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Dot Hill Systems SANnet II 200, Installation, Operation And Service Manual

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Contents

v

4.14

Power-On Sequence

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–30

4.15

Power-Off Procedure

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–31

5.

Checking LEDs

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–1

5.1

LEDs When the Array Is First Powered On

 . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–1

5.2

Front-Panel LEDs

 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–2

5.2.1

Drive LED Status

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–4

5.3

Back-Panel LEDs

 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–5

5.3.1

I/O Module LEDs

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–6

5.3.2

RAID Controller LEDs

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–7

5.3.3

Power Supply and Fan Module LEDs

 . . . . . . . . . . . . . . . . . . . . . . . . 5–7

5.3.4

EMU Module LEDs

 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–9

6.

Maintaining Your Array

 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–1

6.1

Scanning Drives

 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–1

6.2

Using Software to Monitor and Manage Your Array

. . . . . . . . . . . . . . . . . . . . . 6–2

6.2.1

Out-of-Band Connection

 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–2

6.2.2

Inband Connection

 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–3

6.2.3

Other Supported Software

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–3

6.3

Battery Operation

 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–3

6.3.1

Battery Status

 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–3

6.4

Silencing Audible Alarms

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–4

6.5

Viewing Event Logs on the Screen

 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–6

6.6

Upgrading Firmware  

 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–8

6.6.1

Controller Firmware Upgrade Features

. . . . . . . . . . . . . . . . . . . . . . . 6–8

6.6.2

Installing Firmware Upgrades

 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–9

6.7

Replacing the Front Bezel and Ear Caps

 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6–9

6.7.1

Removing the Front Bezel and Ear Caps

. . . . . . . . . . . . . . . . . . . . . . 6–9

6.7.2

Placing the Bezel and Ear Caps Back Onto the Chassis

. . . . . . . . . 6–10

7.

Troubleshooting Your Array

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–1

7.1

Sensor Locations

 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–1

7.2

RAID LUNs Not Visible to the Host

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–3

7.3

JBOD Disks Not Visible to the Host

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–3

7.4

Controller Failover

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–4

Summary of Contents for SANnet II 200

Page 1: ...SANnet II 200 SCSI Array Installation Operation and Service Manual June 2005 83 00002359 Revision C...

Page 2: ...o SANscape SANnet and SANpath are registered trademarks of Dot Hill Systems Corp All other trademarks and registered trademarks are proprietary to their respective owners Changes The material in this...

Page 3: ...s 1 5 1 5 1 RAID I O Controller Modules 1 5 1 5 2 I O Expansion Modules 1 6 1 5 3 Disk Drives 1 6 1 5 4 Battery Module 1 7 1 5 5 Power and Fan Modules 1 7 1 6 Interoperability 1 7 1 7 Additional Softw...

Page 4: ...ting the Chassis to DC Power Outlets 4 7 4 5 Powering Up and Checking LEDs 4 9 4 6 Single Bus and Split Bus Configurations 4 10 4 6 1 Default Channel Settings 4 11 4 7 Connecting Cables for a Single B...

Page 5: ...t of Band Connection 6 2 6 2 2 Inband Connection 6 3 6 2 3 Other Supported Software 6 3 6 3 Battery Operation 6 3 6 3 1 Battery Status 6 3 6 4 Silencing Audible Alarms 6 4 6 5 Viewing Event Logs on th...

Page 6: ...ng a Single Bus JBOD with Two Host Connections B 4 B 5 Cabling a Split Bus Single Initiator JBOD Configuration B 5 B 5 1 Connecting a Split Bus JBOD to One Host B 6 B 6 Cabling a Split Bus Multi Initi...

Page 7: ...3 F 3 Enabling a Windows 200x Server to Recognize New Devices and LUNs F 4 G Configuring a Linux Server G 1 G 1 Checking the Adapter BIOS G 1 G 2 Multiple LUN Linux Configuration G 2 G 3 Making an ext...

Page 8: ...2 I 2 Accessing the Firmware Application From an HP Server Running HP UX I 2 I 3 Attaching the Disk Array I 4 I 4 Logical Volume Manager I 5 I 5 Definitions of Common Terms I 5 I 6 Creating a Physical...

Page 9: ...n overview of RAID features Chapter 2 covers the site planning and basic safety requirements Chapter 3 provides general procedures for unpacking and inspecting the array Chapter 4 provides procedures...

Page 10: ...Edit your login file Use ls a to list all files You have mail text Computer menu Click Start AaBbCc123 Book titles new words or terms words to be emphasized Replace command line variables with real na...

Page 11: ...mail address maintenance contract number if applicable Placing a Support Call After obtaining the above information a support call may be placed by Internet mail fax or telephone Phone 1 877 DOT7X24 8...

