Red Hat Server tc3100 Guida Utente

hp StorageWorksdisk system 2300Edition E0902user’s guide

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100 TroubleshootingHP Command View SDMFor specific information about using HP CommandView SDM for viewing the disk logs and for other functions, see t

Troubleshooting 101TroubleshootingStatus LEDs LEDs indicate the status of the disk system itself and each of its components (see Table 11). Green and

102 TroubleshootingLED states are described in Table 11: Table 11. LED FunctionsLED State IndicationSystem Power Green Power is onOFF Power is

Troubleshooting 103TroubleshootingNote An amber LED that is on briefly when a component first comes on is normal. If this light remains on more than a

104 TroubleshootingIsolating Faults Table 12 lists the probable causes and solutions for problems you may detect on the disk system. When more than on

Troubleshooting 105TroubleshootingPower supply/fan LED is amberCritical Amber Critical An incompatible or defective component caused a temporary fault

106 TroubleshootingTem pe ratu re is over limitCritical none CriticalTem p i s >54.5º CA fan is faulty. Check status and correct.Airflow is obstruc

Removal and Replacement 107Removal and ReplacementCaution Do not remove hot-pluggable components until you have the replacement parts and are ready to

108 Removal and Replacement

Removal and Replacement 109Removal and ReplacementTable 13. JBOD Enclosure Field Replaceable Units Fig.24ItemPart No. FRU DescriptionExch/Repl.Part

Product Description 11Product DescriptionGeneral DescriptionHewlett-Packard’s StorageWorks Disk System 2300 (referred to in this guide as the disk sys

110 Removal and ReplacementDisk ModuleAdd or replace disks to increase storage capacity or eliminate faults. (See Chapter 4 for troubleshooting proced

Removal and Replacement 111Removal and ReplacementTo Determine If a Volume Group or Physical Volume Group Is ActiveAt the host console, enter:# vgdisp

112 Removal and ReplacementTo Replace Attached Physical VolumesUse the following commands to reduce any logical volumes that have mirror copies on the

Removal and Replacement 113Removal and ReplacementFor example:# vgcfgrestore -n /dev/vg00 /dev/rdsk/c2t4d0If the host fails, repeat the step to ensur

114 Removal and ReplacementTo Replace Unattached Physical VolumesFollow these instructions if the volume group is not active or if the physical volume

Removal and Replacement 115Removal and Replacement8 Exit the “Disk Administrator” utility and execute explorer (right-click start and choose explorer

116 Removal and Replacementempty slot will cause uneven cooling and eventual overheating.1 Release the disk from the slot by squeezing the latch tab

Removal and Replacement 117Removal and ReplacementCaution Replace the disk module or filler immediately (see next step).Caution Touching the disk circ

118 Removal and Replacement6 Press the extraction handle to seat the disk module firmly on the midplane. An audible click indicates the disk module i

Removal and Replacement 119Removal and ReplacementBCCReplace a BCC when troubleshooting shows that the card is faulty (see “Isolating Faults” in Chapt

12 Product DescriptionHP Command View SDM (Software Device Manager) software is designed to provide storage management for HP disk systems. This softw

120 Removal and Replacement6 Remove the replacement BCC from its ESD bag.Caution Switches must have the same settings on both BCCs. 7 Open the cam l

Removal and Replacement 121Removal and Replacement10 Watch the BCC Fault LED (B in Figure 55). It should come on briefly and then turn off. If the LE

122 Removal and ReplacementBCC Filler PanelIf a BCC is removed and a new one is not available, the BCC slot must be filled to ensure proper cooling fo

Removal and Replacement 123Removal and ReplacementPower SupplyReplace a power supply as soon as possible when troubleshooting indicates a power supply

124 Removal and Replacement5 Slide the replacement power supply into the empty slot (D in Figure 57). The power supply begins to engage the midplane

Removal and Replacement 125Removal and ReplacementDisk SystemUse this procedure if you need to move or remove and replace the disk system in the rack.

