LSI Series 520 manual

® MegaRAID ® SCSI 320-1 RAID Controller HARD W ARE GUIDE September 20 02[...]

ii Cop yright © 2002 b y LSI Logic Corporation. A l l rights reserved. This doc ument co ntains prop rietary info rmation of LSI L ogic Corporati on. The inf or mation c ontained h erein is not to be us ed by or disclo sed to th ird par ties withou t the e xpress w ritten permission of an of ficer of LSI Logic Corpora tion. LSI Log ic produc ts ar[...]

iii Cop yright © 2002 b y LSI Logic Corporation. A l l rights reserved. FCC Regulatory Statement This de vice compli es with P art 15 of the FCC Rules . Operation is subjec t to the f ollowing two cond itions: (1) this de vice ma y not ca use harmful i nterf erence, and (2) this de vice must accept any inte rf erence rec eiv ed, inclu ding interf [...]

iv Cop yright © 2002 b y LSI Logic Corporation. A l l rights reserved.[...]

MegaRAID SCSI 320-1 Hardw are Guide v Cop yright © 2002 b y LSI Logic Corporation. A l l rights reserved. Preface This b ook is the pr imar y reference and Hardware Gu ide for the LSI Log ic MegaRAID ® SC SI 320-1 Con troller. It contains instr uctions f or instal ling the MegaRA ID contr oller and for con figur ing RAID arra ys. It also cont ain[...]

vi Preface Cop yright © 2002 b y LSI Logic Corporation. A l l rights reserved. · Chapter 6, Hardw are Installa tion , e x plains how to install the MegaRAID S CSI 320 -1 control ler . · Chapter 7, T rouble shooting , provides troubleshooting i nformatio n f or the M egaRAID SCSI 320- 1 contr oller . · Appen dix A, SCSI Cables and Connector s , [...]

Pref ace vii Cop yright © 2002 b y LSI Logic Corporation. A l l rights reserved. Logical Drive Configuration Use this f o rm to reco rd the con figuration details for your logical dri v es. Operat ing System : BIOS Date: Op . Sys. V er .: Video Ad apter: Mega RAID Driver V e r .: CPU T ype/Speed: Networ k Card: Syste m Memor y: Other d isk c ontro[...]

viii Pr eface Cop yright © 2002 b y LSI Logic Corporation. A l l rights reserved. LD7 LD8 LD9 LD10 LD11 LD12 LD13 LD14 LD15 LD16 LD17 LD18 LD19 LD20 LD21 LD22 LD23 LD24 LD25 LD26 LD27 LD28 LD29 LD30 LD31 Logical Drive Configuration (Cont.) Logical Drive RAID Level Stripe Size Logical Dri ve Siz e Cache P olicy Read P olicy Write P olicy # of Physi[...]

Pref ace ix Cop yright © 2002 b y LSI Logic Corporation. A l l rights reserved. Physical Device Lay out Use this f o rm to reco rd the physical device layout. LD32 LD33 LD34 LD35 LD36 LD37 LD38 LD39 Logical Drive Configuration (Cont.) Logical Drive RAID Level Stripe Size Logical Dri ve Siz e Cache P olicy Read P olicy Write P olicy # of Physi cal [...]

xP r e f a c e Cop yright © 2002 b y LSI Logic Corporation. A l l rights reserved. Device type Logical driv e numbe r/Driv e numbe r Manu f actu rer/M ode l number Firmware le vel T arget ID Device type Logical driv e numbe r/Driv e numbe r Manu f actu rer/M ode l number Firmware le vel T arget ID Device type Logical driv e numbe r/Driv e numbe r [...]

Pref ace xi Cop yright © 2002 b y LSI Logic Corporation. A l l rights reserved. Device type Logical driv e numbe r/Driv e numbe r Manu f actu rer/M ode l number Firmware le vel T arget ID Device type Logical driv e numbe r/Driv e numbe r Manu f actu rer/M ode l number Firmware le vel T arget ID Device type Logical driv e numbe r/Driv e numbe r Man[...]

xii Preface Cop yright © 2002 b y LSI Logic Corporation. A l l rights reserved. Device type Logical driv e numbe r/Driv e numbe r Manu f actu rer/M ode l number Firmware le vel T arget ID Device type Logical driv e numbe r/Driv e numbe r Manu f actu rer/M ode l number Firmware le vel T arget ID Device type Logical driv e numbe r/Driv e numbe r Man[...]

