Instruction/ maintenance manual of the product G5312/G7313 Chaparral
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G- and K-Series External RAID Board Controller G5312/G7313 K5312/K7313 User ’ s Guide.
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i Copyright ©1999, 20 00 Chaparr al Network St orage, Inc. Docume nt Number: 07-0033-003 This docum ent cov ers G5312, G731 3, K5312 , and K7313. All rights re served. No pa rt of this public ation may be reproduced without the prior written consent of: Chap arral Netw ork Sto rage, In c.
ii ! Connect the equip ment to a n outlet on a circuit differe nt from tha t to which the receive r is conne cted. ! Consult th e dealer or an experienc ed rad io/telev ision technici an for he lp.
iii Contents 1 Introduction About This Guide 1-1 Convent ions 1-2 Product Feat ures 1-2 Motherbo ard CPU Su bsys tem (G-Seri es) 1-2 Motherboard Ultra2 SCSI Channels (G-Series) 1-2 Motherboard Disk Ca.
G- and K- Series User ’ s Guide iv Environmental (K-Series) 1- 11 Battery (K-Series) 1-12 Reference Documents 1-13 External Documents 1-13 Chaparral Documents 1-13 2 Hardware I nstallation Connect i.
Contents v 5 Monitoring System Status Displaying the Event Log 5-1 Viewing the Most Recent Even t 5 -2 Viewing One Event at a Time 5-2 Viewing a Whole Screen of Ev ents 5-4 Capturin g the Event Log Fi.
G- and K- Series User ’ s Guide vi Config uring LUN Zoning 7-15 Changing t he Sampl e Rate 7-17 Changing the Alarm Mute Settin g 7 -18 Locking the Cache Setting 7-20 Enabling and D isabling the Batt.
Contents vii Device SCSI Ch annel Pro blems 9-4 Probl ems During Bootup 9-4 Contro ller Prob lems 9-5 Warning And Error Events 9-6 Warnin gs 9-7 Errors 9-8 Using the Loader Diagn ostics Menu 9-9 Using.
G- and K- Series User ’ s Guide viii.
1-1 1 Introduction This User ’ s Guide explains how to install and use the C haparral G- and K-Series External RAID Controllers , which are designed to be installed in a RAI D enclosure and used with a ho st system t o provi de a powerfu l disk subs ystem.
G- and K- Series User ’ s Guide 1-2 Conventions This Guide uses several typ ographical co nventions to help exp lain how to use the controller . Prod uct Fea tures The following sections describe the features of the G- and K-Series RAID controllers.
Introduction 1-3 ! Supports full backward compatibility for asynchronous, fast, Ultra 1, and Ultra2 SCSI (80 MB/sec) ! SCSI terminators and term ination power sources mus t reside in the enclo sure subsy stem Note: Ther e is no suppor t for high -voltage dif ferential (HVD) SCSI (RS-485 S CSI-3 compliant).
G- and K- Series User ’ s Guide 1-4 ! General purpos e I/O for enclos ure-specific fun ctions to backplan e connector interface ! SAF-TE s upport f or enclos ure managem ent.
Introduction 1-5 ! Supports full backward compatibility for asynchronous, fast, Ultra 1 (40 MB/sec), and Ultra2 SCSI (80 MB/sec) ! Onboard Ultra2 SCSI terminator s supporting auto-detection and auto- .
G- and K- Series User ’ s Guide 1-6 Hardware Configuration a nd Management S upport (K-Series) ! RS-232 serial por t for configura tion and troubl eshootin g ! Analog-to-digital con verter for power.
Introduction 1-7 Specifications The following s ections describe the physical, electrical, env ironmental, and battery specifications of the G- and K-Series.
G- and K- Series User ’ s Guide 1-8 Environmental (G-Series) T able 1-3 shows the env ironmental specifications o f the controllers: <-6. 5%, >+ 10.0 C ont roller shut down (failure) <4. 67 Vd c, 5.5 Vdc +12V +12 Vdc 0.6A m ax ba ttery charging 0.
Introduction 1-9 Battery (G-Series) T able 1-4 sh ows the s pecifications of the G5 312/G7313 battery avai lable from Chaparral: A fully cha rg ed batter y can pro vide a mini mum of 72 h ours backup time u sing all ranges of DIMM sizes. Replace ba tteries only with the same type as provided by the manufacturer .
G- and K- Series User ’ s Guide 1-10 Physical (K-Series) T able 1-5 shows t he physical specificatio ns of th e motherbo ard and daug hterboard. Electrical (K-Series) T able 1-6 shows the electrical specifications of the controller s. T a ble 1-5 . Physic al Specifi catio ns Item Specific ations Mot herboard Form fact or: 4.
Introduction 1-1 1 Environmental (K-Series) T able 1-7 shows the env ironmental specifications o f the controllers. A/D M onito ring ± 8.0% norm al o perat ion 1 1.04 Vdc to 12 .96 Vdc ± 10.0% de graded mo de (wa rning alert) (10. 8 Vd c) (1 3.2 Vd c) >± 10.
