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Summary of Contents for totalstorage fastt100

Page 1: ...IBM TotalStorage FAStT100 Storage Server Installation User s and Maintenance Guide GC26 7641 00 ...

Page 2: ......

Page 3: ...IBM TotalStorage FAStT100 Storage Server Installation User s and Maintenance Guide GC26 7641 00 ...

Page 4: ...read the general information in Notices on page 111 First Edition June 2004 Copyright International Business Machines Corporation 2004 All rights reserved US Government Users Restricted Rights Use duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp ...

Page 5: ...dous to you A danger statement is placed just before the description of a potentially lethal or extremely hazardous procedure step or situation v Caution These statements indicate situations that can be potentially hazardous to you A caution statement is placed just before the description of a potentially hazardous procedure step or situation v Attention These notices indicate possible damage to p...

Page 6: ...re water or structural damage v Disconnect the attached power cords telecommunications systems networks and modems before you open the device covers unless instructed otherwise in the installation and configuration procedures v Connect and disconnect cables as described in the following table when installing moving or opening covers on this product or attached devices To Connect To Disconnect 1 Tu...

Page 7: ...rviceable parts inside the device v Use of controls or adjustments or performance of procedures other than those specified herein might result in hazardous radiation exposure DANGER Some laser products contain an embedded Class 3A or Class 3B laser diode Note the following Laser radiation when open Do not stare into the beam do not view directly with optical instruments and avoid direct exposure t...

Page 8: ...d the power switch on the power supply do not turn off the electrical current supplied to the device The device also might have more than one power cord To remove all electrical current from the device ensure that all power cords are disconnected from the power source 1 2 vi IBM TotalStorage FAStT100 Storage Server Installation User s and Maintenance Guide ...

Page 9: ...as the following label attached Hazardous voltage current and energy levels are present inside any component that has this label attached There are no serviceable parts inside these components If you suspect a problem with one of these parts contact a service technician Safety vii ...

Page 10: ...viii IBM TotalStorage FAStT100 Storage Server Installation User s and Maintenance Guide ...

Page 11: ...ervice and support xxvi Hardware service and support xxvi Fire suppression systems xxvi How to send your comments xxvi Chapter 1 Introduction 1 Overview 1 Fibre channel defined 2 SATA defined 2 Product updates 2 Features at a glance 3 Clustering support 3 Inventory checklist 4 Best practices guidelines 4 Storage server components 5 Hot swap drive bays 5 Front controls and indicators 6 Back view 7 ...

Page 12: ...ting an LC LC cable to an SFP module 44 Removing an LC LC fibre channel cable 45 Using LC SC fibre channel cable adapters 46 Connecting an LC SC cable adapter to a device 47 Removing an LC LC cable from an LC SC cable adapter 48 Connecting hosts to the RAID controllers 49 Connecting secondary interface cables 50 Power cabling 50 Installing the Storage Manager client 52 Connecting expansion units 5...

Page 13: ...onfiguration 91 Chapter 6 Hardware maintenance 95 General checkout 95 Using the diagnostic hardware 95 Solving problems 95 Parts listing 99 Appendix A Records 103 Identification numbers 103 Installed device records 103 Appendix B Rack mounting template 105 Appendix C Power cords 109 Notices 111 Trademarks 111 Important notes 112 Electronic emission notices 112 Federal Communications Commission FCC...

Page 14: ...xii IBM TotalStorage FAStT100 Storage Server Installation User s and Maintenance Guide ...

Page 15: ...Factor Pluggable SFP Module 41 29 Installing an SFP module into the host port 41 30 Unlocking the SFP module latch plastic variety 42 31 Unlocking the SFP module latch wire variety 42 32 Removing caps from fiber optic cables 43 33 Connecting cables to the installed SFP 43 34 LC LC fibre channel cable 44 35 Removing fiber optic cable protective caps 45 36 Inserting an LC LC fibre channel cable into...

Page 16: ... of SFPs and fiber optic cables 84 65 Unlocking the SFP module latch plastic variety 85 66 Unlocking the SFP module latch wire variety 85 67 Pull rings for removing a controller 86 68 Controller battery access panel screws 86 69 Removing the controller battery 87 70 Installing a new RAID controller 91 71 Cabling the FAStT100 to a redundant loop 92 72 FAStT100 parts list 100 73 Front rack mounting ...

Page 17: ...5 TotalStorage FAStT related document titles by user tasks xxiii 6 TotalStorage FAStT Storage Manager Version 8 4 titles by user tasks xxiv 7 Features at a glance 3 8 IBM TotalStorage FAStT100 specifications 10 9 Alignment pin requirements for different rack flange hole types 19 10 Storage server LEDs front 63 11 RAID controller LEDs 64 12 Fan LED 66 13 Power supply LEDs 66 14 Drive LED activity 7...

Page 18: ...xvi IBM TotalStorage FAStT100 Storage Server Installation User s and Maintenance Guide ...

Page 19: ...5 Installing and replacing components on page 69 contains step by step instructions for how to install or remove customer replaceable units CRUs such as hard disk drives power supplies RAID controllers and fan units Chapter 6 Hardware maintenance on page 95 contains problems symptoms and error messages that are specific to your storage server Appendix A Records on page 103 provides a table that yo...

Page 20: ...and User s Guides Online Help Determine Management Method FC Planning and Integration User s Guide and Svc Info FAStT Storage Server publications The following tables present an overview of the FAStT900 FAStT700 FAStT600 and FAStT100 Fibre Channel Storage Server product libraries as well as other related documents Each table lists documents that are included in the libraries and what common tasks ...

Page 21: ... U IBM TotalStorage FAStT FC2 133 Dual Port Host Bus Adapter Installation and User s Guide GC26 7532 U U IBM FAStT FC2 133 Host Bus Adapter Installation and User s Guide 48P9823 U U IBM TotalStorage FAStT900 Rack Mounting Instructions 19K0900 U U IBM Fibre Channel Planning and Integration User s Guide and Service Information SC23 4329 U U U U IBM FAStT Management Suite Java User s Guide 32P0081 U ...

Page 22: ...port Guide 32P0171 U U U IBM FAStT700 Fibre Channel Cabling Instructions 32P0343 U U IBM FAStT700 Fibre Channel Storage Server User s Guide 32P0341 U U U IBM FAStT FC2 133 Dual Port Host Bus Adapter Installation and User s Guide GC26 7532 U U IBM TotalStorage FAStT FC2 133 Host Bus Adapter Installation and User s Guide 48P9823 U U IBM FAStT Management Suite Java User s Guide 32P0081 U U IBM TotalS...