Page 12: ...e 2005 Dot Hill Welcomes Your Comments Dot Hill is interested in improving its documentation and welcomes your comments and suggestions You can email your comments to support dothill com Include the p...

Page 13: ...e SANnet II 200 SCSI RAID array is a high performance modular storage device with a very small footprint 3 5 inches tall by 19 inches wide 8 89 cm tall by 48 26 cm wide The array contains one or two i...

Page 14: ...type The array can be placed on a tabletop or rackmounted in a server cabinet or expansion cabinet For information about specifications and agency approvals see Appendix A 1 2 Array Configurations The...

Page 15: ...nel 2 must be a drive channel Table 1 1 SANnet II 200 SCSI Array Configuration Options Internal RAID controllers 1 or 2 SCSI disks Up to 12 per array or per expansion unit with a minimum of 4 plus 1 s...

Page 16: ...used to configure a connection between the host computer and the array In the unlikely event of controller failure the standby channels on the remaining controller become an I O route serving the hos...

Page 17: ...tion programs Each RAID I O controller module can support up to 1 gigabyte of Synchronous Dynamic Random Access Memory SDRAM with Error Control Check ECC memory In addition each controller supports 64...

Page 18: ...e failure with the exception of RAID 0 the system continues to service all I O requests Either mirrored data or parity data is used to rebuild data from the failed drive to a spare drive assuming one...

Page 19: ...minute CFM fans Power module autoranging capabilities range AC Power Supply From 90 Volts Alternating Current VAC to 264 VAC DC Power Supply From 36 Volts Direct Current VDC to 72 VDC A single power...

Page 20: ...ional optional software tools are available on the web site or your purchased software CD SANscape a management and monitoring program SANscape Alert software a monitoring utility SANscape CLI a comma...

Page 21: ...equirements on page 2 3 Electrical and Power Specifications on page 2 3 Physical Specifications on page 2 4 Layout Map on page 2 4 Console and Other Requirements on page 2 6 Preinstallation Worksheet...

Page 22: ...t s electrical rating label Never push objects of any kind through openings in the equipment Dangerous voltages may be present Conductive foreign objects could produce a short circuit that could cause...

Page 23: ...ustomer facilities must provide suitable surge protection 2 4 Electrical and Power Specifications All SANnet II 200 SCSI arrays require two independent power sources Each array has two power supply an...

Page 24: ...d 2 6 1 Rack Placement Follow these guidelines when preparing a rackmount placement for your system Ensure that the floor surface is level Leave enough space in front of the rack to access components...

Page 25: ...this might cause the table to tip over Leave enough space in front and in back of the array to access components for servicing To remove the components requires a clearance of 15 inches 37 cm in front...

Page 26: ...quire at least CAT 5 Ethernet cable See the following preinstallation worksheet for additional preparation details 2 8 Preinstallation Worksheet When ordering a SANnet II 200 SCSI array complete the f...

Page 27: ...ber ____ If not make model _____________________ _____________________ Does the rack mount Front and back If so depth ______ Center Telco ______ What cable lengths are required _________________ Diagr...

Page 28: ...ystem ________________________________ Patches installed ________________________________ IP addresses Network ____________________ Host ______________________ Host Connectivity Host 2 Host Name _____...

Page 29: ...nstallation A fully loaded unit weighs approximately 57 2 pounds 26 kilograms 1 Select a suitable area for unpacking 2 Store all packing material and boxes for possible equipment returns 3 Check the C...

Page 30: ...ntents Sheet To download and print the latest SANnet II 200 SCSI Array Release Notes go to http www dothill com manuals 2 CDs in a CD set one CD for software and one CD for user documentation 1 SCSI j...

Page 31: ...For instance you can use 36 Gbyte and 73 Gbyte drives with no performance problems if both are 10K RPM drives Violating this configuration guideline leads to poor performance For a list of the FRU pa...

Page 32: ...3 4 SANnet II 200 SCSI Array Installation Operation and Service Manual June 2005...

Page 33: ...nd Checking LEDs on page 4 9 Single Bus and Split Bus Configurations on page 4 10 Connecting Cables for a Single Bus Configuration on page 4 11 Connecting Cables for a Split Bus Configuration on page...

Page 34: ...when the locks are in either the locked or open position It is possible to reconfigure the locks so that the keys cannot be removed Figure 4 1 Front Bezel and Front Bezel Locks of an Array To change...

Page 35: ...n Be sure to hold the key in place Otherwise there is a risk of breaking the small tab on the lock that serves as a stop 4 Lift the pawl off the threaded part of the lock body as shown in the second p...

Page 36: ...shown in the fifth panel of Figure 4 2 Be careful not to cross thread the nut 9 Replace the bezel Note To convert your bezel locks back so that the keys can be removed repeat this procedure 4 2 Hardwa...

