IBM DS5020 - Manual

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213 Contents vii

viii IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide

Figures 1. DS5020 hot-swap drive bays . . . . . . . . . . . . . . . . . . . . . . . . . . . 72. Back view; controllers with two standard Fibre Channel host expansion channels . . . . . . . 103. Back view; controllers with two standard and two optional Fibre Channel host expansion channels 104. Back ...

Tables 1. Where to find DS5020 and DS4000-family installation and configuration procedures . . . . . . xx2. DS5020 weights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203. DS5020 component weights. . . . . . . . . . . . . . . . . . . . . . . . . . . 204. DS5020 shipping carton dime...

xii IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide

Safety The caution and danger statements that this document contains can be referencedin the multilingual IBM ® Safety Information document that is provided with your IBM System Storage ™ DS5020 Storage Subsystem. Each caution and danger statement is numbered for easy reference to the corresponding ...

Statement 1: DANGER Electrical current from power, telephone, and communication cables ishazardous. To avoid a shock hazard: v Do not connect or disconnect any cables or perform installation,maintenance, or reconfiguration of this product during an electricalstorm. v Connect all power cords to a pro...

Statement 2: CAUTION:When replacing the lithium battery, use only an equivalent type batteryrecommended by the manufacturer. If your system has a module containing alithium battery, replace it only with the same module type made by the samemanufacturer. The battery contains lithium and can explode i...

Class 1 Laser ProductLaser Klasse 1Laser Klass 1Luokan 1 LaserlaiteApparell Laser de Calsse 1 À IEC 825-11993 CENELEC EN 60 825 Statement 4: ≥ 18 kg (39.7 lb) ≥ 32 kg (70.5 lb) ≥ 55 kg (121.2 lb) CAUTION:Use safe practices when lifting. Statement 5: CAUTION:The power control button on the device and...

Statement 8: CAUTION:Never remove the cover on a power supply or any part that has the followinglabel attached. Hazardous voltage, current, and energy levels are present inside anycomponent that has this label attached. There are no serviceable parts insidethese components. If you suspect a problem ...

Cable Warning: WARNING: Handling the cord on this product or cords associated with accessories sold with this product, will expose you to lead, a chemical known to the State ofCalifornia to cause cancer, and birth defects or other reproductive harm. Wash hands after handling. xviii IBM System Storag...

About this document This document provides instructions for installing and customizing the configurationof your IBM System Storage DS5020 storage subsystem. It also providesmaintenance procedures and troubleshooting information. Who should read this document This document is intended for system oper...

DS5020 and DS4000-family storage subsystem installation tasks -General overview For educational information about the DS5020 and other IBM System Storageproducts, go to http://ibmdsseriestraining.com/. Table 1 provides a sequential list of many installation and configuration tasks thatare common to ...

Table 1. Where to find DS5020 and DS4000-family installation and configurationprocedures (continued) Installation task Where to find information or procedures 2 Mount the DS5020storage subsystem inthe rack v DS4800 Storage Subsystem Installation, User’s, andMaintenance Guide v IBM System Storage Qui...

Table 1. Where to find DS5020 and DS4000-family installation and configurationprocedures (continued) Installation task Where to find information or procedures 4 Route the storageexpansion unit FibreChannel cables v DS4100 Storage Subsystem Installation, User’s, andMaintenance Guide v DS4200 Express ...

Table 1. Where to find DS5020 and DS4000-family installation and configurationprocedures (continued) Installation task Where to find information or procedures 8 Zone the fabricswitch (SAN-attachedonly) v DS Storage Manager Version 10 Installation and HostSupport Guide v DS4000 Storage Manager Copy S...

Table 1. Where to find DS5020 and DS4000-family installation and configurationprocedures (continued) Installation task Where to find information or procedures 16 Configure arrays andlogical drives v DS Storage Manager Version 10 Installation and HostSupport Guide v DS Storage Manager online help 17 ...

2. Click the link for your storage subsystem (for example, DS5020 ). 3. When the subsystem support page opens, click the Download tab. 4. Under the Download tab, click Storage Manager, firmware, HBA, tools, support & pubs (including readmes) . 5. Click the applicable tab for the type of readme f...

Premium feature activation Activate a DS5020 or DS4000 premium feature by using the online tool: http://www-912.ibm.com/PremiumFeatures/jsp/keyInput.jsp IBM publications center Find IBM publications: http://www.ibm.com/shop/publications/order/ Support for System p ® servers Find the latest informati...