Page 23: ... TotalStorage FAStT Fibre Channel Problem Determination Guide GC26 7642 U IBM TotalStorage FAStT FC2 133 Dual Port Host Bus Adapter Installation and User s Guide GC26 7532 U U IBM TotalStorage FAStT600 Rack Mounting Instructions 24P8125 U U IBM TotalStorage FAStT600 Cabling Instructions 24P8126 U U FAStT100 Storage Server library Table 4 associates each document in the FAStT100 Storage Server libr...

Page 24: ...annel Cabling Instructions 24P8973 U U IBM TotalStorage FAStT FC2 133 Dual Port Host Bus Adapter Installation and User s Guide GC26 7532 U U IBM FAStT FC2 133 Host Bus Adapter Installation and User s Guide 48P9823 U U IBM TotalStorage FAStT Fibre Channel Hardware Maintenance Manual GC26 7640 U IBM TotalStorage FAStT Fibre Channel Problem Determination Guide GC26 7642 U xxii IBM TotalStorage FAStT1...

Page 25: ...xpansion Unit Release Notes GC26 7619 U U IBM TotalStorage FAStT EXP100 Storage Expansion Unit Installation and Users Guide GC26 7601 U U U U U Fibre Channel Solutions IBM FAStT EXP500 Installation and User s Guide 59p5637 U U U U U IBM EXP700 Storage Expansion Unit Installation and User s Guide 32P0178 U U U U U IBM Netfinity Fibre Channel Cabling Instructions 19K0906 U IBM Fibre Channel SAN Conf...

Page 26: ...cript Commands see product CD U IBM TotalStorage FAStT Fibre Channel Hard Drive and Storage Expansion Enclosure Installation and Migration Guide GC26 7639 U U U IBM TotalStorage FAStT Storage Manager Concepts Guide GC26 7560 U U U U U U Getting information help and service If you need help service or technical assistance or just want more information about IBM products you will find a wide variety...

Page 27: ...stem and preinstalled software if any is available in the documents that come with your system This includes printed documents online documents readme files and help files See the troubleshooting information in your system documentation for instructions on how to use the diagnostic programs The troubleshooting information or the diagnostic programs might tell you that you need additional or update...

Page 28: ... authorized by IBM to provide warranty service Go to the following Web site for support telephone numbers www ibm com planetwide In the U S and Canada hardware service and support is available 24 hours a day 7 days a week In the U K these services are available Monday through Friday from 9 a m to 6 p m Fire suppression systems A fire suppression system is the responsibility of the customer The cus...

Page 29: ...Exchange USIB3WD at IBMMAIL You can also mail your comments by using the Reader Comment Form in the back of this manual or direct your mail to International Business Machines Corporation Information Development Dept GZW 9000 South Rita Road Tucson AZ 85744 0001 U S A About this document xxvii ...

Page 30: ...xxviii IBM TotalStorage FAStT100 Storage Server Installation User s and Maintenance Guide ...

Page 31: ...p to 3 5 terabytes TB of capacity per enclosure You can configure RAID protected storage solutions of up to 14 TB providing economical and scalable storage for your rapidly growing application needs for limited access data reference storage capacity The FAStT100 is designed with redundant 2 Gbps fibre channel connections for expanding the FAStT100 storage capacity to SATA hard drives in external E...

Page 32: ... of ATA SATA is designed to overcome the performance barriers that have been forecasted for current parallel technologies while maintaining the cost efficiency of Parallel ATA SATA specifications allow for thinner more flexible cables and lower pin counts It also enables easier more flexible cable routing management and the use of smaller connectors than is possible with the existing Parallel ATA ...

Page 33: ...v Modular components High capacity SATA disk drives RAID controllers Power supplies Cooling fans v Technology Support for disk arrays Support for clustering Fibre channel host interface Redundant data storage cooling system power system and RAID controllers Hot swap technology for drives power supplies fans and RAID controllers v User interface Built in power activity and fault Light Emitting Diod...

Page 34: ...BM SFP module v IBM LC LC fibre channel cable v IBM LC SC fibre channel cable for host side connections only Note You must order these options separately Software and documentation v IBM FAStT Storage Manager Version 8 42 CD including client software and firmware and online help and publications in Adobe Acrobat Portable Document Format PDF For a list of available IBM FAStT publications see FAStT ...

Page 35: ... listed in Turning on the storage server on page 57 Check that each component of the subsystem is powered on in the proper order during this entire power up procedure to ensure the controller will be able to optimally access all of your storage subsystems v The storage subsystem supports simultaneous power up to the system components however you should always follow the power up sequence listed in...

Page 36: ...ard are digitally signed together at the factory Do not swap drives and interposers between drive CRUs Do not replace one SATA drive with another SATA drive These actions will result in a drive CRU that cannot be recognized by the storage server RAID controller Note If the hard disk drive you want to remove is not in a failed or bypass state always use the Storage Manager client program either to ...

Page 37: ...the storage server has dc power v Tray handle Use this multipurpose handle to insert and remove a drive CRU in the bay Back view Figure 4 shows the components at the back of the storage server RAID controller Each RAID controller contains three ports for Small Form Factor Pluggable SFP modules that connect to the fibre channel cables Two of the SFP ports labelled Host 1 and Host 2 are for host ser...

Page 38: ... port is used for an RJ 45 10BASE T or 100BASE T Ethernet connection to each controller Use the Ethernet connection to directly manage the FAStT100 Expansion port The expansion port labelled Expansion is used to connect additional expansion units to the RAID controllers You first insert an SFP into the port and then connect a fibre channel cable Serialport The serial port is used by service person...

Page 39: ...page 29 1 Gbps 2 Gbps switch The default switch setting is 2 Gbps This is the only speed setting that is allowed for the FAStT100 Attention Do not remove the metal plate that covers the storage server speed setting Do not adjust the storage server speed setting Storage server operating environment This section provides general operating information about the FAStT100 All components plug directly i...

Page 40: ...nsing Heat dissipation v Fully configured storage server 14 1 5 Gbps SATA hard disk drives 1088 BTU per hour Acoustical noise emission values For open bay 0 drives installed and typical system configurations eight hard disk drives installed v Sound power idling 5 9 bel open bay 6 1 bel typical v Sound power operating 5 9 bel open bay 6 2 bel typical v Sound pressure idling 44 dBA open bay 46 dBA t...