Page 37: ...d to securely fasten the AC cable connectors Caution For AC power If the array is connected to AC power sources not within the designated 90 135 180 265 VAC PFC range damage might occur to the unit No...

Page 38: ...4 4 AC Cord Lock 3 Slide the cord lock over the AC power connector 4 Hold the cylindrical standoff between the two screw holes on the flanges of the cord lock 5 Insert the screw into the first screw h...

Page 39: ...C array To connect the DC power cords perform the following procedure 1 Connect a DC power cable to the first power supply and to a power outlet Caution Use only the DC power cables provided with the...

Page 40: ...of the cable insert the stripped end into a provided Panduit tube and crimp the tube 3 Tighten the cable locking screws to attach the cable securely to the power supply power outlet 4 Connect the sec...

Page 41: ...power up sequence to use when operating standalone SANnet II 200 SCSI JBODs directly attached to hosts 3 Check for the following LED activity All front panel LEDs flash green to indicate good operati...

Page 42: ...ernal connections On the back panel of each RAID array on the I O module the SB icon is displayed next to the CH 0 port and the SCSI SNGL BUS CONF port to indicate where to connect the SCSI jumper cab...

Page 43: ...y RAID Firmware User s Guide 4 7 Connecting Cables for a Single Bus Configuration A single bus I O configuration assigns all disk drive IDs in a chassis RAID or expansion unit to one channel This conf...

Page 44: ...is allowed per channel Therefore with a 12 drive array do not connect a split bus channel 0 or channel 2 6 IDs to a single bus expansion unit 12 IDs 3 Optional Use a SCSI cable to connect a RAID arra...

Page 45: ...configuration are shown in Figure 4 12 and Figure 4 13 ID6 and ID7 are reserved for host HBAs Figure 4 12 RAID Array Single Bus Configuration Default IDs Host servers RAID array Expansion unit Bus ca...

Page 46: ...o the second channel This configuration can be helpful when you want to use one set of drives to mirror the second set with drives configured as RAID 1 drives 1 To create a split bus configuration on...

Page 47: ...channels 0 and 2 are expanded into the expansion unit in a split bus configuration set up on the RAID array and kept by default for the expansion unit Figure 4 16 Split Bus Configuration With One RAID...

Page 48: ...inside edge of the chassis These IDs are automatically assigned and appear in RAID controller status tables Figure 4 17 RAID Array Split Bus Configuration Default IDs Figure 4 18 Expansion Unit Split...

Page 49: ...us Configuration With Two Hosts Figure 4 20 Configuration 2 Split Bus Configuration With Two Hosts Figure 4 21 Configuration 3 Split Bus Configuration With One Host Caution A maximum of 16 drive IDs i...

Page 50: ...Manual June 2005 Figure 4 22 Configuration 4 Split Bus Configuration With One Split Bus Expansion Unit Figure 4 23 Configuration 5 Single Bus Configuration With Two Single Bus Expansion Units 0 1 2 3...

Page 51: ...of the supported cables 4 9 1 Connecting a SANnet II 200 SCSI RAID Array The SCSI specification states that the maximum bus length for Ultra3 SCSI is 25 meters 82 feet for point to point connections T...

Page 52: ...8 and the secondary ID SID is set to 9 To avoid SCSI ID conflicts change the newly assigned drive channel PID to 6 and the SID to 7 using the firmware application For details refer to the SANnet II F...

Page 53: ...sion Unit In Figure 4 26 the RAID array and one expansion unit have been set up for a split bus configuration Channel 0 a drive channel is connected to the expansion unit and Channel 2 a drive channel...

Page 54: ...allowed per channel Therefore in a 12 drive array do not connect a split bus channel 0 or channel 2 6 IDs to a single bus expansion unit 12 IDs Note When you configure a host channel as a drive chann...

Page 55: ...ration Channel 3 has been reassigned as a drive channel and connected to the second expansion unit In Figure 4 28 the RAID array and one expansion unit 1 have been configured for split bus configurati...

Page 56: ...er to ensure that all data in the cache is written to disk For details on shutting down see Power Off Procedure on page 4 31 2 Physically cable the new expansion unit to the array using a valid cablin...

Page 57: ...te IP addresses to attached devices as soon as the RAID array is powered up an IP address is assigned to it You can use this IP address to monitor and manage the array s firmware through telnet sessio...

Page 58: ...above to determine the new IP address If you do not have an active DHCP server on the same network as the RAID array or if you prefer to have a fixed IP address use the procedures in Manually Setting...

Page 59: ...y connect to the array using individual protocols such as HTTP HTTPS telnet FTP and SSH Refer to the Communication Parameters section of the SANnet II Family RAID Firmware User s Guide for more inform...