126 Removal and Replacement7 Remove screws from the mounting ears (see detail in Figure 58).WA RN IN G An empty storage device weighs approximately

Removal and Replacement 127Removal and Replacement10 Insert and tighten the front mounting screws.11 Reinstall the power supply/fan module(s).12 Re

128 Removal and ReplacementTop Cover (HP-Qualified Only)The following procedure is for HP-qualified personnel only.Remove and replace the top cover (n

Removal and Replacement 129Removal and ReplacementTo reinstall the top cover:1 Insert the edge of the top cover under the outer sheet metal of the ch

Product Description 13Product DescriptionFeaturesThe disk system occupies 3 EIA units in a standard 19-inch rack. Disk drives mount in the front of th

130 Removal and Replacement8 Reinstall the power and SCSI cables.9 Reinstall disks and fillers. See page 110.Midplane (HP-Qualified Only)The midplan

Removal and Replacement 131Removal and Replacement3 To remove the midplane: a Loosen the cam handle locking screws and pull power supplies free of t

Removal and Replacement 133Removal and ReplacementDeskside Base/External Covers (HP-Qualified Only)The deskside base and external covers must be remov

Removal and Replacement 135Removal and Replacement5 Rotate the disk system and place it on its top. 6 Remove the four M5 screws from the array chass

136 Removal and Replacement7 Remove the four M5 screws from the cover using a Torx T25 driver. They are the four screws that are closest to the edges

Removal and Replacement 137Removal and Replacement8 Lift the disk system chassis off the alignment pins and out of the cover.

138 Removal and ReplacementReinstalling the deskside base and external covers on the disk system.1 Place the deskside external cover on its top, on

Removal and Replacement 139Removal and Replacement5 Rotate the disk system and place it on the back end of the disk system. The empty disk module slo

14 Product Description

Reference 141ReferenceProduct Models Two models of the disk system are available: A6490A and A6490AV field-racked (by HP-qualified service engineers)

142 ReferenceUpgrade Products Order the following parts to expand or reconfigure your original purchase: Table 14. Upgrade ProductsOrder No. Descr

Reference 143ReferencePDU/PDRU Products Table 15. PDU/PDRU ProductsOrder No. DescriptionE7676A 19-inch, 100-240 V, 16 Amp, 1 C20 inlet, 10 C13 out

144 ReferenceReplaceable Parts Table 16. Replacement and Exchange Part NumbersReplacement Part NumberExchange Part NumberDescription8120-6514 Po

Reference 145ReferenceSpecificationsDimensionsThe maximum dimensions of the racked version of the disk system with the power supply handles closed are

146 ReferenceAC Power InputThe disk system operates at 100-127 and 200-240 V AC, 50-60 Hz, single phase, power factor corrected. Maximum current is 4.

Reference 147ReferenceThe environmental limits in a nonoperating state (shipping and storage) are wider: Temperature: -40º C to 70º C (-40º F to 158º

148 ReferenceRegulatory StatementsA. FCC Statement (For U.S.A. Only)The Federal Communications Commission (in 47 CFR 15.105) has specified that the fo

Reference 149ReferenceCher Client,Conformément à la Réglementation Française en vigueur l’installation ou le transfert d’installation, et l’exploitati

Product Description 15Product DescriptionStatus IndicatorsLEDs on the disk system enable you to detect and replace failed components and so prevent or

150 ReferenceE. VCCI Statement (Japan)Harmonics Conformance (Japan) F. BCIQ EMC Statement (Taiwan)

Reference 151ReferenceG. Declaration of Conformity

152 ReferenceProduct Web SiteFor the most current information about the HP StorageWorks Disk System 2300, visit the support Web site located at http:/

153AAC power 146acoustics, product 147Acrobat ReaderWorld Wide Web site 90Address High switch 85audio alarm 104BBCCdescription of 19environmental serv

154removing 128DDC power 146Declaration of Conformity 151definitions 33dimensions, product 145diskinstalling 78disk filler 117installing 115removing 1