Page 41: ...rom entering the intake of another piece of equipment you must position the racks in alternate rows back to back and front to front This arrangement is known as cold aisle hot aisle and is shown in Figure 6 on page 12 v Where racks are in rows each rack must touch the rack that is next to it to reduce the amount of hot air that can flow around from the back of the rack into the intakes of the stor...

Page 42: ...mm between center lines of hot and cold aisle Perforated tiles or gratings 1220 mm cold aisle width T42 racks T42 racks T42 racks f10ug001 Figure 6 Example of cold aisle hot aisle rack configuration 12 IBM TotalStorage FAStT100 Storage Server Installation User s and Maintenance Guide ...

Page 43: ...it from the shipping box in order to lighten the storage server See Removing the CRUs on page 20 2 Install the support rails in the rack See Installing the support rails on page 18 3 If necessary remove the CRUs from the FAStT100 See Removing the CRUs on page 20 4 Install the FAStT100 See Installing the FAStT100 into a rack on page 24 If necessary replace the CRUs in the FAStT100 See Replacing the...

Page 44: ...to your system unit without setting it down If it is necessary to set the device down place it in its static protective package Do not place the device on your system unit cover or on a metal table Take additional care when handling devices during cold weather because heating reduces indoor humidity and increases static electricity Preparing for installation Complete the following steps to prepare...

Page 45: ... disk drives that are installed A fully configured FAStT100 with two fans two power supplies two RAID controllers and up to 14 SATA hard disk drives installed weighs 40 8 kg 85 7 lbs Continue with Preparing the rack Preparing the rack Important Before you install the FAStT100 in a rack keep in mind the following considerations v Review the documentation that comes with your rack enclosure for safe...

Page 46: ... template on page 105 rather than the copies provided in this section Use the following templates Figure 7 on page 17 and Figure 8 on page 18 to identify the proper locations for inserting M6 screws when mounting the support rails and FAST100 to a rack The locations for the M6 screws are highlighted in the templates The FAStT100 is 3 U high Align the template with the rack at a U boundary U bounda...

Page 47: ... FRONT Rail assembly Front Right Rail assembly Front Left Bezel Front Left Bezel Front Right FAStT100 0 U 1 U 3 U 2 U 3 U 2 U 1 U 0 U f10ug058 Figure 7 Front rack mounting template Chapter 2 Installing the storage server 17 ...

Page 48: ...install the support rails Note Refer to Figure 10 on page 20 while performing these steps 1 Ensure that the rack has already been installed 2 Ensure that a stabilizer has been correctly attached to the bottom front of the rack to prevent the rack from tipping forward while the FAStT100 is being installed Refer to the installation and service guide or equivalent for the rack as required 3 Locate th...

Page 49: ...ree EIA units high Decide accordingly where you are going to install the support rails Attention Use the rack mounting template provided in Figure 7 on page 17 and Figure 8 on page 18 to locate the proper rack mounting holes for installing the support rails into the rack Note the following considerations before you choose where to install the rails v If you are installing the FAStT100 into an empt...

Page 50: ...are the finished the rail should be attached to the cabinet using one M6 screw in the front inserted at the second to lowest hole and two M6 screws at the back 9 Repeat step 5 through step 8 for the right rail 10 Tighten the rail adjustment screws 2 on both rails 11 Continue with Removing the CRUs Removing the CRUs Attention This section describes how to remove the CRUs in order to minimize the we...

Page 51: ... and a cart or level surface to hold the CRUs Observe the precautions listed in Handling static sensitive devices on page 14 In the following procedure you will remove the following CRUs from the storage server before you install it in the rack v RAID controllers v Power supplies v Fans v Hot swap hard disk drives You do not need to remove the blank trays Statement 4 18 kg 39 7 lb 32 kg 70 5 lb 55...

Page 52: ...supply 1 Grasp the pull ring on the power supply lever and squeeze the latch to release it 2 Pull the lever open 90 and remove the power supply as shown in Figure 12 3 Place the power supply on a level surface 4 Repeat step 1 through step 3 for the second power supply f10ug033 Figure 11 Removing a RAID controller Pull ring Lever f10ug054 Figure 12 Removing a power supply 22 IBM TotalStorage FAStT1...

Page 53: ... drive comes installed in a drive tray Do not attempt to detach the drive from the tray 1 Use Table 17 on page 103 to record the location and identify your FAStT SATA hard disk drives You must record this information to be able to replace the hard disk drives in their original order before they were removed 2 Release the latch on the drive CRU by pinching together the blue line on the tray latch a...

Page 54: ...he rack Note If you have removed the CRUs from the FAStT100 you should be able to lift the unit into the cabinet with the help of one other person If you have not removed the CRUs before the installation you should have at least two other people available to help you lift the unit into the rack a Move the FAStT100 to the front of the rack mount cabinet b With help from another person place the bac...

Page 55: ... see Figure 7 on page 17 Gently tighten the screws to secure the bezel and the front of the FAStT100 to both of the front cabinet rails Attention Do not overtighten If you overtighten these screws you could break the bezel d From the back of the rack insert the two 6 32 in screws 5 in Figure 10 on page 20 one on each side in the holes on the side of the unit Tighten the screws 4 Continue with one ...

Page 56: ...g a power supply Complete the following steps to replace the power supplies that you removed before the installation 1 Slide one power supply into the storage server Be sure to replace the power supplies so that the lever on each power supply opens toward the interior of the storage server as shown in Figure 17 on page 27 Attention Be sure that the lever is pulled straight out as you slide the pow...

Page 57: ...y Replacing a fan Complete the following steps to replace the fan units that you removed before the installation 1 Place the fan in front of the fan bay 2 Ensure that you move the fan latch in the same direction as the arrow before you slide the fan all the way into the bay If the fan does not go into the bay rotate it 180 see Figure 18 Pull ring Lever f10ug054 Figure 17 Replacing a power supply f...

Page 58: ...hard disk drives 1 Lift up on the handle and gently push the drive CRU into the empty bay until the hinge of the tray handle latches beneath the storage server bezel 2 Push the tray handle down until the latch clicks into place 3 Repeat step 1 and step 2 to replace additional drives Setting the interface options The FAStT100 has two server ID switches that identify the FAStT100 on a fibre channel ...