G- and K- Series User ’ s Guide 1-12 Battery (K-Series) T able 1-8 shows the s pecifications of the batte ry available from C haparral. Note: Outside these limits the battery life will be diminish ed.
Introduction 1-13 Reference Do cuments External Documents ! Adaptec’ s AIC-7890 /91 and AIC -7896, PCI Bus Master Single-ch ip L V DS Ultra II ASIC Data Book ! Adaptec’ s AIC-1 160, PCI Bus Mast e.
G- and K- Series User ’ s Guide 1-14.
2-1 2 Hardware Installation This chapter explains how to connect the controller in your RAID enclosure to your netw ork a nd host c ompu ter . Connecting the Controll er Y o ur controller is already installed in an enclosure.
G- and K- Series User ’ s Guide 2-2 T o connect to the Fibre Channel port: 1 Be sure the enclos ure power is turned of f. 2 Connect one end of the Fibre C hannel cable to the FC port o n the enclosure. 3 Connect the othe r end of the Fibre Channel cable to a server’ s HBA or to an arbitrated loop hub or fabric switch.
Hardware Installation 2-3 T o connect to the RS-232 port: 1 Be sure the enclos ure power is turned of f. 2 Using a straight-thro ugh serial cable, conn ect one end o f the cable to the ser ial port on the enclos ure. 3 Connect the oth er end of the s erial cable to the serial po rt on the compu ter that will monitor and configure the controller .
G- and K- Series User ’ s Guide 2-4.
3-1 3 Accessing the Disk Array Administ rator Softwa re Y o u can dis play and ch ange a variety of setti ngs using the Disk Array Administ rator software.
G- and K- Series User ’ s Guide 3-2 Set the communications parameters for the terminal program as follows: T o acces s the Disk Array Administrator softwar e using the RS-232 serial port : 1 From the computer con nected to the controller , start your terminal emulation software.
Acces sing the Disk Array Adm inistrator Software 3-3 3 Press Enter . The System Menu disp lays. Y o u can now perform all o f the fun ctions des cribed in fo llowing ch apters. All steps star t from the Syst em Menu. If an alar m condition has occurred, you will see a message ab out the pr oblem.
G- and K- Series User ’ s Guide 3-4 Note: After f our minutes of inactivity , th e Disk Array Administrator software times out and returns to the initial screen.
Acces sing the Disk Array Adm inistrator Software 3-5 Figur e 3-1 . Menu tree.
G- and K- Series User ’ s Guide 3-6 Figure 3-2 . Menu tree (cont inued) ❒.
4-1 4 Creating and Managing Arrays Using the Disk Array Administrator , you can create and manage arr ays. Y ou can perform the following array-related functio ns: ! Create arrays (see page 4-1) ! V i.
G- and K- Series User ’ s Guide 4-2 Note: Bef ore you create more than one array , you must be sur e that your host operating system su pports multip le Logical Unit Numbers (LUNs). Most operating sy stems do, or hav e an option you can enable to support multiple LUNs.
Creating and Manag ing Arrays 4-3 If you d o not wa nt to name the array , you can j ust pr ess Enter . Y ou can add or change the name later . The LUN screen di splays. 3 Select the LUN for the array and pres s En ter . The LUN that displays is the suggest ed default LUN assignment.
G- and K- Series User ’ s Guide 4-4 The RAID T ype s creen dis plays. 4 Select the array type: RAID0 , RAID3, RA ID4, R AID5, RAID5 0, VOLUME (a single drive similar to just a bunch of disks (JBOD) except that it inclu des metadata), or MIRRORED and press Enter .
Creating and Manag ing Arrays 4-5 5 Enter the n umber of dr ives (excluding spar es) you want in the array an d press Enter . The Select Drives screen dis plays with a list of all available drives, in.
G- and K- Series User ’ s Guide 4-6 7 If the Number of Spares screen dis plays, enter the num ber of spares you want to add and pr ess Ente r . This creates dedicated spares that can only b e used by this arr ay . A dedicated spare drive will not be available for any other use.
Creating and Manag ing Arrays 4-7 appropriate chunk size, refer to your operating s ystem documentation . For example, th e default chun k size fo r W indo ws NT and m any other o perating systems is 6 4 KB. If you are u sing the array for a database with ve ry small records, y ou may want to us e a smaller chunk size.
G- and K- Series User ’ s Guide 4-8 Managing Arrays The Disk Array Admini strator softwar e lets you manage you r arrays i n a variety o f ways. Y ou can: ! V iew array and drive s tatus (see page 4.
Creating and Manag ing Arrays 4-9 ! WBcache—Status of the write-back cache (enabled or disabled) for this array . ! Created—Date the array was created. ! Utility—Utility running (None, V erify , Reconstruct, Expand, or Initialize). T o view the stat us o f an array: 1 From the System Menu, select Array Menu and pres s Enter .
G- and K- Series User ’ s Guide 4-10 3 Select Array Status and press Enter . The status screen displays showing the s tatus of the array you selected. 4 Press Esc to return to the Array Menu. V iewing Array Statisti cs Y o u can view the curren t array statistics.