Fire suppression systems A fire suppression system is the responsibility of the customer. The customer’s owninsurance underwriter, local fire marshal, or a local building inspector, or both,should be consulted in selecting a fire suppression system that provides the correctlevel of coverage and prot...

xxviii IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide

Chapter 1. Introduction This chapter describes the operating specifications, features, and components forthe IBM System Storage DS5020 Storage Subsystem (hereafter referred to as DS5020 or storage subsystem ). This chapter also includes an inventory checklist and important information aboutbest prac...

storage management, copy service options, and optional advanced disasterrecovery functions are available for the DS5020, including FlashCopy ® , VolumeCopy, and Enhanced Remote Mirroring. The DS5020 supports up to four hosts in a redundant direct-attached Fibre Channelconfiguration. When using Fibre...

Contact your IBM sales representative or reseller for more information about thevarious DS5020 and options. Operating system support For supported operating systems, see the latest DS Storage Manager host softwarereadme file and the IBM DS4000 and DS5000 series products interoperability matrixat the...

– RAID controllers (2) – AC power supply and fan units (2) – Fiber-optic cables (2) – Battery units (2) – Power cables (2 rack jumper line cords) – Diagnostic wrap plug/coupler (1) – Serial cable adapter (1) – Rack-mounting hardware kit (1), including: - Rails (2) (right and left assembly) - M5 blac...

– Box ID labels (used to label the enclosure IDs on the front of the DS5020) Note: If you ordered additional premium features or entitlements, the premiumfeatures activation or entitlement kits might also be shipped inside thebox. If an item is missing or damaged, contact your IBM reseller or your I...

Note: Do not overload the circuits that power your storage subsystem andstorage expansion enclosures. Use additional pairs of ac powerdistribution units (PDUs) if necessary. Refer to for information aboutstorage subsystem power requirements. Contact your IBM servicerepresentative for additional info...

Using non-supported E-DDM options or FRUs will result in the E-DDM being lockedout by the DS5020 controller firmware and might also damage the drive connectorin the enclosure midplane. Attention: 1. After you remove an E-DDM CRU, wait 70 seconds before replacing or reseating the E-DDM CRU to allow i...

Setting up IP addresses for DS5020 storage controllers After you install DS Storage Manager (as described in the DS Storage Manager Installation and Support Guide for your host operating system), complete one of the following procedures to set up IP addresses: v “Steps for setting up the DHCP/BOOTP ...

6. In the Change Network Configuration window, click on the Controller A and Controller B tabs and type the new TCP/IP addresses in their applicable fields.Click OK . 7. Close the Subsystem Management window, wait at least five minutes, then delete the default DS5020 storage subsystem entry in the E...

Figure 6 shows a power supply and fan unit and the airflow through the storagesubsystem. Battery units Statement 2: Figure 6. Power supply and fan unit and airflow 14 IBM System Storage DS5020 Storage Subsystem: Installation, User’s, and Maintenance Guide

controller will start a battery learning cycle to determine whether the battery currentcapacity is sufficient. Data caching starts after the battery is charged to theprogrammed level. During the battery learn cycle, cache will be active if the batteryis in good condition. If the battery fails the le...

The storage subsystem supports a fiber-optic interface for host and storageexpansion enclosure connections. You must install a Small Form-factor Pluggable(SFP) module in each interface connector on the controller where a fiber-optic cableis to be installed. Do not install an SFP in any port that wil...

Software and firmware support code upgrades To enable support for the DS5020, you must make sure that your system softwareand firmware are the correct versions. To find the latest DS Storage Managersoftware, storage subsystem controller firmware, ESM, and NVSRAM firmware,check the firmware readme fi...

You must perform this step for each individual controller. To obtain the drive firmware (and ATA translator card firmware) version: Right-click the Drive icon in the Physical View pane of the Subsystem Management window and select Properties . The Drive Properties window opens and displays the prope...

the storage subsystem in different configurations. Table 3 lists the weight of eachcomponent. Table 2. DS5020 weights Unit Weight Maximum 1 Empty 2 Shipping DS5020 40 kg (88 lb) 16.4 kg (36.1 lb) 52.2 kg (115.0 lb) 1 Chassis with all CRUs and 16 drives. 2 Chassis without CRUs and drives but with fro...

Table 8 lists the KVA, watts, and Btu calculations. These values assume the powersupplies have a 73 percent efficiency and a power factor of 0.99. These tabulatedpower and heat dissipation values are typical for the storage subsystem. Maximumconfiguration units are typically operated at higher data ...

These levels are measured in controlled acoustical environments according to ISO7779 and are reported in accordance with ISO 9296. The declared sound powerlevels indicate an upper limit, below which a large portion of machines operate.Sound pressure levels in your location might exceed the average 1...

Chapter 2. Installing the storage subsystem This chapter provides the information that you need to install the storage subsysteminto a rack cabinet. Before you begin the installation, review the safety information in “Safety” on pagexiii. “Installation overview” provides an overview of the entire st...

13. Turn on the power to the attached storage expansion enclosure and the DS5020 storage subsystem using the procedure described in “Powering on thestorage subsystem” on page 95. 14. Install the DS Storage Manager host software on the management workstation (for out-of-band management) or on the hos...