Page 59: ...disk drive Server ID Enclosure ID settings The FAStT100 comes with a server ID switch also referred to as an enclosure ID switch that is used to identify the FAStT100 on a fibre channel loop The server ID switch is located on the back of the unit as shown in Figure 21 on page 30 1 Gb s 2 Gb s X10 X1 Tray Number Conflict 2 Gb s Enclosure Speed LED Green ID Conflict LED Amber 1 Gb s 2 Gb s X10 X1 Tr...

Page 60: ...ive loop problem troubleshooting in the event of an error If the ones digits are not unique two or more devices will have the same hard AL_PA In such a case the controller will use soft AL_PAs for the devices that have identical hard AL_PAs The problem with soft addressing is that addresses may change between LIPs This possibility increases the difficulty of troubleshooting drive loop problems sin...

Page 61: ...her of two ways host agent management or direct management Important If the operating system of the host server that the storage subsystem logical drive s is mapped to is not Microsoft Windows NT you have to make an out of band direct management connection to the storage subsystem to set the correct host type first Then the server will be able to recognize the storage subsystem correctly for in ba...

Page 62: ...tion to each controller You must install at least one management station The management station can be the host or a workstation on the Ethernet network A management station will have the client software installed Attach Ethernet cables to each management station one pair per storage server You will connect the cables to each controller later when you install the storage server Figure 23 on page 3...

Page 63: ...ansion units fibre channel cables and SFPs The FAStT100 supports redundant disk drive loop configurations Each RAID controller has three SFP ports These SFP ports are labeled Host 1 Host 2 and Expansion You can build a redundant drive loop by connecting one or more expansion units to the redundant RAID controllers Then use dual fiber optic cables to connect one expansion unit to another in a daisy...

Page 64: ...e channel configurations v Redundant host and drive fibre channel loop configurations as shown in Figure 24 on page 35 v Single SAN fabric zone configuration as shown in Figure 25 on page 36 v Dual SAN fabric zone configuration with an additional FAStT100 and an EXP100 attached as shown in Figure 26 on page 36 v Two clusters as shown in Figure 27 on page 37 Note These configurations have host and ...

Page 65: ...ost adapters FAStT100 FAStT100 Switch Switch Note Node level redundancy with cluster software FAStT100 Host system with two host adapters Host system with two host adapters f10ug028 Figure 24 Redundant host and drive fibre channel loop configurations Chapter 2 Installing the storage server 35 ...

Page 66: ...g043 Figure 25 Single SAN fabric zone configuration Host system with two host adapters Host system with two host adapters FAStT100 FAStT100 EXP100 Expansion unit Switch Switch f10ug042 Figure 26 Dual SAN fabric zone configuration 36 IBM TotalStorage FAStT100 Storage Server Installation User s and Maintenance Guide ...

Page 67: ... end of the cables to the controller later in the installation process For more information about handling fiber optic cables see Handling fiber optic cables on page 39 Note Do not install the Storage Manager client at this time if it is not already installed Install the storage server completely before you install the software because you cannot test the software installation until the hardware i...

Page 68: ...38 IBM TotalStorage FAStT100 Storage Server Installation User s and Maintenance Guide ...

Page 69: ... remove the covers Removing the covers of the laser product could result in exposure to hazardous laser radiation There are no serviceable parts inside the device v Use of controls or adjustments or performance of procedures other than those specified herein might result in hazardous radiation exposure Danger Some laser products contain an embedded Class 3A or Class 3B laser diode Note the followi...

Page 70: ... guide key designed to prevent you from inserting the SFP module improperly v Use minimal pressure when you insert the SFP module into a port Forcing the SFP module into a port could cause damage to the SFP module or the port v You can insert or remove the SFP module while the port is powered on v The operational loop performance is not affected when you install or remove an SFP module v You must ...

Page 71: ...vices on page 14 1 Remove the SFP module from its static protective package 2 Remove the protective cap from the SFP module as shown in Figure 28 Save the protective cap for future use 3 Remove the protective cap from the host port Save the protective cap for future use 4 Insert the SFP module into the host port until it clicks into place See Figure 29 5 Connect a fibre channel cable Protective ca...

Page 72: ...ward 90 as shown in Figure 31 3 With the SFP latch in the unlocked position extract the SFP module v For SFP modules that contain plastic tabs slide the SFP module out of the port v For SFP modules that contain wire tabs grasp the wire latch and pull the SFP module out of the minihub port 4 Replace the protective cap on the SFP module 5 Place the SFP module into a static protective package 6 Repla...

Page 73: ...e from the SFP then replace the protective caps Using LC LC fibre channel cables The LC LC fibre channel cable is a fiber optic cable that you use to connect into one of the following devices v An SFP module installed in an IBM FAStT100 v An SFP module installed in an IBM FAStT EXP100 Expansion Unit See Figure 34 on page 44 for an illustration of the LC LC fibre channel cable Protective cap Fiber ...

Page 74: ...ices or transmitters are installed note the following v Do not remove the covers Removing the covers of the laser product could result in exposure to hazardous laser radiation There are no serviceable parts inside the device v Use of controls or adjustments or performance of procedures other than those specified herein might result in hazardous radiation exposure DANGER Some laser products contain...

Page 75: ...C LC cable Save the protective caps for future use 6 Connect this end of the LC LC cable to the SFP module that is installed in a FAStT EXP100 Removing an LC LC fibre channel cable Complete the following steps to remove an LC LC fibre channel cable Attention To avoid damaging the LC LC cable or SFP module make sure that you press and hold the lever to release the latches before you remove the cabl...

Page 76: ...e Using LC SC fibre channel cable adapters The LC SC fibre channel cable adapter is a fiber optic cable that is used to connect an LC connector into one of the following devices that require SC connectors v 1 Gbps FC switch v FC Host Bus adapter For more information about connecting to these devices see the documentation that comes with the LC SC fibre channel cable adapter Figure 37 LC LC fibre c...

Page 77: ...ceable parts inside the device v Use of controls or adjustments or performance of procedures other than those specified herein might result in hazardous radiation exposure DANGER Some laser products contain an embedded Class 3A or Class 3B laser diode Note the following Laser radiation when open Do not stare into the beam do not view directly with optical instruments and avoid direct exposure to t...

Page 78: ...ce Removing an LC LC cable from an LC SC cable adapter Complete the following steps to remove an LC LC cable from an LC SC cable adapter Attention To avoid damaging the LC LC cable make sure you press and hold the lever to release the latches before you remove the cable from an LC SC cable adapter Ensure that both levers are in the released position when removing the cable When removing the cable ...

