief worksheet is included on the getting started instructions that is shipped with the disk enclosure As you gather and identify th...

Страница 26: ...ng the RAID array uses one physical drive from each disk enclosure Horizontal striping the RAID array uses multiple drives contained within one or more disk enclos ures RAID levels Controllers use RAID technology to group multiple disk drives together in larger logical units LUNs Key RAID methods include the use of data striping data mirroring and parity error checking Data striping improves speed...

Страница 27: ...ty that data loss will oc cur when an array is configured with RAID6 is less than it would be if it was configured with RAID5 However write perform ance is lower than RAID5 be cause of the two sets of parity data Like RAID5 RAID6 gener ates and stores parity inform ation to protect against data loss caused by drive failure With RAID6 however two different sets of parity data are used allowing data...

Страница 28: ...ultiple spare disks so that multiple arrays can experience failure and successfully recover before administrative intervention would be required to replace the spare or failed disk When assigning a spare to an array the administrator chooses which arrays and how many arrays are protected by that spare Array sizing As a general rule the greater the number of drives that are included in an array the...

Страница 29: ...airflow If there are unused spaces in your rack attach blanking panels across those empty spaces to force the airflow through the components instead of through the open spaces Providing adequate and redundant sources of power Make sure that you have two high line power feeds installed near your computer These two power sources usually come from the same external power grid but occasionally might o...

Страница 30: ... disk enclosures switches and servers are of differing depths if you have more than one of a device mount those devices adjacent to one another to accommodate working behind the rack WARNING To reduce the risk of personal injury or damage to the equipment be sure that At least two people lift the storage system during removal or installation if the weight exceeds 22 7 kg 50 lb If the system is bei...

Страница 31: ...TE If installing rails in a square hole rack use larger sized shoulder screws and pins for mounting If installing rails in a round hole rack use smaller sized shoulder screws and pins for mounting 3 Slide the device into position on the rails 1 and then tighten the thumbscrews on the front of the device to secure the device to the rack NOTE The rear ends of the rails have a bracket that must engag...

Страница 32: ... sure the drive is fully seated in the drive bay and then close the latch handle When removing a disk drive press the release button and pull the drive only slightly out of the enclosure Then to allow time for the internal disk to stop rotating wait approximately 10 seconds before completely removing the drive from the enclosure Always populate hard drive bays starting with the lowest bay number I...

Страница 33: ...it locks in place IMPORTANT When a drive is inserted in an operational enclosure the drive LEDs flash to indicate that the drive is seated properly and receiving power 3 Determine the status of the hard drive see Drive status reporting IMPORTANT For proper airflow and cooling a drive blank must remain installed in all unused drive bays D2600 D2700 Disk Enclosure User Guide 33 ...

Страница 34: ...er card or controller enclosure Preparing the server When preparing servers for the disk enclosure be sure to do the following Record information about the server and environment server connect or controller enclosure connect that will connect to the disk enclosure Verify that the servers controllers operating system version and service packs are supported for use with the disk enclosure For more ...

Страница 35: ...ble cable between devices Shorter cables reduce the possibility of signal degradation that might occur over longer distances In addition shorter cables are easier to manage and route along the back of the rack Gather cables in the rear of the disk enclosure to ensure that the cabling in the back of the rack system does not interfere with system operation or maintenance Bind cables loosely with cab...

Страница 36: ...tion demonstrates connecting a disk enclosure to a server with an installed controller In your environment the disk enclosure might connect to a controller enclosure which then connects to the host or network Regardless of environment cabling principles from the disk enclosure to the host are the same Note the following when connecting cables P1 on the disk enclosure I O module is treated as the S...

Страница 37: ...sure controller or con troller enclosure available on the HP storage website http www hp com go storage Observe the following guidelines Only use supported SAS cables with mini SAS connectors Use provided color clues on the disk enclosure when cabling cascaded disk enclosures for example connect green ports to green ports connect I O module A on one disk enclosure to I O module A on the additional...

Страница 38: ...one of the disk enclosure power supplies fails Protects you from data loss when one of your power sources fails due to a pulled cable or tripped breaker The remaining power source can power the disk enclosure until the failed power source is restored or relocated Depending on the cause and duration of the power outage you can use this time to properly shut down your storage sub system Connected to...

Страница 39: ...tandby button on the rear of the disk enclosures until the system power LED illuminates solid green The LED on the power on standby button changes from amber to solid green indicating that the disk enclosure has transitioned from a standby state to fully powered 3 Wait a few minutes for the disk enclosures to complete their startup routines CAUTION If power is applied to the server before the disk...

Страница 40: ...ion about disk enclosure LEDs see Chapter 1 on page 7 Fault condition Operating condition Startup condi tion LED Disk enclosure component Off Solid green Blinking green 1 Health Front UID module L E D s Blinking or Solid Amber Off Blinking amber 2 Fault Off Off Blinking blue 3 UID Off Solid green Green Status Power supply module Blinking or solid amber Solid green Solid green Status Fan module nl ...