Creating and Manag ing Arrays 4-1 1 2 Select the array you want and press Enter . The Array Menu screen displays. 3 Select Array Statis tics and press Enter . The statistics menu screen displays. 4 Select V iew Statistics and press Enter . The statistics screen displays showing the statistics of the array you selected.
G- and K- Series User ’ s Guide 4-12 Resetting Array Statistics Y o u can reset the follow array statistics to zero: ! Read ! W rite ! SecRd ! SecWt ! I/O Size Note: R esetting statistics here also resets th e statistics for this array that are included in the aggreg ate statistics.
Creating and Manag ing Arrays 4-13 V iewing Drive Sta tus Y o u can view the status of the drives in an array , including the following infor mation: ! Drive number—This drive’ s sequential positi.
G- and K- Series User ’ s Guide 4-14 The drive statu s screen displays s howing the drives that are members of the array and that ar e assigned as ded icated spares. Use the ↑ or ↓ arrow keys to scroll thr ough the drives. These are the drives that are currently mem bers of the ar ray .
Creating and Manag ing Arrays 4-15 V erifying an Ar ray The V erify function allows y ou to verify the d ata on the specified array (RAID 3, RAID 4, RAID 5, RA ID 50, and mirror ed arrays only): ! RAID 3, RAID 4, RAID 5, and R AID 50—V erifies al l parity bl ocks i n the selected array an d corrects any bad parity .
G- and K- Series User ’ s Guide 4-16 4 Select Start V erify and pres s En ter . V erification b egins and the percentage of veri fication completed di splays. Y ou can continue to u se the array du ring verification. T o return to the verification m enu, pres s Esc .
Creating and Manag ing Arrays 4-17 Stopping t he V erificati on Y o u can stop the verification process. Normally , you want to let the verification finish, thou gh stop ping it does not cause an y damage to your data. Y o u may want to stop th e verificatio n if you w ant improve performan ce of the cont roller f or another application.
G- and K- Series User ’ s Guide 4-18 Expanding Array Capac ity Y o u can expand array capacity witho ut stopping I/O activity , so you can co ntinue using the array while the exp ansion proces s runs.
Creating and Manag ing Arrays 4-19 T o expand an array: 1 From the System Menu, select Array Menu and pres s Enter . The Select Array screen displays with a list of existing arrays. 2 Select the array you want and press Enter . The Array Menu screen displays.
G- and K- Series User ’ s Guide 4-20 6 Press Enter . The list of available drives sc reen displays. 7 Select the drives you want to add from the lis t of available dr ives and pres s Enter . Only available drives, that is , drives that are not mem bers of an array a nd are not assigned as a d edicated or pool s pares, display .
Creating and Manag ing Arrays 4-21 3 Select Expa nd Fu ncti on and pr ess Enter . The expand menu disp lays. 4 Select V iew Expand Sta tus and pr ess Enter .
G- and K- Series User ’ s Guide 4-22 Changing the Array Name Y o u can change the name of the array . This does not af fect the tar get ID or LUN values of the array . The controller does not allow you to change an array name when a utility is running.
Creating and Managing Arrays 4-23 Caution: The trust array feature can cause unstable operation an d data loss if used improperly . This feature is intended for disaster recover y . T o trust an arra y: 1 From the System Menu, select Co nfigurat ion Menu and press Enter .
G- and K- Series User ’ s Guide 4-24 Deleting an Array Y o u can delete an array when you no longer need the array or you need the drives for another use. Caution: Deleting an array deletes the data contained in the array; however , before reusi ng the drives, you should do a low-l evel for mat on each drive.
5-1 5 Monitoring System Status Y o u should monitor your s ystem regularly to ensure that the co ntroller , disks, and arrays are work i ng pr operly .
G- and K- Series User ’ s Guide 5-2 ! Array critical ! Arra y offl ine ! T emperature warning ! T emperature failure ( this leads to a shutd own which is also logged) ! V oltage warning ! V oltage failure (this leads to a shutdown which is also logged) The event log s tores the most recent 400 events.
Monitoring Sy stem Status 5-3 T o disp lay one event at a tim e: 1 From the System Menu, select Event Log Me nu and press Enter . The Event Log Menu screen displays . 2 Select V iew Event Log and press Enter . The Event Log screen displays the last event that o ccurred.
G- and K- Series User ’ s Guide 5-4 Viewing a Whole Screen of Events Y o u can also view events from the log file a who le s creen at time. This let s you quickly review all recent ev ents . The events d isplay in chronological o r der , that is, the most recent event is last.
Monitoring Sy stem Status 5-5 2 From the T ransfer menu in HyperT erminal, select Capture T ext. The Capt ure T ext window displays. 3 Enter the path and file name you want to use to store the log file contents. 4 Click Start . 5 Press P on the keybo ard to begin the transfer .