Page 79: ...ting hosts to the RAID controllers To connect a host adapter to the RAID controller perform the following steps 1 Install an SFP in a host port on the RAID controller 2 Connect the host system cables to the RAID controller or to switches Figure 44 on page 50 shows the location on the RAID controllers where the host system cables connect Figure 42 LC LC fibre channel cable lever and latches Figure ...

Page 80: ... server Incorrect use of the serial port can result in loss of data access and in some cases in loss of data Power cabling The storage server uses two standard power cords You can connect the power cords to a primary power unit inside the rack such as a properly grounded ac distribution unit or to an external source such as a properly grounded electrical outlet If you have not already done so atta...

Page 81: ...ge server s right and the left power supplies into two independent external power circuits through ac distribution units inside a rack cabinet or directly into external receptacles Similarly the right and left power supplies of the FAStT drive enclosures attached to the FAStT100 should be plugged into the same two independent external power circuits as the FAStT100 See Figure 47 on page 52 for an ...

Page 82: ... firmware version 5 42 xx xx is required for the FAStT100 However this version of the controller firmware should be used only for the FAStT100 Do not use controller firmware version 5 42 xx xx for any FAStT storage servers other than the FAStT100 Note Make sure that you start the Storage Manager client to continuously monitor the status of the storage server For information about the importance of...

Page 83: ... are connected as in the case of a new installation For hot case procedures the FAStT100 is powered on when expansion units are connected see Adding a FAStT EXP100 to an existing FAStT100 configuration on page 91 1 Follow the instructions in your expansion unit installation manual to set up and mount the new expansion unit 2 Use the following procedure and Figure 48 on page 54 to connect a single ...

Page 84: ...e FAStT EXP100 provides redundant loop support when the second ESM is configured and when both loops called A and B are connected to a FAStT storage server that supports redundant loops If a cable or SFP module fails on drive loop A drive loop B provides redundancy which is an alternate path to your disk drives Figure 49 on page 55 shows a redundant loop that you might create with a FAStT100 and t...

Page 85: ...undant drive loop connection 6 IBM SATA disk drives are dual ported providing individual access from two fibre channel loops to the same disk drive When configuring the ESMs configure the second ESM the same way that you configured the first ESM Refer to the Fibre Channel Cabling Instructions that come with your storage server for more information about dual loop support and implementation Each ES...

Page 86: ...56 IBM TotalStorage FAStT100 Storage Server Installation User s and Maintenance Guide ...

Page 87: ...g any maintenance or attended power up procedure carefully follow the power up sequence listed in Turning on the storage server You should check that each component of the subsystem is powered on in the proper order during this entire power up procedure to ensure that the controller will optimally access all of your storage subsystems v The storage subsystem supports simultaneous power up to the s...

Page 88: ...e corresponding IP address when you turn on the power to the array module For more information see the software installation guide for your operating system b You must turn on the expansion units before the storage server The controllers might not recognize the correct configuration if the drives are powered up after the storage server For instructions on how to power up the expansion units see th...

Page 89: ... current supplied to the device The device also might have more than one power cord To remove all electrical current from the device ensure that all power cords are disconnected from the power source 1 2 Perform the following steps to turn off the power 1 Before proceeding use the Storage Manager client to determine the status of the system components and special instructions The operating system ...

Page 90: ...ition If both fan CRUs fail or are unable to maintain an internal temperature below 70 C 158 F one or both of the power supplies in the storage server will shut down If both power supplies shut down the unit is inoperable The Storage Manager client warns you if the temperature of the unit is rising before it has risen sufficiently to shut down the power supplies The first warning comes when the st...

Page 91: ...ailure or a power outage occurred 1 After the emergency situation is over or power is restored check the storage server for damage If there is no visible damage continue with step 2 otherwise have your system serviced 2 After you have checked for damage ensure that the power supply switches are off then plug in the storage server power cords 3 Complete step 2 on page 58 to determine the proper pow...

Page 92: ...termine the nature of the failure v Locate the failed component v Determine the recovery procedures to repair the failure Although the storage server has fault LEDs these lights do not necessarily indicate which component has failed or needs to be replaced or which type of recovery procedure you must perform In some cases such as loss of redundancy in various components the fault LED does not turn...

Page 93: ... about the LEDs on the back of the storage server see v Figure 52 on page 66 v Table 11 on page 64 v Table 12 on page 66 Table 10 Storage server LEDs front LED Color Operating states1 Drive active Green v On Normal operation v Flashing The drive is reading or writing data v Flashing every 5 seconds The drive has not spun up or the drive is bad v Off One of the following situations has occurred The...

Page 94: ... Off Normal operation v On One of the following situations has occurred The RAID controller has failed The RAID controller was placed offline The controller battery had failed in conjunction with the battery LED in off state Host loop Green v On Normal operation v Off One of the following situations has occurred The host loop is down not turned on or not connected A SFP has failed or the host port...

Page 95: ...nnel cable is not attached to it The fibre channel cable is not attached to an expansion unit The attached expansion unit is not turned on An SFP has failed a fibre channel cable has failed or an SFP has failed on the attached expansion unit Expansion loop Green v On Normal operation v Off The RAID controller circuitry has failed or the RAID controller has no power 2Gbps Fibre channel port speed G...

Page 96: ...ntroller battery Each RAID controller in the FAStT100 contains 128 MB of cache data Each controller also contains a rechargeable battery that maintains data in the cache in the event of a power failure The following sections describe these features and their associated LEDs Cache memory Cache memory is memory on the RAID controller that is used for intermediate storage of read and write data Using...

Page 97: ...ides cache backup for up to three days in the event of a power loss The service life of the battery is three years after which time the battery must be replaced See the Storage Manager client for information on how to view and set the battery expiration date Each RAID controller has a green Battery LED on the back that indicates the battery status as follows v The LED is on and remains steady when...

Page 98: ...e 54 shows the location of the Battery LED on the front of the RAID controller Battery LED f10ug037 Figure 54 Battery LED 68 IBM TotalStorage FAStT100 Storage Server Installation User s and Maintenance Guide ...

Page 99: ...sibly damage the device v While the device is still in its static protective package touch it to an unpainted metal part of the storage server for at least two seconds This drains static electricity from the package and from your body v Remove the device from its package and install it directly into your storage server without setting it down If it is necessary to set the device down place it in i...