Page 60: ...firmware application you access when you use the telnet command to connect to the IP address of the controller Using an Ethernet connection you can configure and monitor RAID arrays and expansion uni...

Page 61: ...ect to a RAID Array on page 4 26 for more information 4 Press Ctrl L to refresh the screen and view the Main Menu Note If you reset the controller during a telnet session you are disconnected from the...

Page 62: ...e firmware application to further configure the array For example the single bus array with one host and two expansion units see Figure 4 27 configuration requires changing one of the channels from a...

Page 63: ...the firmware application or the CLI before an array is powered off data that is written to cache and that has not been completely written to the disks will be lost To power off an array perform the fo...

Page 64: ...4 32 SANnet II 200 SCSI Array Installation Operation and Service Manual June 2005...

Page 65: ...On With the array powered up but not connected to a server you should see the LED conditions described in Table 5 1 and Table 5 2 Note Whenever media scan is running on a drive its front panel LED fla...

Page 66: ...nformation about silencing audible alarms SNGL LED Inactive no bus configuration invalid state Controller Module ACTIVITY LED Inactive controller not busy Center LED status symbol Slow blinking green...

Page 67: ...any voltage output displayed Voltage thresholds 5 VDC 25 VDC 12 VDC 6 VDC Current thresholds 5 VDC 35A 12 VDC 25A Solid green Solid amber Power supply good Failed One or more output voltages out of r...

Page 68: ...LED status Table 5 4 Drive LED Status LED Status Event Description Solid green No error A drive is working as expected Solid green Unconfigured A drive is not included in an array configuration This...

Page 69: ...incorrect configuration or a failed component Note To test that the LEDs work using a paperclip press and hold the Reset button for 5 seconds All the LEDs should change from green to amber when you p...

Page 70: ...unit Figure 5 5 I O Module for an Expansion Unit The following table lists the I O module LEDs Table 5 5 I O Module Back Panel LEDs Module LED Color Status TERM LEDs ERROR LED SNGL LED RAID only Soli...

Page 71: ...ctive Not active Blinking green Controller is busy Solid green Controller data is in cache Solid amber Power is lost and data is in memory Center LED status symbol Slow blinking green Solid green Soli...

Page 72: ...LED Color Status Power supply fan Monitors the DC output voltage within tolerance specification Overcurrent protection shutting down any voltage output is also displayed Voltage thresholds 5 VDC 25 VD...

Page 73: ...event monitoring unit EMU module has a single LED Figure 5 9 EMU Module The following table lists the EMU module LEDs Table 5 8 EMU Module Back Panel LEDs Module LED Color Status EMU module Solid gre...

Page 74: ...5 10 SANnet II 200 SCSI Array Installation Operation and Service Manual June 2005...

Page 75: ...ezel and Ear Caps Back Onto the Chassis on page 6 10 6 1 Scanning Drives When a SCSI array is powered on the controller scans all physical drives that are connected through drive channels Unlike Fibre...

Page 76: ...er to the SANscape Alert User s Guide for information SANscape Command Line Interface CLI A command line interface utility that provides script based management Refer to the SANscape CLI User s Guide...

Page 77: ...e server and the storage system and provides full services on each path for path failover Refer to the appendix for your host and to the release notes for information about which versions of SANpath s...

Page 78: ...ture and how to replace the battery module refer to the SANnet II Family FRU Installation Guide For more information about the acceptable operating and non operating temperature ranges for your array...

Page 79: ...e failure alarm If you detect this alarm shut down the controller and the server as well if it is actively performing I O operations to the affected array Otherwise system damage and data loss can occ...

Page 80: ...es and voltages are sometimes recorded as well For each event a P or S on the right side of the screen indicates whether the primary or secondary controller in a dual controller configuration issued t...

Page 81: ...r arrow keys to move down to the last event you want to clear and press Return A Clear Above xx Event Logs confirmation message is displayed 4 Click Yes to clear the recorded event logs Note Resetting...

Page 82: ...ade features apply to the controller firmware Redundant Controller Rolling Firmware Upgrade When download is performed on a dual controller system firmware is flashed onto both controllers without int...

Page 83: ...onflicts between multiple operations Note To download firmware to disk drives or SAF TE firmware to a JBOD directly attached to a host you must use the SANscape program 6 7 Replacing the Front Bezel a...

Page 84: ...ear 1 Align the inside round notches of the cap with the round cylindrical posts ball studs on the ear 2 Push the top and bottom of the ear cap onto the ear pressing in on the top side toward the cen...

Page 85: ...front panel and back panel LEDs see Chapter 5 For more troubleshooting tips refer to the SANnet II 200 SCSI Array Release Notes at http www dothill com manuals 7 1 Sensor Locations Monitoring conditio...