G- and K- Series User ’ s Guide 5-6 Contro lle r LUN SOFT , NONE, or specific number as set in th e Dis k Array Administrator software. T o pology (G7313 an d K7313 only ) Always Loop.* Node WWN (G7313 an d K7313 only ) FC W or ld Wide Name for n ode.
Monitoring Sy stem Status 5-7 CHAN 1 Initiator ID SCSI ID of controller on Channel 1 as set in the Disk Array Administrator software. Ultra/U2 Hardware runs as Ultra2. CHAN 2 Initiator ID SCSI ID of controller on Channel 2 as set in the Disk Array Administrator software.
G- and K- Series User ’ s Guide 5-8 * If you have installed the new optional Fibre C hannel interface upgrad e, you can also use the Point-to-Point topology . T o display hardwar e informatio n only: 1 From the System Menu, select Utili ties Menu and press Enter .
Monitoring Sy stem Status 5-9 2 Select Hardware I n formation and press Enter . The Hardware Inf ormation screen displays. 3 Press Esc to return to the Utilities Menu.
G- and K- Series User ’ s Guide 5-10 T o display hardwa re and configuratio n information : 1 From anywhere in the Disk Array Administrator so ftware, press CTRL-E . The first screen o f events from the event log displays . 2 Press CTRL-E again. The Hardware Inf ormation screen displays.
Monitoring Sy stem Status 5-1 1 Displaying Ov erall Statistics Y o u can display two types of agg regate statistics for all array LU Ns: ! General statistics (Similar stat istics are also available for individual array LUNs. For more information, see V iewing Array Statis tics on pag e 4-10.
G- and K- Series User ’ s Guide 5-12 T o acces s the general array s tatistics: 1 From the System Menu, select Utili ties Menu and press Enter . The Utilities Menu screen displays. 2 Select Overall Statistics and press Enter . The Overall Statistics screen displays.
Monitoring Sy stem Status 5-13 T o acces s the read/write histog ram: 1 From the System Menu, select Utili ties Menu and press Enter . The Utilities Menu screen displays. 2 Select Overall Statistics and press Enter . The Overall Statistics screen displays.
G- and K- Series User ’ s Guide 5-14 Resetting Overall Statis tics Y o u can also reset all of the overall statistics back to zer o. Y ou may want to reset the statisti cs if you are monit oring performan ce or doing benchmar k testing. Note: Resetting st ati stics here also resets the s tatistics for each indi vidual array .
6-1 6 Managing Spares Chaparral RAID controllers automatically reconstruct redundant (fau lt-tolerant) arrays (R AID 3, RAID 4, RAID 5, RAID 50, and mirrored) if an array becomes critical and a properly s ized spare drive is available. An array b ecomes critical when one or mor e member drives fails.
G- and K- Series User ’ s Guide 6-2 While using a dedicated s pare is the mo s t secure way to provide spar es for your arrays, it is also expensive to keep an idle drive assigned to each array . An alternative method is to assign o ne or mo re idle drives to the s pare pool.
Managing Spares 6-3 Deleting a Dedi cated Spare Y o u can delete a dedicated spare drive fro m an array at any ti me. T o delete a dedicated spare drive: 1 From the System Menu, select Array Menu and p ress Ente r . The Select Array screen displays with a list of existing arrays.
G- and K- Series User ’ s Guide 6-4 T o enable dynamic spar es : 1 From the System Menu, select Co nfigurat ion Menu and press Enter . The Confi guration Menu screen displays . 2 Select Option Conf iguration and press En ter . The Option Configuration screen displays.
Managing Spares 6-5 Managing th e Spare Pool The spare p ool lets you ha ve one or more disk dr ives available for the reconstruction of redund ant arrays (Mirrored [RAID 1 and RAID 10] and Par ity [RAID 3, RA ID 4, RAID 5, and RAID 50]) arrays.
G- and K- Series User ’ s Guide 6-6 2 Select Add Pool Sp are and pres s Enter . The Select Drives screen displays . 3 Select each spare drive yo u want to add and press Enter . Deleting a Spar e from the Spare Pool Y o u can delete a spare from the spare po ol at any time.
Managing Spares 6-7 Displaying the Spare Po ol Y o u can display a list of the all of the pool spares. T o display t he spare p ool: 1 From the System Menu, select Pool S par e Menu and press Enter . The Pool Spare Menu s creen displays. 2 Select Displ ay Pool Spar es and press Enter .
G- and K- Series User ’ s Guide 6-8.
7-1 7 Configuring the Controller The Disk Array Administrator l ets yo u configure settings and perform a variety of functions on the controller . Y o u can: ! Reboot the controll er (see page 7-1) ! .
G- and K- Series User ’ s Guide 7-2 Caution: Anyone acces s ing an array when you shut down the co ntroller will lose access and may lose data. T o shut down and r estart the contr oller: 1 From the System Menu, select S hutdown/R estart and press Ente r .
Configuring the Controller 7-3 3 Select Set Date and press Enter . The Set Date s creen displays. 4 Enter the d ate you want and p ress En ter . Enter the date in the following format: MM/DD/YYYY . The system conf irms that you want to make the chan ge.