MegaRAID SCSI 320-1 Ha rdware G uide xiii Cop yright © 2002 b y LSI Logic Corporation. A l l rights reserved. Contents Chapter 1 Overv iew 1. 1 F eatures 1-2 1.2 SCSI Chann el 1-2 1.3 NVRAM and Flas h ROM 1-2 1.4 SCSI Conne ctors 1-2 1.5 Single-E nded and Di ff e rential SCSI Buses 1-3 1.6 Maximum Cable Length f or SCS I Standards 1-3 1.7 SCSI Bus[...]

xiv Co ntents Cop yright © 2002 b y LSI Logic Corporation. A l l rights reserved. 2.3.6 Disk Mi rrori ng 2-6 2.3.7 Disk Spanning 2-7 2.3.8 P ari ty 2-8 2.3. 9 Hot Sp ares 2-8 2.3.10 Hot Swapping 2-9 2.3.11 Disk Rebuild 2-9 2.3.12 Logical Drive States 2-10 2.3.13 SCSI Dr ive States 2 -10 2.3.14 Disk Ar ra y T ype s 2-11 2.3.15 Enclos ure Mana gemen[...]

Contents xv Cop yright © 2002 b y LSI Logic Corporation. A l l rights reserved. 4.9.7 SCSI T e rm inatio n 4-8 4.9.8 SCSI Fir mware 4-9 4.10 RAID Ma nagement 4-9 4.10.1 MegaRAID B IOS Configura tion Utility 4-9 4.10.2 W ebBIOS Configuration Ut ility 4-10 4.10.3 P ower Console Plu s 4-10 4.10.4 MegaRAID M anager 4-10 4.11 C ompat ibilit y 4-10 4.11[...]

xvi Co ntents Cop yright © 2002 b y LSI Logic Corporation. A l l rights reserved. 6.2.4 Step 4: Set T er minat ion 6-6 6.2.5 Step 5 : Install M egaRAID SC SI 320- 1 6-12 6.2.6 Step 6: Connect SC SI Devices 6-13 6.2.7 Step 7: Se t T arget IDs 6-1 4 6.2. 8 Ste p 8: P owe r Up 6-16 6.2.9 Step 9: Run the MegaRA ID BIOS Confi guration Util ity 6-17 6.2[...]

Contents xvii Cop yright © 2002 b y LSI Logic Corporation. A l l rights reserved. Index Customer Feedback[...]

xvii i Conte nts Cop yright © 2002 b y LSI Logic Corporation. A l l rights reserved.[...]

MegaRAID SC SI 320-1 Hardw are Guide 1-1 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Chapter 1 Overvie w This chap ter provid es an overvi e w of th e MegaR AID ® SCSI 320-1 an d basic SC SI f eatu res. It contai ns the following sec tions: · Section 1.1, “Features” · Section 1.2, “SCS I Channel” · Section 1.3, “[...]

1-2 Over vi ew Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 1.1 Features MegaRAID S CSI 320-1 f e atures inc lude: · A high- performance input/ output (I/O) migration pat h while preser vin g e xistin g PCI-SCS I software · SCSI data t ransf ers u p to 320 Mbytes/ s · Synchron ous operatio n on a Wide low-voltage d iff erent[...]

Single-En ded and Diff erential SCSI Bus es 1 -3 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 1.5 Single-Ended and Di fferential SCSI Buses The SCS I standar d defines two electri cal buses: · Single- ended bus · Low-voltage diff erenti al bus 1.6 Maxim um Cable Length f or SCSI Standards Ta b l e 1 . 1 li sts the m aximum SC[...]

1-4 Over vi ew Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 1.7 SCSI Bus Widths and Maxim um T hr oug hput Ta b l e 1 . 2 list s the SCSI bus widths and maximum throughpu t, based on the SCSI s peeds. 1.8 Documentation The Mega RAID SCS I 320-1 d ocumentat ion se t includ es: · The Mega RAID SCSI 3 20-1 H ardware Guide · The [...]

Documenta tion 1-5 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 1.8.3 MegaRAI D Operating Syste m Driver Inst allation Guide This m anual provides de tailed in f o rm ation abou t install ing the Meg aRAID SCSI 320- 1 operating system drivers.[...]

1-6 Over vi ew Cop yright © 2002 by LSI Logic Corporation. All rights reserved.[...]

MegaRAID SC SI 320-1 Hardw are Guide 2-1 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Chapter 2 Intr oduction to RAID This chap ter introdu ces i mpor tan t RAID concep ts. It conta ins the f ollowin g sectio ns: · Section 2.1, “R AID Ben efits” · Section 2.2, “Mega RAID SC SI 320-1 – Host-Ba sed RAID Solu tion” · [...]

2-2 Intr oduct ion t o RAI D Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 2.1.2 I ncreased Rel iabil ity The ele ctromechan ical co mponen ts of a dis k subs ystem ope rate more slowly , requir e more power , and gene rate more noise an d vibration tha n electro nic devices. These f a ctors re duce the reliab ility of data s to[...]

RAID Overv iew 2-3 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 2.2.2 SC SI-to-SCSI External RAID A SCSI- to-SC SI extern al RAID produ ct puts the RA ID intell igenc e inside the RAI D chassi s and us es a plai n SCSI hos t adapter installe d in the network ser ver . The data transfer rate is limited to the bandwidth o f the S[...]