Support rails DS5020Storagesubsystem Backupbattery unit Controller AC power supplyand fan unit M5 x 8 mmscrews (12) M4 x 8 mmscrews (4) Small Form-factorPluggable transceivers (pre-installed) AC power cord (2) Firmware and DSStorage Manager DVDs Complete the following steps to prepare the DS5020 sto...

Attention: The mounting rails, mounting hardware, and line jumper cords might be packed beneath the DS5020 in the shipping box. To remove theseitems from the shipping box without first removing the DS5020, open the twolong sides of the shipping box. Then open and fold flat the two short sides ofthe ...

Before installing the DS5020 in a rack cabinet, you must install the rails andrack-mounting hardware that come with your storage subsystem. The DS5020requires an Electronic Industries Association (EIA) 310-D Type A 19-inch rackcabinet. The distance between EIA rails, from the front to the rear of th...

v The lip on the rail lines up with the bottom of the storage subsystem (the 0Uboundary in Figure 14 on page 34). 5. Using a No. 2 Phillips screwdriver, loosen the two screws on the left support rail that hold the two parts of the rail together. The support rails are marked asleft or right. 6. Hold ...

installed the support rails (as listed in “Installing the support rails” on page 32).Alternately, you can use these instructions to lighten the DS5020 before removing itfrom the shipping box. The shipping box opens to provide access to the storagesubsystem CRUs. The DS5020 comes with a rack-mounting...

3. Place the controller on a level surface. 4. Repeat step 1 through step 3 for the second controller. Removing an ac power supply and fan unit Statement 5: CAUTION:The power control button on the device and the power switch on the powersupply do not turn off the electrical current supplied to the d...

3. Place the power supply and fan unit on a level surface. 4. Repeat step 1 through step 3 for the second power supply and fan unit. Removing an E-DDM Complete the following steps to remove a hot-swap E-DDM: Note: The E-DDM comes installed in a drive tray. Do not attempt to detach theE-DDM from the ...

5. Place the E-DDM CRU horizontally on a level surface. Attention: Do not stack E-DDM CRUs on top of one another. Protect the E-DDM CRUs from vibrations or sudden shocks. 6. Repeat step 1 through step 4 on page 39 for additional E-DDM CRUs. Installing the DS5020 into a rack on the support rails Comp...

5. Continue with one of the following actions: v If you did remove the DS5020 CRUs before installation (as described in“Removing the CRUs” on page 36), continue with “Replacing thecomponents.” v If you did not remove the DS5020 CRUs before installation, continue withChapter 3, “Cabling the storage s...

Replacing an ac power supply and fan unit Statement 5: CAUTION:The power control button on the device and the power switch on the powersupply do not turn off the electrical current supplied to the device. The devicealso might have more than one power cord. To remove all electrical currentfrom the de...

Chapter 3. Cabling the storage subsystem After the storage subsystem is installed in its permanent location, you must cable itto hosts, drives, and other external devices, depending on your hardwareconfiguration. This chapter addresses the following cabling and configuration topics: v “Enclosure ID ...

Fibre Channel loop and ID settings When you install a hard disk drive in the storage subsystem, the drive tray plugsinto a printed circuit board called the midplane . The midplane sets the Fibre Channel loop ID automatically, based on the enclosure ID switch setting and thephysical location (bay) of...

Statement 3: CAUTION:When laser products (such as CD-ROMs, DVD drives, fiber-optic devices, ortransmitters) are installed, note the following: v Do not remove the covers. Removing the covers of the laser product couldresult in exposure to hazardous laser radiation. There are no serviceableparts insi...

Installing SFP modules The DS5020 requires SFP modules. SFP modules convert electrical signals tooptical signals that are required for Fibre Channel transmission to and from RAIDcontrollers. Note: The SFPs are preinstalled in the DS5020. If the SFPs are not preinstalled in your DS5020 hardware, or i...

v The operational or redundant loop performance is not affected when you installor remove an SFP module. v You must insert the SFP module into a port before you connect the fiber-opticcable. v You must remove the fiber-optic cable from the SFP module before you removethe SFP module from the port. Re...

3. Remove the protective cap from the SFP port. Save the protective cap for future use. 4. Insert the SFP module into the host port until it clicks into place. See Figure 27. 5. Connect an LC-LC Fibre Channel cable. For information about the LC-LC cable, see “Using LC-LC Fibre Channel cables” on pag...

v For SFP modules that contain wire tabs, unlock the SFP module latch bypulling the wire latch outward 90°, as shown in Figure 29. 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 theport. v For SFP modul...

Connecting an LC-LC cable to an SFP module Complete the following steps to connect an LC-LC Fibre Channel cable to an SFPmodule: Statement 3: CAUTION:When laser products (such as CD-ROMs, DVD drives, fiber-optic devices, ortransmitters) are installed, note the following: v Do not remove the covers. ...