G- and K- Series User ’ s Guide 7-4 3 Select Set Time and press Enter . The Set T ime screen displays. 4 Enter the time you want and press Enter . Enter the time in the following format: hh:mm:ss. The system conf irms that you want to make the chan ge.
Configuring the Controller 7-5 ! Control ler LUN—Y ou only need to assi gn a controller LUN i f you are using the Configuratio n Application Program Interface (CAPI) to conf i gure the con t roller over a hos t channel via SCSI protocol extensio ns.
G- and K- Series User ’ s Guide 7-6 Changing the Controller ’ s T arget ID and LUN Y o u can change the controller’ s target ID or L UN, if necessary: ! T arget ID—This is either the SCSI target ID for th e G5312 or K5312 or the controll er ’ s FC Loop ID fo r the G7313 or K731 3.
Configuring the Controller 7-7 – Any number between 0 and 7—Select a specific number i f you want th e controller ’ s LUN to stay the same when you reboot. T o change the co n tro l ler’s target ID and LUN: 1 From the System Menu, select Co nfigurat ion Menu an d press Ente r .
G- and K- Series User ’ s Guide 7-8 The Controller LUN screen displays. 5 Select the o ption or number yo u want to us e. The system conf irms that you want to make the chan ge. 6 Select Ye s and pres s Enter to make the changes. Keep the same Loop ID for the channel at al l times ! Selec t the [Loo p ID] you wa nt to use and pre ss Enter .
Configuring the Controller 7-9 Configuring the SCSI Channels Y o u can change two channel conf i guration op ti ons for each channel: ! Channel speed—Y ou can change the ch annel speed for each S CSI channel on the controller . Y ou can select Ult ra or Ultra2.
G- and K- Series User ’ s Guide 7-10 3 Select the channel you w ant and pres s Enter . The Ultra/U2 screen di splays.The current s etting is marked w ith an * next to it 4 Select the setting you want and press Enter . The initiator ID screen displays showing the current initiator ID.
Configuring the Controller 7-1 1 W o rking w ith LU N Zonin g The controller’ s LUN zoning capability lets you specify which s ervers (h osts) can access each array . This giv es you complete control of ar ray access based on you r specific needs. LUN zon ing is only available on the G7313 and K7 313 models.
G- and K- Series User ’ s Guide 7-12 Vi ewing Known WWNs Y o u can view a list of all server (hos t) WWNs that the controller is aware o f on your SAN. The controller will be aware o f any server that was booted si nce the controller was last restarted.
Configuring the Controller 7-13 3 Select Display H ost Li st and press Enter . The Disp l ay Hos t List screen dis plays showing al l WWNs known to the controller .
G- and K- Series User ’ s Guide 7-14 Creating Names (Aliase s) for Server WWN s Y o u can give the servers on y our SAN names (aliases) th at you can eas ily recognize to make LUN zoning easier to manag e. F or example, yo u can use the computer name that has already been assigned to each server .
Configuring the Controller 7-15 Note: If you have not manual ly assigned a WWN an al ias, the controller will attempt to give the WWN a default name. The default name, if available, is the name of the manufacturer of the s erver ’ s host bus adapter (HBA), enclosed in an gle brackets.
G- and K- Series User ’ s Guide 7-16 3 Select LUN Zonin g and press En ter . The LUN Exclu de List or LUN Inc l ude List s creen displays. The defaul t setting for each array LUN is Include All Hosts. This results in all servers (hosts) being able to access all ar rays.
Configuring the Controller 7-17 Include All H osts —Permits all servers (hosts) on the network to access the selected array . This is the default zone type. This results in all servers (hosts) being able to acces s all arrays. If yo u have already created an include o r exclude list, you can use this option to override the list .
G- and K- Series User ’ s Guide 7-18 Changing t he Alarm Mute Sett ing Y o u can enable or disable the audible alarm that sounds when the controller becomes too hot, detects low or high voltage, or an array becomes critical or of fline. Changing the mute setting lets you turn off the alarm when it is sounding.
Configuring the Controller 7-19 T o enable or d isable the alarm : 1 From the System Menu, select Co nfigurat ion Menu an d press Ente r . The Confi guration Menu screen displays. 2 Select Alarm Mute and press Enter . The Alarm Mute scre en displays. The current setting is marked with an * next to it.
G- and K- Series User ’ s Guide 7-20 Locking th e Cache Setting Y o u can prevent host systems from using SCSI mod e select commands to change th e controller ’ s write-back cache setting. Some operating systems disable write cache. If cache lock is enabled, the h o st cannot modify the cache setting.
Configuring the Controller 7-21 3 Select Cache Lock and press Enter . The Cache Lock screen displays. The current s etting is marked with an * next to it. 4 Select the o ption you want and press Enter . Enabling and Disabling the B attery If you are no t usin g a battery in you r controller , the contr oller will soun d an alarm.