155midplane 130PDU/PDRU 39power cable 75power supply/fan module123SCSI cable 75terminator 75tools required 44verifying operation 80IOSCANexample 81tro

156power switchand PDUs 33troubleshooting 104power up the disk system 80power/standby switchlocation and function 16productAC power 146acoustics 147DC

157turning on the disk system 80UUltra 3 SCSIdefinition 34upgrade productsorder numbers 142User Guideorder number 44Vverify connection to the host 81v

158

16 Product DescriptionPower/Standby SwitchLocated at the upper right corner of the front of the disk system, the power switch (D in Figure 1) interrup

Product Description 17Product DescriptionEnvironmental ServicesEnvironmental services circuitry monitors the following elements: Fan rotation Power

18 Product DescriptionComponentsUser-replaceable components enable high availability and easy maintenance. This section describes the following compon

Product Description 19Product DescriptionBCCs and BCC Filler PanelsBCCs (Bus Control Cards) plug into two slots in the back of the disk system. Each B

Notice© Hewlett-Packard Company, 2002. All rights reserved.A6490-96014Hewlett-Packard Company makes no warranty of any kind with regard to this materi

20 Product DescriptionOther features of the BCC are: LEDs (C) indicating BCC status and bus configuration DIP switches (D) on the rear panel: 1 Bus

Product Description 21Product DescriptionBCC circuitry provides the following functions: Bus configuration (see “Setting DIP Switches” in Chapter 3)

22 Product DescriptionPower Supply/Fan ModuleRedundant, hot-pluggable 340-watt power supplies convert wide-ranging AC voltage from an external main to

Product Description 23Product DescriptionPower supplies share the load reciprocally; that is, each supply automatically increases its output to compen

24 Product DescriptionHardware/Software RequirementsThe disk system is supported on the following operating systems: HP-UX 11.00 with HWE 0302 (March

Product Description 25Product Description A6829A, Dual Port Ultra160 SCSI (PCI bus) adapter Host bus adapter for rp54X0, rp7400, rp7410, and rp8400

26 Product DescriptionThe following HP Netserver models are supported by the Disk System 2300: rc7100 tc7100 tc 6100 tc4100 tc3100 rx4610 LXr80

Product Description 27Product DescriptionTopologiesThe disk system supports high availability through redundant components and redundant connections t

28 Product DescriptionAnother type of high availability topology connects mirrored disk systems to redundant hosts. Dual host bus adapters in each hos

Product Description 29Product DescriptionThe disk system can be connected to a single host with two host bus adapters (HBAs) in a split bus configurat

31 Product Description 11General Description 11Features 13Status Indicators 15Power/Standby Switch 16High Availability 16Clustering (NT) 16Upgradabili

30 Product DescriptionData path redundancy can be secured with the configuration shown in Figure 9. Using an additional host bus adapter (HBA) and the

Product Description 31Product DescriptionFor customers with small data storage needs, a single disk system can be connected to two hosts in a split bu

32 Product DescriptionA two-host configuration could be constructed using the Disk System 2300. Each disk system could still be configured using mirro

Product Description 33Product DescriptionDefinitionsThe following terms have specific meanings in the context of this guide:High availability (HA)HA d

34 Product DescriptionUltra160 SCSIUltra160 is a SCSI interface that transfers 160 Mbytes/sec for wide busses.

Installation 35Installation2

36 InstallationPreparationBefore installing the disk system, make sure (1) electrical wiring, breakers, and PDUs meet power needs, (2) the required su

Installation 37InstallationCircuit breakers must be adequately rated for inrush and operating currents. Hewlett-Packard recommends magnetic-type circu

38 Installation * Supports cabinet on/off switch.**Rack height does not allow additional disk systems. * Supports the cabinet on/off switch opti

Installation 39InstallationInstalling PDUs The 19-inch PDUs and PDRUs can be installed vertically or horizontally in the rack. Choose PDU/PDRU locatio