Page 86: ...t side power supply Voltage temperature or fan fault PS 1 Right side power supply Voltage temperature or fan fault Temp 0 Left drive temperature sensor 32 F 0 C or 131 F 55 C Temp 1 Center drive tempe...

Page 87: ...rver running the HP UX OS 7 3 JBOD Disks Not Visible to the Host If you attach a JBOD array directly to a host server and do not see the drives on the host server check that the cabling is correct and...

Page 88: ...mpletely transparent to the host Controllers are hot swappable if you are using a redundant configuration and replacing a failed unit takes only a few minutes Since the I O connections are on the cont...

Page 89: ...t Logical drives and look for Status FAILED DRV one failed drive Status FATAL FAIL two or more failed drives 5 Highlight the logical drive press Return and choose view scsi drives If two physical driv...

Page 90: ...cal drives fail and are replaced the rebuild process regenerates the data and parity information that was on the failed drive However the NVRAM configuration file that was present on the drive is not...

Page 91: ...see Troubleshooting SANnet II 200 SCSI JBOD Arrays on page B 13 For overview information about LEDs see Chapter 5 For information about replacing modules refer to the SANnet II Family FRU Installation...

Page 92: ...ce the power supply with known good power supply No 1A Power supply or fan problem End Is the LED ribbon cable on the right ear loose Secure the ribbon cable Replace chassis Yes End Resolved Yes Repla...

Page 93: ...ved No End Yes Is the fan spinning Yes No Try a known good power supply module in that slot Yes No No Reseat the module and turn on the switch No Refer to FRU Installation Guide for instructions No Po...

Page 94: ...s green It is normal for almost all front panel drive LEDs to flash green unless media scanning is terminated For more information refer to the SANnet II Family RAID Firmware User s Guide Caution When...

Page 95: ...rive to see if it is displayed Yes Yes End Reseat the FRU that is not operating correctly Swap the questionable FRU with a known good FRU from the same array Notes Prior to replacing a chassis try the...

Page 96: ...oblem SCSI Continue with 2C All drive LEDs off or amber Reseat both EMU modules LED green Reseat the FRU that is not operating correctly Swap the questionable FRU with a known good FRU from the same a...

Page 97: ...t LED ribbon cable in right ear is not loose Replace the end cap Yes Refer to FRU Installation Guide for instructions 2C Drive LEDs problem SCSI No Is the LED ribbon cable on the right ear loose Secur...

Page 98: ...ollowing flowchart provides troubleshooting procedures for the SANnet II 200 SCSI array front panel LEDs Note The LED ribbon cable referred to in this flowchart is the white cable that connects the fr...

Page 99: ...h 3B Adjust end cap to ensure reset button is not depressed Remove the right end cap Check that the Reset button is not jammed Check that LED ribbon cable in right ear is not loose Replace the end cap...

Page 100: ...that is not operating correctly Swap the questionable FRU with a known good FRU from the same array Notes Prior to replacing a chassis try the following Front panel power LED amber Are both power swi...

Page 101: ...s No No Secure the ribbon cable Is the LED ribbon cable on the right ear loose No End End Yes Yes Reseat the FRU that is not operating correctly Swap the questionable FRU with a known good FRU from th...

Page 102: ...odule LED amber No Yes Yes Yes Is the ambient temp within environmental limits Check temperature in Event Log messages Resolved End Replace chassis No Yes Check that LED ribbon cable in right ear is n...

Page 103: ...is not loose Verify the air conditioning is working properly Fix if needed End Yes Resolved Temp LED Resolved No No Replace controller that reported over temperature error Resolved Replace chassis Ens...

Page 104: ...m is good in another array End No Cable attached End Check TERM LED condition Solid green 5A I O Module Problem SCSI Yes HBA connection and cable good Yes No End Replace item Is power on to HBA Power...

Page 105: ...cabling instructions in Installation Operation and Service Manual Refer to FRU Installation Guide for instructions End Refer to cabling instructions in Installation Operation and Service Manual Solid...

Page 106: ...7 22 SANnet II 200 SCSI Array Installation Operation and Service Manual June 2005...

Page 107: ...SANnet II 200 SCSI Array Physical Specifications Description Desktop Rackmount Height 3 64 in 9 25 cm 2U 3 5 in 8 89 cm Width 19 in 48 26 cm 17 56 in 44 60 cm body Depth Main chassis 18 in 45 72 cm T...

Page 108: ...le host configuration Reliability Redundant hot swappable FRUs Single or redundant active active hot swappable RAID controllers Redundant hot swappable event monitoring units EMU N 1 hot swappable pow...