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 observe the following precautions: v Press and hold the lever to release the latches before you remove the cable f...

In the initial installation of the DS5020, you can add only new storage expansionenclosures to the DS5020 storage subsystem. This means there must be noexisting configuration information about the storage expansion enclosures that youwant to install. The DS5020 supports the attachment of up to six E...

Overview of steps to connect storage expansion enclosures to astorage subsystem To connect storage expansion enclosures to the storage subsystem, perform thefollowing steps: Note: The following procedures are for ″ cold-case ″ procedures (in which the DS5020 is powered down when storage expansion en...

1. Follow the instructions in the Installation, User’s, and Maintenance Guide for your DS5000 or DS4000 storage expansion enclosure to set up and mount thestorage expansion enclosures. 2. Select a cabling topology appropriate for the number of storage expansion enclosures you will connect to the DS5...

Important: The DS5020 supports the connection of a maximum of six storageexpansion enclosures per redundant drive channel pair. The DS5020supports one redundant drive channel pair. If you are using fiber-optic cables, install SFP modules into the ports that willreceive the cables before installing t...

One DS5020 and one storage expansion enclosure If you are cabling one DS5020 storage subsystem to one storage expansionenclosure, Figure 37 shows the correct cabling topology. Note: Figure 37 illustrates the drive channel connections between the DS5020 andthe storage expansion enclosures. Do not use...

One DS5020 and two storage expansion enclosures If you are cabling one DS5020 storage subsystem and two storage expansionenclosures, connect one storage expansion enclosure per controller drive port asshown in Figure 38. Figure 39 on page 61 shows that you can also connect twoexpansion enclosures to...

One DS5020 and three storage expansion enclosures If you are cabling one DS5020 storage subsystem and three storage expansionenclosures, Figure 40 shows the correct cabling topology. 1A 1B DS5020 Port 2, drive channel 1 1A 1B 1A 1B 1A 1B Port 1, drive channel 1 Port 1, drive channel 2Port 2, drive c...

One DS5020 and four storage expansion enclosures If you are cabling one DS5020 storage subsystem and four storage expansionenclosures, Figure 41 shows the correct cabling topology. 1A 1B DS5020 Port 2, drive channel 1 1A 1B 1A 1B 1A 1B Port 1, drive channel 1 Port 1, drive channel 2Port 2, drive cha...

One DS5020 and up to six storage expansion enclosures If you are cabling one DS5020 storage subsystem and up to six storage expansionenclosures, Figure 42 shows the correct cabling topology. 1A 1B DS5020 Port 2, drive channel 1 1A 1B 1A 1B 1A 1B Port 1, drive channel 1 Port 1, drive channel 2Port 2,...

EXP520s are denoted in the graphic as 1 while the EXP810s are denoted as 2 .) DS5020 storage subsystem and supported storage expansionenclosure drive cabling schemes The DS5020 supports only EXP520 and EXP810 storage expansion enclosures. Toattach one or more EXP810 storage expansion enclosures to t...

13. The DS5020 supports the intermix of SATA and Fibre Channel E-DDMs within the same drive enclosure. ESM B ESM A EXP810 ESM B ESM A EXP810 First EXP810storage expansionenclosure Last EXP810storage expansionenclosure DS5020 ESMport 1A ESMport 1B ESMport 1A ESMport 1A ESMport 1B ESMport 1A ESMport 1...

One DS5020 and one EXP520 storage expansion enclosure Figure 46 shows the cabling scheme for one DS5020 storage subsystem and oneEXP520 storage expansion enclosure. Perform the following steps to create the cabling scheme shown in Figure 46: 1. Connect either port 2 or port 1 of the dual-ported driv...

One DS5020 and two EXP520 storage expansion enclosures Figure 47 shows the cabling scheme for one DS5020 storage subsystem and twoEXP520 storage expansion enclosures behind both ports of a dual-ported drivechannel. Perform the following steps to create the cabling scheme shown in Figure 47: 1. Conne...

Storage expansion enclosure settings This section provides information about storage expansion enclosure settings. Foradditional detail, refer to the Installation, User’s, and Maintenance Guide for your storage expansion enclosure. Fibre Channel loop and ID settings When you install an E-DDM in the ...

Important: 1. The serial interface ports are intended to be used by service technicians to perform diagnostic operations on the storage subsystem. Incorrect use of theserial port can result in loss of data access and, in some cases, in loss of data.Do not make connections to the serial port unless y...

Storage subsystem management methods Before you configure the storage subsystem, determine which method of storagesubsystem management you want to use. You can manage the storage subsystemsin either of two ways: host-agent (in-band) management or direct (out-of-band)management. For more information ...

Connecting hosts to the DS5020 using Fibre Channel host ports The DS5020 supports redundant direct attached connections to up to four hosts. ToMake sure that you have full protection against the loss of any one Fibre Channelpath from the host servers to the DS5020 storage subsystem, always useredund...