Страница 41: ...as setting the read write cache ratio setting the re build expand priority and setting the redundancy level Identifying the operating system type also called Host Mode or Profile of the host that will access the disk enclosure This ensures that the disk enclosure will communicate properly with that host Verifying that the configured storage is visible to the host Supported software tools A variety...

Страница 42: ...Configuration 42 ...

Страница 43: ...as transitioned from a standby state to fully powered 3 Wait a few minutes for the disk enclosures to complete their startup routines IMPORTANT If power is applied to the server before disk enclosures complete their startup routine the server might not properly discover the storage and may erroneously mark the drives as failed when the server is powered on 4 Apply power to the controller enclosure...

Страница 44: ...test available firmware installed To determine currently installed firmware and software versions on system components use management software utilities such as the HP System Management Homepage HP Systems Insight Manager HP SIM Storage Management Utility SMU or Command Line Interface CLI To obtain the latest available firmware and software see the HP website http www hp com support To perform the...

Страница 45: ...example best fault tolerance cabling Dual domain best performance cabling Dual domain alternative cabling IMPORTANT The following illustrations demonstrate connecting disk enclosures to a generic host Cabling restrictions may exist for server connect and controller enclosure connect environments For more information see the user documents for your controller or controller enclosure D2600 D2700 Dis...

Страница 46: ...nclosure I O module is treated as the SAS out port In single domain configurations one cable path is created between the host the primary disk en closure and additional cascaded disk enclosures Shown In dual domain configurations two cable paths are created between the host the primary disk enclosure and additional cascaded disk enclosures 1 Host server or controller enclosure 2 Primary disk enclo...

Страница 47: ... O module is treated as the SAS out port In single domain configurations one cable path is created between the host the primary disk en closure and additional cascaded disk enclosures Shown In dual domain configurations two cable paths are created between the host the primary disk enclosure and additional cascaded disk enclosures 1 Host server or controller enclosure 2 Primary disk enclosure 3 Add...

Страница 48: ...al cascaded disk enclosures provide dual domain connectivity The reversing of the cable paths ensures access to the storage even if the controller cable enclos ure I O module or enclosure power supply fails This example illustrates using a Small Form Factor disk enclosure with one additional cascaded disk enclosure When using Large Form Factor disk enclosures more than one additional disk enclosur...

Страница 49: ...e and to additional cascaded disk enclosures provide dual domain connectivity The symmetrical cabling pattern lowers latency and provides best possible performance This example illustrates using a Small Form Factor disk enclosure with one additional cascaded disk enclosure When using Large Form Factor disk enclosures more than one additional disk enclosure can be cascaded For more information see ...

Страница 50: ...The crossing of the cables between each disk enclosure offers both good fault tolerance and good performance but may be confusing to implement and maintain This example illustrates using a Small Form Factor disk enclosure with one additional cascaded disk enclosure When using Large Form Factor disk enclosures more than one additional disk enclosure can be cascaded For more information see the Quic...

Страница 51: ...ry remove and reinstall the power supplies to verify that they are seated properly b Remove and inspect AC power cords from both power supplies and reconnect them Diagnostic steps Is the enclosure front fault LED amber Actions Possible Reasons Answer No action required System functioning properly No Be sure that the Front Status and UID module is undamaged and is fully seated Check rear fault LEDs...

Страница 52: ...tact an authorized service provider for assistance The power on standby button has not been pressed firmly or held long enough The system might have experi enced a short Controller firm ware might be corrupted The system midplane and or power button LED assembly might need to be replaced Yes Is the power supply LED amber Actions Possible Reasons Answers Remove and inspect the AC power cords from b...

Страница 53: ...een Removing an active I O module can result in data loss Contact an authorized service provider for assistance The I O module is locked The I O module has failed Other fault condition exists Yes Is the fan LED amber Actions Possible Reasons Answers No action required Functioning properly No Be sure that the fan is undam aged and is fully seated Contact an authorized service provider for assistanc...

Страница 54: ...e with no spares assigned RAID6 with ADG configurations can tolerate simultaneous failure of two drives with no spares assigned Compromised fault tolerance If more disk drives fail than the fault tolerance method allows fault tolerance is compromised and the logical drive fails Factors to consider before replacing disk drives Before replacing a degraded drive Open HP SIM and inspect the Error Coun...

Страница 55: ...the rebuild is given over normal I O operations you can change the priority setting by using ACU The amount of I O activity during the rebuild operation The rotational speed of the disk drives The availability of drive cache The model and age of the drives The amount of unused capacity on the drives The number of drives in the array for RAID5 and RAID6 with ADG Allow approximately 5 minutes per gi...

Страница 56: ...rives perform a normal shutdown 3 Remove the failed drive and replace it with a drive that is of the same capacity For hot plug drives after you secure the drive in the bay the LEDs on the drive each flash once in an alternating pattern to indicate a successful connection The online LED flashes indicating that the controller recognized the drive replacement and began the recovery process 4 Power o...