4Installing PDUs 39Software Requirements 42Auto-Termination 43 Step 1: Gather Tools 44Step 2: Unpack the Product 44Step 3: Install the device 47Insta

40 Installation

Installation 41Installation

42 InstallationSoftware RequirementsEnsure that the minimum revisions of HP-UX extension software and online diagnostics are installed. These release

Installation 43InstallationAuto-TerminationAuto-termination is disabled when a shunt is installed over both pins on the TP2 pinset. To enable auto-ter

44 Installation Step 1: Gather Tools Once the electrical, software, and special V-class preparations are complete, collect the tools you need to insta

Installation 45Installation2. Lift off the accessories box and the top of the under box, and verify the contents shown in Table 6 and Figure 16.

46 InstallationTable 6 Disk System ContentsIf a part is missing, contact an HP sales representative.Figure LabelPart (part number)A Installation Man

Installation 47InstallationStep 3: Install the device Follow the procedures in this section to install your storage device in one of the following rac

48 Installation

Installation 49Installation2. Study the installation overview (see Figure 18).The following tools are required for the installation of the storage dev

54 Troubleshooting 95Overview 96Event Notification (HP-UX Systems) 97HP Command View SDM 100TopTools 100Status LEDs 101Isolating Faults 1045 Removal a

50 Installation3. Locate a place on the rack columns with the available space required for the installation of the storage device. The storage device

Installation 51Installation4. Install clipnuts as shown in Figure 20.Figure 20. Installing clipnuts for an HP Rack System/E

52 Installation5. Insert the rail tabs into the appropriate column holes (see Figure 21).6. Secure the rail ends with one M5 screw each.7. Install cli

Installation 53Installation8. Place the storage device on the rails and slide it into the cabinet until the retention bracket comes in contact with th

54 Installation9. Insert and tighten the storage device retention (M5) screws through the retention bracket (see Figure 23).

Installation 55Installation10. Place a rail clamp on each rail and slide them to each bottom rear corner of the storage device.(see Figure 24).11. Sec

56 InstallationInstalling the storage device into an HP Computer CabinetYour storage device can be installed into the following Computer Cabinets: C2

Installation 57Installation2. Study the installation overview (see Figure 26)The following tools are required for the installation of the storage devi

58 Installation

Installation 59Installation4. Install clipnuts as shown in Figure 28

6Deskside Base/External Covers (HP-Qualified Only) 133Powering Down the Disk System 133Removing the deskside base and external covers from the disk sy

60 Installation5. Insert the rail tabs into the appropriate holes on the HP Computer Cabinet columns (see Figure 29).6. Secure the rail ends with one

Installation 61Installation7. Install clipnuts on the front columns of the cabinet (see Figure 30). These are used for the device retention screws.8.

62 Installation9. Tighten the storage device retention (M5) screws through the retention bracket (see Figure 31).

Installation 63Installation10. Install a filler panel in the space below the storage device.If a filler panel is required, it must be ordered separate

64 InstallationInstalling the Storage Device into a Rittal-Style RackYour storage device can be installed into the Rittal-Style Rack by doing the foll

Installation 65Installation2. Align the front of rails to the inside of the front cabinet column.Carefully observe the alignment of the groups of hole

66 Installation3. Insert and finger tighten the rail mounting screws. Use the third and seventh holes from the top of rail to mount the rail to the

Installation 67Installation6. Tighten the center nuts to finger tightness.Figure 37. Center Nut Tightening7. Tighten all screws to their final tight

68 Installation8. Repeat the procedure above for the other rail.9. Insert the disk system (with disk modules and power supplies removed) onto the rail

Installation 69Installation11. Push the disk system back into the rack until the disk system retaining bracket is flush against the front column of th

7Figure 1 Disk System - Racked Views 14Figure 2 Disk System Deskside Views 15 Figure 3 Disk Module 19 Figure 4 BCC 20 Figure 5 BCC Filler Panel 21