For other examples of redundant host configurations, see “Fibre Channel host loopconfigurations” on page 85. Fibre Channel and iSCSI connections A DS5020 storage subsystem Fibre Channel connection consists of up to four hostFibre Channel loops and a redundant drive Fibre Channel loop. The host Fibre...

Fibre Channel host loop configurations You must determine how the host systems will connect to the storage subsystem.You can connect up to four host systems directly to the storage subsystem throughFibre Channel host ports, or you can connect more than four hosts to the FibreChannel storage subsyste...

Figure 60 shows an example of a two-cluster configuration. iSCSI configurations The DS5020 storage subsystem supports 1 Gbps iSCSI connectivity. You mustdetermine how the host systems will connect to the storage subsystem. Theillustrations in the following sections show common iSCSI host systemconfi...

Note: The minimum DS5020 configuration is two partitions. The maximum is 128partitions. Configuration upgrades are available as upgrade options. Contactyour IBM reseller or marketing representative for more information. DS5020 host iSCSI configurations This section provides the following examples of...

Installing the storage subsystem configuration Using the information gathered in the previous sections, install the host systemsand host adapters. Notes: 1. See the documentation provided with your host adapters for installation requirements and procedures. 2. Use the correct host adapter driver. Fo...

Chapter 4. Operating the storage subsystem This chapter describes operating procedures for the DS5020. For information about the optimal operation of your system, see “Best practicesguidelines” on page 5 Performing the DS5020 Health Check process The DS5020 Health Check process is a sequence of sugg...

Note: When you upgrade firmware, you must upgrade all client packagecomponents to the same release level. For example, if you are upgradingyour controller firmware from version 6.x to version 7.x, you must alsoupgrade your Storage Manager client to version 10.x or higher. If yourhost system uses RDA...

v Make sure that all ESMs are properly seated. v Make sure that all drives are properly seated. v Make sure that all SFP modules are properly seated. v Confirm Fibre Channel cable loop size. (Although IBM specifications require atleast 3-inch cable loops, use 6-inch cable loops or longer.) v Make su...

d. Review the status of the configuration components shown in the Subsystem Management window by selecting the applicable component button for eachstorage subsystem. 8. Are the LEDs indicating normal operation, and is the status Optimal on all the configuration components? v Yes — End of procedure. ...

http://www.ibm.com/systems/support/storage/disk Before any planned system shutdown or after any system additions, removals, ormodifications (including firmware updates, logical drive creations, storagepartitioning definitions, hardware changes, and so on), save the storage subsystemprofile as explai...

of a hard disk drive exceeding its PFAs), the Needs Attention LED does not turn on.Only the DS Storage Manager client can detect the failure. For example, the recovery procedure for a Predictive Failure Analysis ® (PFA) flag (impending drive failure) on a drive varies depending on the drive status (...

http://www.ibm.com/systems/support/storage/disk Always check the readme files that are included with the firmware packages for themost up-to-date information about firmware prerequisites, firmware updateinstructions, and host I/O restrictions, if any. Apply the necessary updates beforeconfiguring th...

6. Check the indicator LEDs on the front and the back of the storage expansion enclosure. A green LED denotes a normal status; an amber LED denotes a hardware fault. 7. Is an amber LED on? v Yes - Locate and troubleshoot the failed components. See “Checking the LEDs.” v No - You are finished with th...

Table 12. Power supply and fan unit LEDs LED Normal Status Problem Status Power supply and fan unitpower On Off Service Action Allowed (OK toRemove) Off On Service Action Required(Fault) Off On Direct Current Enabled On Off Front LEDs This section describes the primary LEDs and controls on the front...

Table 13. Front LEDs and controls LED Normal Status Problem Status Drive Activity LED On (not blinking) - No data isbeing processed Blinking - Data is beingprocessed Off Drive Fault LED Off Blinking - Drive, volume, orstorage array locate function On (not blinking) Global Locate On only when you act...

Table 14. Battery unit LEDs LED Normal Status Problem Status Service ActionAllowed (OK toRemove) Off On Service ActionRequired (Fault) Off On Battery Charging Green means on,ready Blinking green meanscharging Off The Global Power, Global Summary Fault, and Global Locate LEDs are generalindicators fo...

Table 15. Rear controller LEDs, controls, and connectors (continued) LED Normal Status Problem Status Ethernet Link Activity On - link established Off - no link established Blinking - activity Not applicable Drive Channel Port Bypass (One LED per port) Note: The drive channel consists of two FC port...

Table 17. Numeric display diagnostic codes (continued) Value Controller State Description LA Suspended Reserved LB Suspended Host card configuration error LC Suspended Persistent cache backupconfiguration error LD Suspended Mixed cache memory DIMMs LE Suspended Uncertified cache memoryDIMM sizes LF ...