Страница 57: ...s on your storage system successfully CAUTION Removing a component significantly changes the air flow within the enclosure Components or a blanking panel must be installed for the enclosure to cool properly If a component fails leave it in place in the enclosure until a new component is available to install Verifying component failure Consult HP technical support to verify that the hardware compon...

Страница 58: ...see the warranty information website http www hp com go storagewarranty To order a replacement part contact an HP authorized service provider or see the HP Parts Store online http www hp com buy parts Replacing the failed component CAUTION Components can be damaged by electrostatic discharge ESD Use proper anti static protection Always transport and store components in an ESD protective enclosure ...

Страница 59: ...ked on or oth erwise compressed Replacement instructions Printed instructions are shipped with the replacement part Instructions for all replaceable components are also posted to the HP website http www hp com support manuals Exploded view D2600 D2700 Disk Enclosure User Guide 59 ...

Страница 60: ...upply Mandatory 5 I O module Mandatory 6 Backplane Mandatory 7 Fan module Mandatory 8 Fan module interconnect board Not a CSR part 9 Drive cage Mandatory 10 Rear power UID module To order a replacement part contact an HP authorized service provider or see the HP Parts Store online http www hp com buy parts Replacement procedures 60 ...

Страница 61: ... HP United States website nl http welcome hp com country us en contact_us html To contact HP by phone Call 1 800 HP INVENT 1 800 474 6836 This service is available 24 hours a day 7 days a week For continuous quality improvement calls might be recorded or monitored If you have purchased a Care Pack service upgrade call 1 800 633 3600 For more inform ation about Care Packs see the HP website nl http...

Страница 62: ... Cross reference links and e mail addresses Blue text Document conventions and symbols Website addresses Blue underlined text http www hp com Keys that are pressed Text typed into a GUI element such as a box GUI elements that are clicked or selected such as menu and list items buttons tabs and check boxes Bold text Text emphasis Italic text File and directory names System output Code Commands thei...

Страница 63: ...ovider will determine whether a repair can be accomplished by CSR For more information about CSR contact your local service provider or see the CSR website nl http www hp com go selfrepair This product has no customer replaceable components Rack stability Rack stability protects personnel and equipment WARNING To reduce the risk of personal injury or damage to equipment Extend leveling jacks to th...

Страница 64: ...Support and other resources 64 ...

Страница 65: ...ing upon their intended installation Class A devices are those that might reasonably be expected to be installed in a business or commercial environment Class B devices are those that might reasonably be expected to be installed in a residential environment for example personal computers The FCC requires devices in both classes to bear a label indicating the interference potential of the device as...

Страница 66: ...Cet appareil numérique de la class A respecte toutes les exigences du Règlement sur le matériel brouilleur du Canada European Union notice This product complies with the following EU directives Low Voltage Directive 2006 95 EC EMC Directive 2004 108 EC Compliance with these directives implies conformity to applicable harmonized European standards European Norms which are listed on the EU Declarati...

Страница 67: ...Japanese power cord statement Korean notices Class A equipment Taiwanese notices BSMI Class A notice Chinese notice Recycling notices English notice D2600 D2700 Disk Enclosure User Guide 67 ...

Страница 68: ...Bulgarian notice Czech notice Danish notice Dutch notice Regulatory compliance notices 68 ...

Страница 69: ...Estonian notice Finnish notice French notice German notice D2600 D2700 Disk Enclosure User Guide 69 ...

Страница 70: ...Greek notice Hungarian notice Italian notice Latvian notice Regulatory compliance notices 70 ...

Страница 71: ...Lithuanian notice Polish notice Portuguese notice Romanian notice D2600 D2700 Disk Enclosure User Guide 71 ...

Страница 72: ...Slovak notice Spanish notice Swedish notice Turkish notice Türkiye Cumhuriyeti EEE Yönetmeliğine Uygundur Regulatory compliance notices 72 ...

Страница 73: ... enclosure 34 conventions documentation 62 text symbols 62 converting rack rails for round hole racks 31 Customer Self Repair CSR defined 57 63 parts list 58 website 63 D diagnostic steps 51 if the enclosure does not initialize 51 if the enclosure front fault LED is amber 51 if the enclosure rear fault LED is amber 52 if the fan LED is amber 53 if the I O module fault LED is amber 53 if the power ...

Страница 74: ...D module 11 I O module 14 of enclosure at startup 40 power supply module 12 rear power and UID module 16 M models compared 7 P parts replaceable 58 physical requirements 29 planning confirming support for components 24 confirming warranty support 25 identifying system components 25 installation 24 preparing the site 29 recording information 25 signing up for email alerts 25 the storage configurati...

Страница 75: ...ple cabling 46 47 software utilities supported 41 specifications environmental 19 general 19 power 19 startup sequence 39 43 status rear power and UID module disk drives 10 fan module 13 front status and UID module 11 I O module 14 power supply module 12 structural support 29 Subscriber s Choice HP 61 website 25 symbols in text 62 T Taiwanese notices 67 technical support HP 61 service locator webs...

Страница 76: ...76 ...

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