Page 100: ...ng bay you might lose data v Drive LEDs Each drive tray has two associated LEDs a green Activity LED and an amber Fault LED on the chassis of the FAStT100 These LEDs indicate the status for that drive See Table 14 for the drive LED states and descriptions Table 14 Drive LED activity LED LED state Descriptions Activity LED Flashing green The green LED flashes to indicate fibre channel activity to t...

Page 101: ...o release the drive CRU and then pull the blank tray out of the bay c Save the blank tray for later use 5 Install the hard disk drive Note The hard disk drive comes installed in a drive tray Do not attempt to detach the drive from the tray a Release the latch on the drive CRU by pinching together the blue line on the tray latch and the finger hole on the tray handle b Pull the handle on the tray o...

Page 102: ... to remove Attention Never hot swap a drive CRU when its green Activity LED is flashing Hot swap a drive CRU only when its amber Fault LED is on and not flashing or when the drive is inactive with the green Activity LED on and not flashing If the drive is not in a failed state as indicated by its lit amber LED manually fail the drive using the Storage Management client before attempting to remove ...

Page 103: ...iguration and restoration processes In addition other users are not able to use the storage server or any expansion units attached to the storage server until you finish the procedure You must use this method on RAID 0 logical drives v Replacing the drives one at a time In this method you manually fail each drive replace it and wait for the system to restore data to the new drive before installing...

Page 104: ...ompare the kit instructions with this procedure to determine if you need to modify this procedure 2 Use the Storage Manager client to check the status of the storage server Correct any problems that are reported 3 Perform a complete backup of the drives that you are replacing You need the backup to restore data on the drives later in this procedure Attention When you handle static sensitive device...

Page 105: ...e Ethernet switches and management stations before you turn off power to the storage server b You must turn on the expansion units before the storage server The controllers might not recognize the correct configuration if the drives are powered up after the storage server For instructions on powering up the expansion units see the expansion unit documentation c Turn on the power to the storage ser...

Page 106: ... reported 3 Back up the data on the drives that you are replacing Attention When you handle static sensitive devices take precautions to avoid damage from static electricity For details about handling static sensitive devices see Handling static sensitive devices on page 69 4 Unpack the new drives Set the drives on a dry level surface away from magnetic fields Save the packing material and documen...

Page 107: ...n Wait for data reconstruction to finish the Drive activity LED stops flashing Note The Drive activity LED will continue to flash after reconstruction is finished if there is I O activity to that drive In that case use the host software to determine if the data reconstruction is finished 9 When reconstruction is finished on the new drive repeat step 5 on page 76 through step 8 for each additional ...

Page 108: ...ing properly to maintain proper cooling Use the following procedure to replace a hot swap fan 1 Check the LEDs on the back of the storage server 2 If the amber Fault LED is on remove the fan CRU that has failed a Slide the latch to unlock the fan CRU b Use the handle black knob to pull the fan from the storage server See Figure 58 3 Install the new fan unit a Place the fan CRU in front of the fan ...

Page 109: ...t in sensor that detects the following conditions v Over voltage v Over current v Overheated power supply If any of these conditions occurs one or both power supplies will shut down All power remains off until you cycle the power switches turn the power switches off wait at least 30 seconds then turn the power switches on For more information see Restoring power after an unexpected shutdown on pag...

Page 110: ...ower cord Strain relief clamp Use this clamp to provide strain relief on the power cord Removing a hot swap power supply Statement 8 CAUTION Never remove the cover on a power supply or any part that has the following label attached Hazardous voltage current and energy levels are present inside any component that has this label attached There are no serviceable parts inside these components If you ...

Page 111: ...supply Installing a hot swap power supply Note When you replace a power supply that has failed ensure that the power supply latch is mounted on the side of the power supply that faces the middle of the storage server If it is not remove the lever screw flip the lever over and tighten the screw on the opposite side To install a hot swap power supply perform the following steps AC power connector AC...

Page 112: ...the pull ring latch locks in place Make sure that the lever locks into place in the storage server chassis 3 Wrap the strain relief clamp around the power cord approximately 20 cm 8 in from the power supply connection end 4 Attach the power supply nut and tighten it securely 5 Connect the power cord to the AC power connector See Figure 62 6 Plug the power cord into a properly grounded electrical o...

Page 113: ... cache memory and rechargeable battery see Cache memory and RAID controller battery on page 66 Replacing a RAID controller When instructed to do so by the Storage Manager client replace a RAID controller that has failed Important The replacement RAID controller CRU does not come with a RAID controller cache battery installed nor does it come with the mounting hardware that holds the battery in pla...

Page 114: ...tic cables do not pinch them step on them or locate them in aisles or walkways Do not overtighten the cable straps or bend the cables to a radius smaller than 38 mm 1 5 in 3 From the RAID controller that has failed remove the fibre channel cables from the SFPs The location of these components is shown in Figure 64 After removing the fibre channel cables insert the protective caps 4 Use the followi...

Page 115: ... Replace the protective cap on the SFP module e Place the SFP module into a static protective package f Replace the protective cap on the port 5 Remove the failed RAID controller the Fault LED is on as follows a Push down on the latch centered above the RAID controller Pull both levers at the same time out of the locked position Protective cap SFP module 10o Plastic tab F10ug009 Figure 65 Unlockin...

Page 116: ...ure 68 7 Slide the RAID controller bottom panel away from the front side of the RAID controller away from the SFP slots and black center latch to unlatch it from the side panels 8 Carefully flip over the RAID controller bottom panel Disconnect the battery harness on the battery from the two pin connector on the controller board as shown in Figure 69 on page 87 f10ug033 Figure 67 Pull rings for rem...

Page 117: ... RAID controller away from the SFP slots and black center latch to unlatch it from the side panels 14 Carefully flip over the RAID controller bottom panel 15 Remove the screw that holds the battery access panel Carefully slide the access panel toward the front to unlatch it from the three pins mounted on the RAID controller bottom panel 16 If DHCP BootP was used to automatically set the IP address...

Page 118: ...e Storage Manager client to verify the firmware levels and NVSRAM files 23 Insert the SFPs according to the instructions in Installing SFP modules on page 40 24 Connect the fibre channel cables to their original locations according to the instructions in Installing fiber optic cables on page 42 25 Wait approximately one minute and then check the green Host Loop LED green Expansion Loop LED and amb...

Page 119: ... fibre channel cables and the SFPs from the RAID controller that contains the battery that has failed or is nearing its expiration date For more information see Working with SFPs and fiber optic cables on page 39 8 Remove the RAID controller as described in Replacing a RAID controller on page 83 9 To remove the cache battery place the RAID controller CRU bottom up on a flat surface Using a 2 Phill...