Statement 5: CAUTION:The power control button on the device and the power switch on the powersupply do not turn off the electrical current supplied to the device. The devicealso might have more than one power cord. To remove all electrical currentfrom the device, ensure that all power cords are disc...

9. Turn off both power switches on the back of each storage expansion enclosure in the configuration. CAUTION:The power switch on the power supply and fan unit does not turn off theelectrical current supplied to the device. The DS5020 storage subsystemmight also have more than one connection to ac p...

Recovering from an overheated power supply and fan unit Each storage subsystem contains two power supply and fan units. Each powersupply and fan unit contains a built-in temperature sensor designed to prevent itfrom overheating. Under normal operating conditions, with an ambient airtemperature range...

v Yes - Go to step 4. v No - Perform the procedure “Troubleshooting the storage subsystem ” on page 100 to verify that the power supplies have shut down because of anoverheating problem, and then go to step 4. 4. Stop I/O activity to the storage subsystem and all attached storage expansion enclosure...

10. Check the status LEDs on the front and back of the storage subsystem. a. Note the status of the LEDs on the front and back of each module. A green LED indicates a normal status; amber LEDs indicate a hardwarefault. b. Open the Subsystem Management window for the storage array. c. Select the appl...

If caching is enabled and the Cache Active LED never comes on during I/O activity,it indicates one of the following conditions: v The cache memory from either controller A or controller B has failed. v The cache sizes in controller A and controller B are not the same. v The battery has failed. (In t...

Statement 2: CAUTION:When replacing the lithium battery, use only an equivalent type batteryrecommended by the manufacturer. If your system has a module containing alithium battery, replace it only with the same module type made by the samemanufacturer. The battery contains lithium and can explode i...

interruption is caused if you remove the battery from the controller chassis, resetthe power to the storage subsystem, or if a storage expansion enclosure or batteryoverheats. Data caching starts after the battery is charged to the programmed voltage level,which occurs when the storage subsystem pow...

Chapter 5. Replacing components This chapter contains information about replacing a controller, E-DDM CRU, powersupply and fan unit CRU, battery unit, SFP module, and midplane. Attention: Always replace a failed component as soon as possible. The Recovery Guru menu function in the DS5020 storage sub...

The Service Action Allowed status LED automatically turns on or off as conditionschange. Wait at least two minutes after you replace each component for thecontroller to recognize the new component and update the LED status. In mostcases when a single component fails, the Service Action Allowed statu...

5. Unpack the new controller. Save all packing materials in the event you need to return the new controller. 6. Determine whether the replacement controller will serve as controller A or controller B (controller A is inserted in the left controller bay; controller B isinserted in the right controlle...

B controller bay to fully latch it into place. Do not force fit. The controller isdesigned to prevent it from being inserted into the chassis incorrectly. Attention: Make sure that the levers lock into place in the storage subsystem chassis. c. Repeat step 11a on page 125 and step 11b on page 125 to...

v E-DDM CRUs are not interchangeable between the DS5020 and other DS4000storage subsystems. Table 18. Drive LED activity LED LED state Descriptions Activity LED Flashing green The green LED flashes to indicate Fibre Channel activity to the drive. Activity LED Steady green The green LED lights to ind...

Attention: After you remove an E-DDM CRU, wait 70 seconds before replacing or reseating the E-DDM CRU to allow it to properly spin down. Failureto do so might cause undesired events. 8. Use the DS Storage Manager subsystem management window to verify that the E-DDM is shown in the Storage Subsystem ...

v Which RAID level is used on the affected drives. (RAID 0 requires you to replaceall the E-DDMs at the same time.) v How much downtime is acceptable as you swap the E-DDMs. v The number of E-DDMs in an array. Replacing E-DDMs one at a time is bettersuited for arrays consisting of 3 to 5 E-DDMs. If ...

a. Turn on the power to the supporting devices (for example, Ethernet switches and management stations) before you turn off power to thestorage subsystem. b. You must turn on the storage expansion enclosures before the storage subsystem. The controllers might not recognize the correct configuration ...

Note: The Drive fault LEDs might flash intermittently while the E-DDMs spinup. v If the Drive activity LED is off, the E-DDM CRU might not be installedcorrectly. Remove the E-DDM CRU, wait 30 seconds, and then reinstall it. v If the Drive fault LED stays on or the Drive activity LED stays off, the n...

CAUTION:Do not change the link rate setting while the storage subsystem is running.Changing the link rate setting while the storage subsystem is running couldcause drives to fail. You must power down the storage subsystem andstorage expansion enclosures before changing the link rate setting. Attenti...