Page 109: ...d Russia Part of World wide CB Scheme GOST R mark Russia Hygienic Mark ergonomics Electromagnetic Compatibility Country Standard U S FCC 47 Part 15 Subpart B Class B Canada ICES 003 Japan VCCI Class B...

Page 110: ...2005 Surge EN 55024 1kV I O 1kV Power L L 2kV Power L G RF Conducted EN 55024 3V I O and Power Power Frequency Magnetic Field EN 55024 N A monitors only Voltage Dip and Interruption EN 55024 0V 0 5cy...

Page 111: ...Management Tools on page B 9 Monitoring with SANscape on page B 9 Event Messages from the SANscape Alert on page B 12 Monitoring with the SANscape CLI on page B 12 Downloading Firmware to Disk Drives...

Page 112: ...roller firmware to manage the disks this CLI support is necessarily limited For details see Monitoring with the SANscape CLI on page B 12 B 2 Connecting a SANnet II 200 JBOD Array The SCSI specificati...

Page 113: ...per right port of the JBOD with the SCSI jumper cable Connect the lower right input port to one host with a SCSI cable Caution Before you disconnect a cable from the array the host bus on that cable m...

Page 114: ...Connect each upper JBOD output port to a host server with a SCSI cable Caution Before you disconnect a cable from the array the host bus on that cable must be inactive Caution Physical drive IDs are...

Page 115: ...l terminator The upper I O SCSI connectors are auto terminated In a split bus configuration the physical drive ID numbers automatically change according to the cabling Single initiator mode has only o...

Page 116: ...Guide B 5 1 Connecting a Split Bus JBOD to One Host To connect a split bus JBOD perform the following steps 1 Stop any I O on the host bus that will have a cable installed on the bus 2 Connect each JB...

Page 117: ...t connection or external terminator The upper I O SCSI connectors are auto terminated In a split bus configuration the physical drive ID numbers automatically change according to the cabling Multi ini...

Page 118: ...CSI bus integrity Note Before you disconnect a cable from the array the host bus on that cable must be inactive Caution Physical drive IDs are set based on the cabling on the array when it is powered...

Page 119: ...rray It also supports to a limited degree standalone SANnet II 200 SCSI JBOD arrays Since standalone JBOD arrays do not have a RAID controller to manage the disks this software support for JBODs is li...

Page 120: ...k OK The JBOD array is displayed in the main window In a single bus configuration both ports of the JBOD array are connected to one HBA on the server as shown in the following example Figure B 5 Singl...

Page 121: ...ed so that it is easy to identify when a device is in a state that requires attention The status is propagated along the device tree enabling you to trace a failure down to the device level See Table...

Page 122: ...rform the following steps 1 Select the event monitoring unit EMU icon 2 Choose View View Enclosure To display FRU ID information click View FRU Figure B 7 View Enclosure Dialog Box B 9 Event Messages...

Page 123: ...Nnet II 200 JBOD Array Use your standard host system disk management utilities for all disk management in a JBOD array such as partitioning and formatting Refer to your host system documentation for m...

Page 124: ...oblem was occurring once a week on average before a potential fix was made running two weeks without seeing the problem again suggests a successful fix took place Troubleshooting hardware problems is...

Page 125: ...s with 90 degree or more bends in them If you find any of these conditions replace the cable The Figure B 8 flowchart provides troubleshooting procedures specifically for JBODs and expansion units For...

Page 126: ...lved End Yes Check for proper cabling 1 Resolved No No End Yes Yes Is the initial drive light still amber Continue with 7B No 7A JBOD or Expansion Unit Problem SCSI End Continue with 7E End End No Rep...

Page 127: ...o Reseat I O module with known good Resolved End No Resolved Replace controller Yes End Yes End Replace I O module with known good Resolved Yes End No Replace chassis Yes Notes 1 When checking the cab...

Page 128: ...eplace drives with known good drive Resolved End Yes No No 7C JBOD or Expansion Unit Problem SCSI End Replace chassis No Notes 1 When checking the cabling look for bent pins loose wires loose cable sh...

Page 129: ...d drive Resolved End Yes No No 7D JBOD or Expansion Unit Problem SCSI Check for proper cabling 1 Notes 1 When checking the cabling look for bent pins loose wires loose cable shielding or loose cable c...

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Page 131: ...to repeat To understand the beep codes listen to the sequence of codes until you can break down the sequence into its separate alarms You can also check your software or firmware for alarms error mes...

Page 132: ...2005 Caution Be particularly careful to observe and rectify a temperature failure alarm If you detect this alarm shut down the controller and the server as well if it is actively performing I O opera...

Page 133: ...pinouts for each connector used in the SANnet II 200 SCSI array Topics covered are SCSI Host or Drive Connector on page D 1 RJ 45 Connector on page D 3 DB9 COM Port Connector on page D 4 D 1 SCSI Hos...