G- and K- Series User ’ s Guide 7-22 3 Select Battery and press Enter . The Battery screen d isplays. The current s etting is marked wi th an * next t o it 4 Select the o ption you want and press Enter . Changing the Utility Priority Y o u can change the priority at which all utilities (V erify , Reconstruct, Expand, Initialize, etc.
Configuring the Controller 7-23 T o change Utility priority: 1 From the System Menu, select Co nfigurat ion Menu an d press Ente r . The Confi guration Menu screen displays. 2 Select Utility Priority and press Enter . The Utility Priority screen displays.
G- and K- Series User ’ s Guide 7-24 T o rescan al l ch annels : 1 From the System Menu, select Utili ties Menu and press Ente r . The Utilities Menu screen displays. 2 Select Rescan and press Enter . Pausing I/O Some drive enclosures allow you t o remove an d replace drives while SCSI bus activity continues; others do not.
Configuring the Controller 7-25 T o pause I/O: 1 From the System Menu, select Utili ties Menu and press Ente r . The Utilities Menu screen displays. 2 Select Hot Sw ap Pause and press Enter . The Bus Paused scr een displays. 3 When you have replaced the dr ive, resume SCSI bus activity by press ing Esc .
G- and K- Series User ’ s Guide 7-26 T o restore the d efaul t s ettin gs : 1 From the System Menu, select Co nfigurat ion Menu an d press Ente r . The Confi guration Menu screen displays. 2 Select Restore Defaults and press Enter . The Restore Defaults screen displays.
Configuring the Controller 7-27 T o upgrade the contr oller ’ s firmware: 1 Call Chaparral technical support for information about downloading the firmware updates. See Chapar ral T echnical Suppo rt on page 9-1. 2 From the computer con nected to the controller , access the Disk Array Administrator s oftware.
G- and K- Series User ’ s Guide 7-28 8 Using y our terminal emulat or software, send the .fla file us i ng KERM IT . If you are us ing HyperT erminal, select T ransfer | Send File , navi gate to wh er e the firmware upd at e file is located, select it, and cli ck Open .
8-1 8 Managing Disk Drives and Enclosures The Disk Array Administrator software lets you control a variety of f unctions related to disk dr ives and SAF-TE Environmen t al Processor (SEP) enclo s ures connected to your cont roller .
G- and K- Series User ’ s Guide 8-2 Displaying Drive Informa tion Y o u can display two types of informat ion about disk drives: ! A list of all drives connected to the controller ! The status of all dr ives in an array Displaying All Drives Y o u can display a list of all drives connected to the controller .
Managing Disk Drives and Enclosures 8-3 T o display all dri ves: 1 From the System Menu, select Di splay Drives and press Enter . The Display Drives screen displays.
G- and K- Series User ’ s Guide 8-4 T o view drive s t atus: 1 From the System Menu, select Array Menu and p ress Ente r . The Select Array screen displays with a list of existing arrays. 2 Select the array you w ant and pres s Enter . The Array Menu screen displays.
Managing Disk Drives and Enclosures 8-5 T o clear meta d ata fr om a drive: 1 From the System Menu, select Utili ties Menu and press Enter . The Utilities Menu screen displays. 2 Select Drive Utilities Menu and press Enter . The Drive Utilities Menu screen displays.
G- and K- Series User ’ s Guide 8-6 2 Select Disk Configuration and press Enter . The Disk Configuration screen displays. 3 Select Write-back Cache and press Enter . The W rite-back Cache screen display s. The current setting is marked with an * next to it.
Managing Disk Drives and Enclosures 8-7 Displaying Disk Cache Status Y o u can display cache status of each disk d r ive. Any disk d rives with write-back cache enabled should be connected to a UPS in case of power failure.
G- and K- Series User ’ s Guide 8-8 4 Select a drive and pr es s Ente r . The cache status screen displays showing the status of the read and write cache.
Managing Disk Drives and Enclosures 8-9 3 Select SMART an d press Enter . The SMAR T screen displays. The current setting is marked with an * next to it. 4 Select the o ption you want and press Enter . 5 Reboot or rescan to have your changes take effect .
G- and K- Series User ’ s Guide 8-10 3 Select Blink D rive LED and press Enter . The Select Drive screen disp lays. 4 Select the drive you want and press Enter . 5 Press Esc to stop blinking the LED. T aking Down a Drive Caution: This function is only for testing arrays and should not be used in norm al op erat ion.
Managing Disk Drives and Enclosures 8-1 1 T esting a Drive This function issues a T est Un it Ready (TUR) co mmand to the selected disk. This ju st tells you that the drive can respond, but it stil l may not be functioning properly . To t e s t a d r i v e : 1 From the System Menu, select Utili ties Menu and press Enter .
G- and K- Series User ’ s Guide 8-12 – Slot update status – Enclosure u pdate status Changing the SEP LUN SEP LUNs allow access to SEPs. A SEP LUN may be set to a value of 0-7, SOFT , or NONE. If set to SOFT , the SEP LUN is automatically assi gned a value when the controller boots.