Page 120: ...bottom panel Do not overtighten 17 You must reconnect the battery harness to the two pin connector on the controller board Note The connector is keyed so that there is only one way to attach the harness to the connector Do not force fit 18 Flip the RAID controller bottom panel over and carefully place it on the controller sides Push the RAID controller bottom panel toward the front to latch it to ...

Page 121: ... 24 Use the Storage Manager client to monitor the status of the storage server and to reset the battery age Note There are two cache batteries in the unit one for each controller Make sure that you reset the age for the correct battery Installing SFPs and fiber optic cables Each RAID controller unit has two host ports and one expansion unit port SFPs are inserted into the ports and then fibre chan...

Page 122: ...wing steps 1 Verify that the existing configuration is powered on and is in optimal state Use the Storage Manager client to correct any problems before proceeding 2 Unpack the new EXP100 and mount it in the proper position on the rack 3 Make the fibre channel connection marked 1 in Figure 71 drive loop B Then power on the new FAStT EXP100 and verify that it is recognized by the Storage Manager sof...

Page 123: ...he ESM firmware version of the new EXP100 is version 955x or higher but does not match exactly the ESM firmware version of the EXP100s that were already installed in the FAStT100 configuration then refer to the procedures for resolving ESM firmware mismatches in the IBM TotalStorage FAStT EXP100 Expansion Unit Installation and User s Guide Chapter 5 Installing and replacing components 93 ...

Page 124: ...94 IBM TotalStorage FAStT100 Storage Server Installation User s and Maintenance Guide ...

Page 125: ...Ds might turn on and off intermittently Wait until the controller unit finishes powering up before you begin to check for faults Using the diagnostic hardware The FAStT100 comes with an LC wrap plug adapter and LC LC coupler The wrap plug adapter and LC LC coupler are used to perform the loopback test and to identify fibre path problems See the IBM TotalStorage FAStT Problem Determination Guide fo...

Page 126: ...d Otherwise check to make sure that the drive expansion unit is powered on and the FC cables are attached properly Fibre channel cable is not attached to the expansion unit Connect the fibre channel cable to the enclosure port check other connections No incoming signal detected Reattach the SFPs and fibre channel cables Replace input and output SFPs or cables as necessary Front panel General syste...

Page 127: ... failure Have the midplane replaced service technician only Front panel Power supply problem Make sure that the cords are plugged in and power supplies are turned on Hardware failure If any other LEDs are on replace the midplane service technician only Battery Battery failure Replace the battery Cache active The cache is disabled Use the Storage Manager client to enable the logical drive read and ...

Page 128: ...age server Some or all CRUs Defective ac power source or partially plugged in power cord Check the ac power source verify that the ac circuit that the storage server connects to is not being overloaded Reseat all installed power cables and power supplies If applicable check the power components Replace defective power cords Power supply has failed Check for a Fault LED on the power supply and repl...

Page 129: ... the controller blade 2 Wait 5 minutes 3 Delete the controller entry with the incorrect firmware version from the FAStT Storage Manager Enterprise Management window 4 Add the controller back to the FAStT Storage Manager Enterprise Management window using the Add Device menu option in the Enterprise Management window 5 If the Storage Manager client Enterprise Management window still shows each stor...

Page 130: ...ontroller 25R0099 5 SATA frame midplane 25R0101 6 FAStT100 bezel ASM 25R0098 SATA tray blank 90P1348 7 SATA 250 GB drive CRU 90P1349 8 Switch harness 19K1297 Miscellaneous hardware kit 24P8813 Cable FRU 1M 19K1265 Cable FRU 5M 19K1266 Cable FRU 25M 19K1267 Short wave SFP 19K1280 3 8 2 4 1 7 6 5 Figure 72 FAStT100 parts list 100 IBM TotalStorage FAStT100 Storage Server Installation User s and Maint...

Page 131: ...tinued Index FAStT100 storage server Type 1724 Model 100 FRU P N Long wave SFP 19K1281 Power cord 2 8M 6952300 Power cord jumper 36L8886 Battery 24P8062 Wrap plug loopback adapter 17P6918 LC SC fibre channel cable adapter 19K1268 Chapter 6 Hardware maintenance 101 ...

Page 132: ...102 IBM TotalStorage FAStT100 Storage Server Installation User s and Maintenance Guide ...

Page 133: ...ine type 1724 Model number 100 Serial number The serial number is located on a label at the rear of the FAStT100 The machine and model number are found on the product information label above the serial number Installed device records Use the following table to record the number of the hard disk drives that you replaced and the corresponding bay number Attention If you replace a hard disk drive in ...

Page 134: ...104 IBM TotalStorage FAStT100 Storage Server Installation User s and Maintenance Guide ...

Page 135: ...and Figure 74 on page 107 to identify the proper locations for inserting M6 screws when mounting the support rails and FAStT100 to a rack The locations for the M6 screws are highlighted in the templates The FAStT100 is 3 U high Align the template with the rack at a U boundary U boundaries are shown as horizontal dashed lines in the rack mounting templates Note The mounting holes that are shown in ...

Page 136: ...ront Right Rail assembly Front Left Bezel Front Left Bezel Front Right FAStT100 0 U 1 U 3 U 2 U 3 U 2 U 1 U 0 U f10ug058 Figure 73 Front rack mounting template 106 IBM TotalStorage FAStT100 Storage Server Installation User s and Maintenance Guide ...

Page 137: ...ng Template REAR Printed in the U S A Rail assembly Rear Left Rail assembly Rear Right FAStT100 3 U 2 U 1 U 0 U 3 U 2 U 1 U 0 U f10ug059 Figure 74 Rear rack mounting template Appendix B Rack mounting template 107 ...

Page 138: ...108 IBM TotalStorage FAStT100 Storage Server Installation User s and Maintenance Guide ...

Page 139: ...e only in that country or region IBM power cord part number Cord specifics Used in these countries or regions 13F9940 250V 10A 2 8M Australia Fiji Kiribati Nauru New Zealand Papua New Guinea 13F9979 250V 10A 2 8M Afghanistan Albania Algeria Andorra Angola Armenia Austria Azerbaijan Belarus Belgium Benin Bosnia and Herzegovina Bulgaria Burkina Faso Burundi Cambodia Cameroon Cape Verde Central Afric...