If both link rate indicator LEDs are on, the data transfer rate is set for 4 Gbps.If one link rate indicator light is on, the data transfer rate is set for 2 Gbps. Important: Make sure that the link rate for the DS5020 is always set to 4Gbps. The DS5020 supports only 4 Gbps FC drives. 3. Is the data...

c. When the procedure is completed, rerun the Recovery Guru to make sure that the problem has been corrected by selecting Recheck in the RecoveryGuru. 11. If the problem persists, contact IBM Customer and Technical Support. Replacing an ac power supply and fan unit Statement 5: CAUTION:The power con...

units in the unit will automatically shut down (an over-temperature condition). If thisoccurs, you must cool the unit and restart it. See “Restoring power after anunexpected shutdown” on page 112. Attention: The fans in the power supply and fan units draw in fresh air and force out hot air. The powe...

DANGER Electrical current from power, telephone, and communication cables ishazardous. To avoid a shock hazard: v Do not connect or disconnect any cables or perform installation,maintenance, or reconfiguration of this product during an electricalstorm. v Connect all power cords to a properly wired a...

v Yes - Select the Recovery Guru toolbar button in the Subsystem Management window and complete the recovery procedure. If a problem isstill indicated, contact IBM Customer and Technical Support. v No - Go to step 20. 20. Create, save, and print a new storage subsystem profile. Replacing a battery u...

Attention: This product contains a sealed Lithium Ion battery. Discharged Lithium and Lithium Ion batteries are currently designated to be disposed of innormal trash. However, users should contact their municipal waste disposalfacility prior to discarding any used battery in normal trash. Alternativ...

Attention: Handle and install fiber-optic cables properly to avoid degraded performance or loss of communications with devices. For specific handlingguidelines, see “Handling fiber-optic cables” on page 47. 6. Disconnect the interface cables from the SFP module. 7. Remove the failed SFP module from ...

Replacing a midplane Statement 5: CAUTION:The power control button on the device and the power switch on the powersupply do not turn off the electrical current supplied to the device. The devicealso might have more than one power cord. To remove all electrical currentfrom the device, ensure that all...

≥ 18 kg (39.7 lb) ≥ 32 kg (70.5 lb) ≥ 55 kg (121.2 lb) CAUTION:Use safe practices when lifting. Pull the chassis outward from the front of the rack and remove from the rack.Place it on a level surface. Look for a row of three Phillips screws on top of thechassis and a row of four Phillips screws on ...

Chapter 6. Hardware maintenance This chapter contains information to help you solve some of the simpler problemsthat you might have with your storage subsystem. It contains the problem indicatorsand error messages along with suggested actions to take to resolve the problem. For instructions on how t...

Table 20. Symptom-to-FRU index (continued) Problemindicator Component Possible cause Possible solutions Storage expansionenclosures are notattached to thestoragesubsystem Storagesubsystem The DS5020 doesnot have thenecessary featureoptions to supportthe storageexpansionenclosures. The base DS5020 st...

Appendix A. Records Whenever you add options to your DS5020, be sure to update the information inthis appendix. Accurate, up-to-date records make it easier to add other options andprovide needed data whenever you contact your IBM technical supportrepresentative. Identification numbers Record and ret...

Storage subsystem and controller information record Table 22 provides a data sheet for recording storage subsystem names,management types, Ethernet hardware addresses, and IP addresses. Make a copyof this table and complete the information for your storage subsystems andcontrollers. Use the informat...

Sample information record Table 23 shows a sample information record. This network contains storagesubsystems that are managed by using both the direct-management andhost-agent-management method. Table 23. Sample information record Storagesubsystem name Managementmethod Controllers-Ethernet and IPad...

Installed device records Use the following table to record the number of the hard disk drives that youreplaced and the corresponding bay number. Attention: If you replace a hard disk drive in the wrong drive bay it might cause a loss of data. Table 24. Hard disk drive record Bay number Hard disk dri...

Appendix B. Rack mounting templates This appendix provides duplicate copies of the rack mounting templates. If you wantto tear out the templates from this document, use these copies rather than thoseprovided in “Installing the support rails” on page 32. Use the following templates (Figure 89 on page...

Appendix C. Specifications for non-IBM rack installation The following instructions provide safety requirements and rack specifications forinstalling DS5000 storage subsystems and DS5000 storage expansion enclosuresinto non-IBM racks. Note: The information in this section applies to 19–inch racks. I...

There must be no unique maintenance procedures or tools required forservice. 11. Elevated service installations, where the product(s) to be serviced are installed between 1.5 m and 3.7 m (5 ft. and 12 ft.) above the floor, require theavailability of an OSHA- and CSA-approved nonconductive step ladde...

Top view of non-IBM rack specifications dimensions The vertical distance between mounting holes must consist of sets of threeholes spaced (from bottom to top) 15.9 mm (0.625 in.), 15.9 mm (0.625 in.), and12.67 mm (0.5 in.) on center (making each three hole set of vertical holespacing 44.45 mm (1.75 ...