Managing Disk Drives and Enclosures 8-13 3 Select SEP LUN s and press En ter . The SEP LUNs screen dis plays. 4 Select the LUN of the SEP you want and press Ente r . The SEP LUN s creen displays. 5 Select the o ption or number yo u want to us e. To D o t h i s Not assign the S EP a LUN ! Select NONE and press Enter .
G- and K- Series User ’ s Guide 8-14 The system conf irms that you want to make the chan ge. 6 Select Ye s and pres s Enter to make the change. Changing the Additional S EP Settings Y o u can change four additional SEP setti ngs: ! Polling interval—This is the interval, in seconds, that the controller polls the SEPs for status changes.
Managing Disk Drives and Enclosures 8-15 3 Select SEP Sett ings and press Enter . The Poll Rate screen displays. 4 Enter the poll rate you want, in seconds, and press Enter . The T emperature screen displays. The current setting is mark ed with an * next to it.
G- and K- Series User ’ s Guide 8-16 5 Select the o ption you want and press Enter . The Slot Flags screen displays. The current setting is marked with an * next to it 6 Select whether you want the S EP to send slot s tatus updates to the cont roller and press En ter .
9-1 9 T roubleshooting Chaparral T echn ical Support For assistance co nfiguring and using y our Chaparral product, contact your autho rized distributor or C haparral technical support at: support@chaparralnet.co m. R esolutions to commo n problem s you may en counter are described in the foll owing sections.
G- and K- Series User ’ s Guide 9-2 Problem: Nothin g is displayed on the terminal emulator screen. The probab l e cause of this p roblem is a bad RS-232 cable con n ection or swappe d transmit/receive lines. If th e cable is properly con nected on both ends, try a nu l l modem adapter that will reverse the RS-232 transmit and receive signals.
Tr oubleshooting 9-3 The default setting is 1% backoff. This default allows you to easily work with drives that have the same no minal capacity , but different actual cap aci ties. The backof f percentage af fects all arrays created on the con troller after you set the percentage.
G- and K- Series User ’ s Guide 9-4 conflict with any other dev ices on the host SCSI channel. If you have a l ong SCSI cable, try a differen t or shorter cab l e. Problem: O nly one array is displa yed during host SCSI BIOS scan. Check to assure that LUN s upport is enabled.
Tr oubleshooting 9-5 Problem: Control ler failed the onboard me mory test. When this failure occ u rs, it means the internal C PU memory failed . Replace the controller to cor rect the problem. Problem: Sys tem hangs at Loading Bridg e during BFLU Load er Menu.
G- and K- Series User ’ s Guide 9-6 Problem: The c ontroller ’ s ST A TUS LED is on but there is no RS-23 2 display . (The controller’ s ST A TUS LED is on the controller board and is only visible if you open your e nclosure or if it is connected to a status LED on you r enclosure .
Tr oubleshooting 9-7 Wa r n i n g s W arning events let you know that s omething related to the controller or an array has a problem . Y ou shou ld correct the prob lem as soon as possible. T abl e 9-1 below defines each war n ing event and r ecommends the action you shou ld take.
G- and K- Series User ’ s Guide 9-8 Errors Error event s let you know t hat something related the enclosure, controller , or di sk drives has failed and req uires immediate attention. T able 9-2 defines each error event and recommen ds the action you shou l d take.
Tr oubleshooting 9-9 Using the Lo ader Diagnostic s Menu If you h ave any diagnostic errors, con t act Chaparral tech nical support. Using the Lo ader Utility Menu If you h ave any diagnostic errors, con t act Chaparral tech nical support.
G- and K- Series User ’ s Guide 9-10 Using the information in T able 9-3 and T able 9-4 below , you can see that this is a medium er ror , unrecovered read error—recommend reassign ment. T able 9-3 list s some of the mo st common SCSI s ense key descript ions (i n hexadecimal).
Tr oubleshooting 9-1 1 Disk Channel Errors Disk channel errors are similar to disk detected errors , except they are detected b y the controller , instead of the disk drive. Some d is k channel erro rs are displayed as text strings , others are displayed as hexadeci mal codes.
G- and K- Series User ’ s Guide 9-12 The example below shows a disk chan nel error displaying the hexadecimal code. See T able 9-5 below for a l ist of erro r code descriptions. Most disk channel errors are informational since the co ntroller issues retries to correct any prob l em.
Tr oubleshooting 9-13 V oltage and T em perature Errors and W arnings Most voltage and temper ature errors occur due to the en cl osure. Check the en cl osure configurat ion first. ❒ 43 I /O req uest was abo rted becaus e of third-p arty chann el reset (displaye d as “Abort 3PRST”).
G- and K- Series User ’ s Guide 9-14.
A-1 A Array Basics Chaparral’ s RAID controllers let you set up and manage disk arrays. A disk ar ray is a group of di sks that appears to the system as a single virtual disk. This is accomplished throug h softwar e resident in the RAI D contro ller .
G- and K- Series User ’ s Guide A-2 RAID 0 ar rays do not stor e redundant data, so they are not true R AID appl icat io ns. If one disk fa ils, the en tire array fail s and all arr ay data is los t. The fault-to lerance of a RAID 0 array , therefore, is less than that of any single disk in the array .