Page 134: ...ity 1 6 Data 0 40 Data 0 7 Data 1 41 Data 1 8 Data 2 42 Data 2 9 Data 3 43 Data 3 10 Data 4 44 Data 4 11 Data 5 45 Data 5 12 Data 6 46 Data 6 13 Data 7 47 Data 7 14 Parity 0 48 Parity 0 15 Ground 49 G...

Page 135: ...10 34 Data 11 68 Data 11 Table D 2 Ethernet RJ 45 Pin Descriptions Pin No Description Color 1 TX White with orange 2 TX Orange 3 RX White with green 4 Not connected Blue 5 Not connected White with bl...

Page 136: ...requires a male DB9 null modem cable Figure D 3 RS 232 DB9 EIA TIA 574 View of the Male End Table D 3 Pin Names Pin No Name Notes Description 1 DCD Data Carrier Detect 2 RD Receive Data a k a RxD Rx 3...

Page 137: ...for the serial port connection and using the tip command to access the array remotely For more information about the baud rate and other communication settings see Configuring a Host COM Port to Conn...

Page 138: ...on some keyboards and pressing the letter L key on your keyboard E 2 Editing the sd conf File Edit the kernel drv sd conf file to add more targets and LUNs up to 128 LUNs which can be used in a singl...

Page 139: ...Corp ident sd conf1 998 01 11 SMI name sd class scsi class_prop atapi target 0 lun 0 name sd class scsi target 15 lun 0 NEW LUNs have been appended to the default settings in the file starting here na...

Page 140: ...n files include kernel drv qus conf and kernel drv glm conf Edit the file which is appropriate for your HBA Note Refer to the driver conf 4 man page for information and syntax to use Refer to your HBA...

Page 141: ...is can have the desired effect it can also cause interference with other storage devices attached to the same host 2 Reboot the host to implement the file changes The Solaris 8 OS requires a reconfigu...

Page 142: ...mand Whenever you create a volume label it using the following procedure For more information on the format command see the format 1M man page To label a volume perform the following steps 1 On the da...

Page 143: ...ssd w50020f230000b28e 1 6 c0t8d0 DotHill SANnetII 0200 cyl 34901 alt 2 hd 128 sec 256 pci 70 2000 pci 2 qlc 4 fp 0 0 ssd w50020f230000b719 0 7 c0t8d1 DotHill SANnetII 0200 cyl 34901 alt 2 hd 128 sec...

Page 144: ...are displayed by the type option FORMAT MENU disk select a disk type select define a disk type partition select define a partition table current describe the current disk format format and analyze th...

Page 145: ...isible reboot the host s with the reboot r command so that the drives are visible to the host AVAILABLE DRIVE TYPES 0 Auto configure 1 Quantum ProDrive 80S 2 Quantum ProDrive 105S 3 CDC Wren IV 94171...

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Page 147: ...d instructions about setting up the device driver on the server and for additional information about configuring your Windows 2000 Server or Advanced Server The information in this appendix supplement...

Page 148: ...package contents to connect the serial cable to a DB25 serial port on your host if you do not have a DB9 serial port 2 Power up the array 3 On the Windows 200x server choose Start Programs Accessorie...

Page 149: ...tart Find For Files or Folders Enter the connection_name and click the Search Now button Highlight and right click on the filename in the Search Results window select Create Shortcut and click Yes You...

Page 150: ...II 200 SCSI Array Release Notes for current information about which HBAs are supported Also make sure that you are using a supported driver for your HBA For the Adaptec 39160 use FMS V4 0a or later 1...

Page 151: ...r F 5 4 Select your new device when it is displayed 5 Right click in the Unallocated partition of your device to display a pop up menu 6 Select Create Partition from the pop up menu A Create Partition...

Page 152: ...fy the amount of disk space to use or accept the default value and click Next 10 Assign a drive letter if desired and click Next 11 Select Format this partition with the following settings a Specify N...

Page 153: ...ick Next A confirmation dialog displays the settings you have specified 12 Click Finish The new partition is formatted and the formatted partition is identified as NTFS in the Computer Management wind...

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Page 155: ...the Adapter BIOS When booting the server watch for the host bus adapter HBA card BIOS message line to show up and then press the proper sequence of keys in order to get into the HBA BIOS Key strokes...

Page 156: ...er reboots Repeat this procedure for every HBA that is going to be attached to the SANnet II 200 SCSI array G 2 Multiple LUN Linux Configuration By default the Linux kernel does not support multiple L...

Page 157: ...for the Command action and press Return Two choices are displayed e extended p primary partition 1 4 Only four primary partitions are allowed per array All additional partitions must be added as exten...