70 InstallationInstall the Disk System1. Remove the power supply/fan modules to prepare the disk system for lifting:a Loosen the screws in each extra

Installation 71InstallationStep 4: Install BCCsThe disk system comes with one or two BCCs, depending on the option purchased. If you are installing on

72 Installation8. If you have a second BCC, repeat steps 2 through 6, installing the second BCC in the right slot.

Installation 73Installation9. If you do not have a second BCC, install the BCC filler as follows:a Unpack the BCC filler from the accessories box.b

74 InstallationStep 5: Set DIP SwitchesBCCs are shipped from the factory with all DIP switches (see Figure 43) in the “|” position. The pull-out label

Installation 75InstallationStep 6: Connect SCSI and Power Cables1. Att ac h a n LVD SC SI ca bl e t o S CS I p or t A or B, on on e o r b ot h B

76 Installation

Installation 77Installation

78 InstallationStep 7: Install Disk ModulesCaution Touching exposed areas on the disk can cause electrical discharge and disable the disk. Be sure you

Installation 79Installation1. Determine which slots, 1 through 14, will contain disk modules and which will contain fillers.— If DIP switch 1 is set t

8 Figure 30 Installing enclosure retention clipnuts in an HP Computer Cabinet 61 Figure 31 Installing the storage device in an HP Computer Cabinet 62

80 InstallationStep 8: Turn on the Disk System Caution When starting up the disk system, do not override automatic spin-up by issuing SCSI start comma

Installation 81InstallationStep 9: Verify Devices on the HostOn an HP-UX host run IOSCAN (ioscan -f) and verify that the disks and BCC(s) are listed i

82 InstallationThe “descriptions” in this example represent some of the valid disk modules. Valid disk descriptions include: ST318404LC18-Gbyte 10K r

Configuration 83Configuration3

84 ConfigurationViewing a Disk System in IOSCANAn IOSCAN (example below) shows each BCC (0/1/0/0.15.0) and disk in the disk system.Sample IOSCANType t

Configuration 85ConfigurationSetting DIP SwitchesTwo DIP switches on left slot BCC determine bus architecture and some bus behavior. If that BCC is re

86 Configuration

Configuration 87ConfigurationRationaleSites choose DIP switch options according to their priorities and preferences. High availability sites, for exam

88 ConfigurationDisk Addressing Each disk in the StorageWorks Disk System 2300 occupies a separate address (SCSI ID) on the SCSI bus. Disk addresses r

Configuration 89ConfigurationNote In split bus mode, the enclosure monitor circuitry on each BCC utilizes SCSI address 15. This is allowable since eac

9Table 1 Inrush (Surge) Current and Duration 36Table 2 Maximum Operating Current 36Table 3 Recommended PDU/PDRUs for Multiple Disk Systems in HP Compu

90 ConfigurationSetting Up the Hardware Event Monitor Separate monitors watch over the disks and the disk system. You need to install and configure th

Configuration 91ConfigurationUpdating Firmware (HP-Qualified Only) Obtain the latest disk or BCC firmware release from the support site before traveli

92 ConfigurationSupported Operating SystemsThe HP Command View SDM software is supported on the operating systems listed below. Both the HP Command Vi

Configuration 93ConfigurationHP TopToolsHP TopTools is a web-based, device management tool that enables administrators and MIS managers to use a web b

94 Configuration

Troubleshooting 95Troubleshooting4

96 TroubleshootingOverviewThe following steps will help you identify and resolve disk system failures:1 Gather information from all sources:— Hardwar

Troubleshooting 97TroubleshootingEvent Notification (HP-UX Systems)The EMS hardware event monitor polls environmental services on the BCC and reports

98 TroubleshootingEvent messages (see Figure 50) contain the following: Message Data – Date and time the message was sent, the source and destination

Troubleshooting 99TroubleshootingFigure 50. Sample Hardware Event Notification Notification Time: Wed Feb 3 11:27:15 1999yourserver sent Event Monit