Array Basics A-3 RAID 4 RAID 4 is similar to RAID 3 in that the redundant in formation is achieved in the form of pari ty data. The us er data is distrib uted across all b u t one of the disks. The controlle r uses a single, dedicated par ity drive for data p rotection.
G- and K- Series User ’ s Guide A-4 V olume Sets A volume set is the ability to create a host-accessible LUN that maps to a single disk in the array , similar to JBOD. V olume sets are non- redundant and have a capacity slightly less than the physical disk they are created from.
Array Basics A-5 RAID 3 3 Block-level data striping with dedica ted pa rity drive Excellent performance for larg e , sequen tial data req uests Not well-suited for transaction- orient ed networ k appl.
G- and K- Series User ’ s Guide A-6 Mixing Disks f rom Differen t Manufacturers or with Differen t Capacities An array can co ntain different models of S CSI disks, even disks with different capacities; for example, an array can include a 4-GB disk and a 9-GB disk.
G-1 Glossary Address— An address is a data structure or logi cal convention used to i dentify a unique entity , such as a particular process or network device. Arbitrated loop physical address (AL_P A)— An AL_P A is a 1-byte value used in an arbitrated loop topology .
G- and K- Series User ’ s Guide G-2 FC Arbitrated Loop (FC-AL)— FC-AL i s one of three FC t opolo g ies in which ports use arbitration to establish a point-to-point circuit. Arbitrated loops allo w multipl e ports to be connected serially in a singl e loop.
Glos sary G-3 Initiator mode— Initiator mode is the configuration mode of a device in which an FC or SCSI initiator requests operations to be performed by an FC or SCSI target device. Logical unit number or lo gic al unit (LUN)— A LUN is a subdiv ision of a SCSI target.
G- and K- Series User ’ s Guide G-4 SCSI bus— A SCSI bus provides a means of transferr ing data between SC SI devices. A SCSI bus is ei ther an 8- or 16 -bit bus that supports up to 8 or 16 de vices, including itself.
Glos sary G-5 a terminator be p l aced on the 6 8-pin high-density S CSI connector on the last SCSI peripheral. Data errors may occur in a SCSI bus that is not terminated. T opology— A networ k topology refers to t he physical layo ut of nodes on a networ k.
G- and K- Series User ’ s Guide G-6.
I-1 Index A Abort In itialization 4-1 4 Abort Verify 4-17 accessing the Disk Array Administrat or software 3-1 Add an Array 4-2 Add Host to List 7-16 Add or Na me Hos t screen 7-14 Add Po ol Spare 6-6.
G- and K- Series User ’ s Guide I-2 C cache disabl ing for dis k drive s 8 -5 enablin g for disk drives 8 -5 locki ng setti ng on cont roll er 7-20 Cache Lock screen 7-21 capacity, exp anding for ar.
Index I-3 Delete an Array 4-2 4 Delete Spa re 6-3 dele ting arra ys 4-24 dedicated spares 6-3 pool spa res 6-6 device S CSI chann el probl ems 9-4 disk a rray A-1 Disk Array Administrator accessing 3 .
G- and K- Series User ’ s Guide I-4 Enable Trust Array scree n 4 -23 enclosu res chan ging LUNs 8-1 2 changing t he enclosure stat us setting 8-14 changi ng the polling interv al 8-14 chan ging the .
Index I-5 L LEDs, blink ing fo r disk driv es 8-9 leftover drives, clearing meta data from 8-4 log file capturing 5 -4 viewing 5- 1 Loop ID, changing for controll er 7-6 LUN screen 4-3 LUN zo ning con.
G- and K- Series User ’ s Guide I-6 compared A-4 descri bed A-1 RAID reference information A-4 RAID ty pe screen 4-4 rebooting t he controller 7-1 recon structing a rrays 4-1 7, 6-1 Remove Ho st fro.
Index I-7 deleti ng dedi cated 6-3 deleti ng po ol 6-6 displa ying poo l 6-7 enablin g a utomatic 6-3 enab ling dynamic 6-3 use in reconstructin g 6-1 specification s 1-7 speed, cha nging for SCSI ch .
G- and K- Series User ’ s Guide I-8 disk drive status 8-3 disk d rives 8-2 dri ve st atus 4-13 events 5-1 known W WNs 7-12 pool spa res 6-7 read/write histogram 5 -11 status for drives 8-7 voltage, .
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Chaparral Network Storage, Inc. 7420 E. Dry Creek Park way Longmo nt, CO 8050 3 2000 Chaparral Network Storage, Inc. All rights reserved. Chaparral and Chaparral logo are trademarks of Chaparral Network Storage, Inc.
An important point after buying a device Chaparral G5312/G7313 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
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If you already are a holder of Chaparral G5312/G7313, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Chaparral G5312/G7313.
However, one of the most important roles played by the user manual is to help in solving problems with Chaparral G5312/G7313. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Chaparral G5312/G7313 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