2. The rack or cabinet must be capable of supporting an average load of 15.9 kg (35 lb.) of product weight per EIA unit. Top Front of Rack EIA Hole Spacing 6.75 mm min. 15.9 mm 15.9 mm 15.9 mm 15.9 mm 12.7 mm 12.7 mm Hole Diameter =7.1 +/- 0.1 mm 450 +/- 0.75 mm Rack Front Opening 465 +/- 0.8 mm Rac...

Appendix D. Power cords For your safety, IBM provides a power cord with a grounded attachment plug to usewith this IBM product. To avoid electrical shock, always use the power cord andplug with a properly grounded outlet. IBM power cords used in the United States and Canada are listed by Underwriter...

Appendix E. Additional DS5020 documentation For educational information about the DS5020 and other IBM System Storageproducts, go to http://ibmdsseriestraining.com/. The following tables present an overview of the IBM System Storage DS StorageManager, storage subsystem, and storage expansion enclosu...

Table 26. DS Storage Manager Version 10 titles by user tasks (continued) Title User tasks Planning Hardwareinstallation Softwareinstallation Configuration Operation andadministration Diagnosis andmaintenance IBM SystemStorage DS StorageManager ConceptsGuide U U U U U U IBM SystemStorage DS4000Fibre ...

DS4800 storage subsystem library Table 28 associates each document in the DS4800 storage subsystem library withits related common user tasks. Table 28. DS4800 storage subsystem document titles by user tasks Title User Tasks Planning HardwareInstallation SoftwareInstallation Configuration Operation a...

DS4700 storage subsystem library Table 29 associates each document in the DS4700 storage subsystem library withits related common user tasks. Table 29. DS4700 storage subsystem document titles by user tasks Title User Tasks Planning HardwareInstallation SoftwareInstallation Configuration Operation a...

DS4500 storage subsystem library Table 30 associates each document in the DS4500 (previously FAStT900) storagesubsystem library with its related common user tasks. Table 30. DS4500 storage subsystem document titles by user tasks Title User Tasks Planning HardwareInstallation SoftwareInstallation Con...

DS4400 storage subsystem library Table 31 associates each document in the DS4400 (previously FAStT700) storagesubsystem library with its related common user tasks. Table 31. DS4400 storage subsystem document titles by user tasks Title User Tasks Planning HardwareInstallation SoftwareInstallation Con...

DS4300 storage subsystem library Table 32 associates each document in the DS4300 (previously FAStT600) storagesubsystem library with its related common user tasks. Table 32. DS4300 storage subsystem document titles by user tasks Title User Tasks Planning HardwareInstallation SoftwareInstallation Con...

DS4200 Express storage subsystem library Table 33 associates each document in the DS4200 Express storage subsystemlibrary with its related common user tasks. Table 33. DS4200 Express storage subsystem document titles by user tasks Title User Tasks Planning HardwareInstallation SoftwareInstallation C...

DS4100 Storage subsystem library Table 34 associates each document in the DS4100 (previously FAStT100) storagesubsystem library with its related common user tasks. Table 34. DS4100 storage subsystem document titles by user tasks Title User Tasks Planning HardwareInstallation SoftwareInstallation Con...

DS5000 and DS4000 storage expansion enclosure documents Table 35 associates each of the following documents with its related common usertasks. Table 35. DS5000 and DS4000 storage expansion enclosure document titles by user tasks Title User Tasks Planning HardwareInstallation SoftwareInstallation Con...

Appendix F. Accessibility This section provides information about alternate keyboard navigation, which is aDS Storage Manager accessibility feature. Accessibility features help a user whohas a physical disability, such as restricted mobility or limited vision, to use softwareproducts successfully. B...

Notices This information was developed for products and services offered in the U.S.A. IBM may not offer the products, services, or features discussed in this document inother countries. Consult your local IBM representative for information on theproducts and services currently available in your are...

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Some software might differ from its retail version (if available) and might not includeuser manuals or all program functionality. Particulate contamination Attention: Airborne particulates (including metal flakes or particles) and reactive gases acting alone or in combination with other environmenta...

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European Union EMC Directive conformance statement This product is in conformity with the protection requirements of EU CouncilDirective 2004/108/EC on the approximation of the laws of the Member Statesrelating to electromagnetic compatibility. IBM cannot accept responsibility for anyfailure to sati...

IBM verändert bzw. wenn Erweiterungskomponenten von Fremdherstellern ohneEmpfehlung der IBM gesteckt/eingebaut werden. EN 55022 Klasse A Geräte müssen mit folgendem Warnhinweis versehen werden:“Warnung: Dieses ist eine Einrichtung der Klasse A. Diese Einrichtung kann imWohnbereich Funk-Störungen ver...

Glossary This glossary provides definitions for theterminology and abbreviations used in IBMSystem Storage DS5000 and DS4000publications. If you do not find the term you are looking for, seethe IBM Glossary of Computing Terms located at the following Web site: www.ibm.com/ibm/terminology This glossa...