Page 158: ...create a directory to use as the mount point 2 Type this command 3 To mount your filesystem type the following where x 1 for this partition G 6 Mounting the Filesystem Automatically You can label the...

Page 159: ...file 4 To check to see if fstab was set up correctly type If the mount point and the fstab file are correctly set up no errors appear 5 To verify it is mounted and list all mounted filesystems type 6...

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Page 161: ...your IBM server The information in this appendix supplements the configuration steps presented in Chapter 4 and covers the following topics Setting Up a Serial Port Connection on page H 1 Accessing t...

Page 162: ...connect through a serial port on your IBM server consult the hardware information for your IBM host system to locate a serial port you can use for configuring the SANnet II 200 SCSI array The system...

Page 163: ...g configured is dev tty0p1 Note To return to the Kermit prompt type Ctrl and then C To exit Kermit first return to the Kermit prompt and then type exit kermit Executing usr share lib kermit ckermit in...

Page 164: ...m Management Interface Tool SMIT SMIT can be used with a graphical user interface GUI if your host is configured with a graphics card or if you want to export your display to an X Windows terminal SMI...

Page 165: ...a volume group consists of one or more Physical Volumes A physical volume can be a single physical disk or a partition of a disk array In this appendix the physical volume is the disk device you iden...

Page 166: ...t to Number of LOGICAL PARTITIONS 7 Type the values you want to use for the other parameters on the Add a Logical Volume screen or accept the default values When the logical volume is created a status...

Page 167: ...e file system H 8 Mounting the New File System 1 Return to the File Systems screen 2 Choose List All File Systems from the File Systems menu to see the names of all file systems 3 Identify the name of...

Page 168: ...H 8 SANnet II 200 SCSI Array Installation Operation and Service Manual June 2005 3 Display the attributes of the new file system df k mountpoint...

Page 169: ...ions about setting up the device driver on the server and for additional information about configuring your HP server The information in this appendix supplements the configuration steps presented in...

Page 170: ...y configuration see Setting Up the Serial Port Connection on page F 1 for Windows 2000 systems If you prefer to connect through a serial port on your HP server consult the hardware information for you...

Page 171: ...he parameters as shown in the following example Use the device specific name for the serial port you are using In the example the serial port being configured is dev tty0p1 kermit Executing usr share...

Page 172: ...s of the host channels you want to use 3 Map the partitions containing storage that you want to use to the appropriate host channels Partitions must be assigned to LUNs in sequential order beginning a...

Page 173: ...e HP UX s method for dividing and allocating disk storage capacity Volume groups can be used to subdivide a large partition of storage into smaller units of usable space called logical volumes Each vo...

Page 174: ...e for the group in that directory The name of the directory is the name of the volume group By default HP UX uses names of the format vgNN but you can chose any name that is unique within the list of...

Page 175: ...ze field the default is 4 Mbyte so the total capacity of this volume group is 2167 x 4 Mbyte 8668 Mbyte The Alloc PE field shows the numbers of physical extents allocated to logical volumes At this po...

Page 176: ...specify otherwise HP UX creates names in the form shown in the example To specify custom names for logical volumes see vgcreate 1M I 9 Creating an HP UX File System The following command creates a fil...

Page 177: ...Make a copy of the existing fstab file 2 To include the file system created in the example add the following line to the file etc fstab See the entry for fstab 4 for details on creating etc fstab ent...

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Page 179: ...are designed only for SANnet II products and should not be used with other equipment Scanning Drives on page 6 1 Removed statement in section 2 2 5 that CLI does not have a command that can force the...

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Page 181: ...bus configurations 4 10 C cabinet mounting an array 3 3 cabling cables supplied 3 2 configurations 4 10 customer provided 3 3 drive IDs label summary 4 10 Ethernet connection 4 28 expansion units 4 20...

Page 182: ...s silencing 6 5 fan LED 5 3 fan module FRU 1 7 fans troubleshooting 7 7 fatal drive failure recovering from 7 4 fault tolerance 7 4 field replaceable units See FRUs firmware controller failure rebuild...

Page 183: ...S G 1 configuring G 1 making a filesystem G 3 mounting a filesystem G 4 multiple LUNs G 2 LUNs adding in Solaris E 2 assigning in HP UX I 4 number supported A 2 recognizing in AIX H 4 recognizing in L...

Page 184: ...serial port connection F 1 serial port parameters 4 26 H 3 I 4 setting an IP address 4 27 silencing alarms 6 5 single bus cabling procedures 4 11 configurations 4 10 drive IDs 4 14 icon 4 10 site plan...

Page 185: ...5 Windows 2000 servers accessing HyperTerminal F 3 configuring server F 1 new devices and LUNs F 4 SANpath F 1 serial port parameters F 1 writing events to log files B 15 Y yellow device status item...

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