Page 140: ...hiriya 14F0087 250V 10A 2 8M Israel 1838574 250V 10A 2 8M Antigua and Barbuda Aruba Bahamas Barbados Belize Bermuda Bolivia Brazil Caicos Islands Canada Cayman Islands Costa Rica Columbia Cuba Dominican Republic Ecuador El Salvador Guam Guatemala Haiti Honduras Jamaica Japan Mexico Micronesia Federal States of Netherlands Antilles Nicaragua Panama Peru Philippines Taiwan United States Venezuela 36...

Page 141: ...NY KIND EITHER EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF NON INFRINGEMENT MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE Some jurisdictions do not allow disclaimer of express or implied warranties in certain transactions therefore this statement may not apply to you This information could include technical inaccuracies or typographical errors Changes are period...

Page 142: ...om IBM Maximum memory may require replacement of the standard memory with an optional memory module IBM makes no representation or warranties regarding non IBM products and services that are ServerProven including but not limited to the implied warranties of merchantability and fitness for a particular purpose These products are offered and warranted solely by third parties IBM makes no representa...

Page 143: ...case the user might be required to take adequate measures Industry Canada Class A emission compliance statement This Class A digital apparatus complies with Canadian ICES 003 Avis de conformité à la réglementation d Industrie Canada Cet appareil numérique de la classe A est conforme à la norme NMB 003 du Canada Australia and New Zealand Class A statement Attention This is a Class A product In a do...

Page 144: ... to provide reasonable protection against interference with licensed communication equipment Attention This is a Class A product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures Taiwan Class A warning statement Japanese Voluntary Control Council for Interference VCCI statement 114 IBM TotalStorage FAStT100 Storage ...

Page 145: ...of the host system and the external fibre channel FC link and vice versa Also called an I O adapter host adapter or FC adapter advanced technology AT bus architecture A bus standard for IBM compatibles It extends the XT bus architecture to 16 bits and also allows for bus mastering although only the first 16 MB of main memory are available for direct access agent A server program that receives virt...

Page 146: ...er dar See disk array router DASD See direct access storage device default host group A logical collection of discovered host ports defined host computers and defined host groups in the storage partition topology that fulfill the following requirements v Are not involved in specific logical drive to LUN mappings v Share access to logical drives with default logical drive to LUN mappings device typ...

Page 147: ...ys within the fabric between F_ports fabric port F_port In a fabric an access point for connecting a user s N_port An F_port facilitates N_port logins to the fabric from nodes connected to the fabric An F_port is addressable by the N_port connected to it See also fabric FAStT MSJ See FAStT Management Suite Java FAStT Management Suite Java FAStT MSJ A diagnostic and configuration utility that can b...

Page 148: ...load IPL The initialization procedure that causes an operating system to commence operation Also referred to as a system restart system startup and boot integrated circuit IC A microelectronic semiconductor device that consists of many interconnected transistors and other components ICs are constructed on a small rectangle cut from a silicon crystal or other semiconductor material The small size o...

Page 149: ... information base micro channel architecture MCA Hardware that is used for PS 2 Model 50 computers and above to provide better growth potential and performance characteristics when compared with the original personal computer design Microsoft Cluster Server MSCS MSCS a feature of Windows NT Server Enterprise Edition supports the connection of two servers into a cluster for higher availability and ...

Page 150: ...and executes its processes Contrast with DASD RDAC See redundant disk array controller read only memory ROM Memory in which stored data cannot be changed by the user except under special conditions recoverable virtual shared disk RVSD A virtual shared disk on a server node configured to provide continuous access to data and file systems in a cluster redundant array of independent disks RAID A coll...

Page 151: ...ocol and SNMPv1 SNMP time out The maximum amount of time the SANavigator tool will wait for a device to respond to a request The specified time applies to one retry only SNMP trap event 1 2 An event notification sent by the SNMP agent that identifies conditions such as thresholds that exceed a predetermined value See also Simple Network Management Protocol SNMPv1 The original standard for SNMP is ...

Page 152: ...d in interconnected systems of such networks It uses the Internet Protocol IP as the underlying protocol Transmission Control Protocol Internet Protocol TCP IP A set of communication protocols that provide peer to peer connectivity functions for both local and wide area networks trap In the Simple Network Management Protocol SNMP a message sent by a managed node agent function to a management stat...

Page 153: ...Services Guide xxiii customer replaceable units CRUs removing a fan unit 21 23 removing a hard disk drive 23 removing a power supply 21 22 removing a RAID controller 21 removing hard disk drives 21 D determine management method xvii diagnostic hardware wrap plug 95 diagnostic interface port 8 50 direct management method 32 documentation FAStT Storage Manager Version 8 4 xxiii related xxiii documen...

Page 154: ...ices 14 hard disk drive adding larger capacity 73 LEDs 63 overview 69 replacing all at same time 73 74 replacing one at a time 73 76 hardware Ethernet address label 83 hardware installation process xvii hardware maintenance and problem determination xvii hardware service and support xxvi HBA installation and user s guide xvii heat dissipation 10 heat output 11 host adapter connecting to RAID contr...

Page 155: ...e active LED 67 size of 66 N notes important 112 notices electronic emission 112 FCC Class A 112 notices continued static sensitive precautions 69 trademarks 111 used in this book iii O online help xvii over temperature condition shutdown 61 P parts list 99 power cords 109 connecting 50 power on sequence storage server 57 power supply changing lever location 81 installing 81 LEDs 66 overview 79 re...

Page 156: ...nts back view 7 hard disk drives 69 installing power supply 81 power supply 79 replacing RAID controller 83 emergency shutdown 61 enclosure ID settings 29 features 3 fibre channel connections 33 identification numbers 103 installing SFP modules 40 interface ports and switches 8 LEDs 63 64 66 over temperature shutdown 61 records 103 storage server continued restoring power after emergency shutdown ...

Page 157: ...on in this book is Very Satisfied Satisfied Neutral Dissatisfied Very Dissatisfied Accurate h h h h h Complete h h h h h Easy to find h h h h h Easy to understand h h h h h Well organized h h h h h Applicable to your tasks h h h h h Please tell us how we can improve this book Thank you for your responses May we contact you h Yes h No When you send comments to IBM you grant IBM a nonexclusive right...

Page 158: ... Development Dept GZW 9000 South Rita Road Tuscon AZ U S A 85744 0001 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ...

Page 159: ......

Page 160: ... Part Number 24P8970 Printed in USA GC26 7641 00 1P P N 24P8970 ...

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