2-4 Intr oduct ion t o RAI D Cop yright © 2002 by LSI Logic Corporation. All rights reserved. · A combi nation of any two of the above conditions 2.3.3 Cons istency Che ck A cons istency c heck verifies the correc tness of redundant d ata in a RAID array . For e xampl e, in a system wi th distr ibuted par ity , c hecking consis tency me ans compu[...]

RAID Overv iew 2-5 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Figure 2.1 Disk Striping Disk st riping inv o lves par titi oning eac h disk dr ive’ s storag e space into strip es th at ca n v ar y in siz e fr om 2 to 128 Kb ytes. These s tripes are inter leav ed in a r epeated, s equential manner . The comb ined st orage spa[...]

2-6 Intr oduct ion t o RAI D Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 2.3.5.2 Stripe Si ze The str ipe si ze is the len gth of the inter leav ed data segm ents that MegaRAID S CSI 320 -1 writ es acro ss multiple dr ives. MegaRAID SC SI 320-1 s uppor ts str ipe sizes o f 2, 4, 8, 16, 3 2, 64, o r 128 Kbytes. 2.3.6 Disk Mirr [...]

RAID Overv iew 2-7 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 2.3.7 Disk Spanning Disk s panning allows multiple dis k drives to function like one big dri v e. Spann ing ov ercom es lack of disk space a nd simplifi es storage managemen t by combinin g ex istin g resour ces or ad ding rel ativ ely inexpensive resourc es. F or [...]

2-8 Intr oduct ion t o RAI D Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Ta b l e 2 . 1 des cr i bes how dis k sp annin g is used for RAID 10 an d RA ID 50 . Note: Spann ing two co ntiguo us RAID 0 l ogical d rives doe s not produce a new RAID lev e l or add fault t olerance. It doe s increa se the size of the lo gical volume [...]

RAID Overv iew 2-9 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. has a ca pacity clos est to and at least as great as that of the failed dr iv e to take the plac e of the failed dr ive. Note: Hot spa res are empl o yed only in ar ra ys with redund ancy— f o r e xam ple, RAID lev el s 1, 5, 10, a nd 50. A ho t spare connect ed [...]

2-10 Introduc tion to RAID Cop yright © 2002 by LSI Logic Corporation. All rights reserved. The Meg aRAID SCSI 32 0-1 rebuild rate can be configured bet ween 0% and 100%. A t 0%, the rebuild is only done if the system is not doing anything else. At 100%, the rebuild has a higher pr ior ity than any other system activit y . 2.3.12 Logical Drive Sta[...]

RAID Overv iew 2-11 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 2.3.14 Disk Arra y T ypes Ta b l e 2 . 4 des cribes th e RAID disk a rra y types. 2.3.15 Enclosur e Management Enclos ure mana gement is the intell igent m onitori ng of the di sk subsys tem by software an d/or hard ware. The disk subsystem can be par t of the hos[...]

2-12 Introduc tion to RAID Cop yright © 2002 by LSI Logic Corporation. All rights reserved.[...]

MegaRAID SC SI 320-1 Hardw are Guide 3-1 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Chapter 3 RAID Le vels This chap ter desc rib es each sup por t ed RAID lev el and th e factors to consid er when choo sing a RAID lev e l. It conta ins the follo wing sections: · Section 3.1, “Sel ecting a RAID Lev e l” · Section 3.2, ?[...]

3-2 RAI D Lev els Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 3.2 RAID 0 RAID 0 p rovides disk s trip ing acros s all dr ives in the RAID s ubsystem. RAID 0 d oes not provide any data redunda ncy , but does offer the bes t performa nce of any RAI D lev el. RAI D 0 breaks up data i nto sm aller bloc ks and then write s a block [...]

RAID 1 3-3 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Figure 3.1 RAID 0 Arr a y 3.3 RAID 1 In RAID 1, the MegaRA ID SCSI 320 -1 dupli cates all data f rom on e dr ive to a second dr ive. RAID 1 pro vid es com ple te dat a red und anc y , but at the cost of doubling the r equire d data storage c apacity . Figure 3.2 shows a RA[...]

3-4 RAI D Lev els Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Figure 3.2 RAID 1 Arr a y 3.4 RAID 5 RAID 5 includes disk str iping at t he b yte level and par ity . I n RAID 5, the pari ty inform ation is wr itten to se veral drives. RAID 5 is be st suited for networ ks that perform m any small I/O tra nsactio ns simulta neousl[...]

RAID 5 3-5 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. ex clusi v e-or assist make RAID 5 per f or m ance exceptiona l in many diff erent en vironm ents . Figure 3.3 sho ws a RAI D 5 arr ay w ith six disk dri ve s. Figure 3.3 RAID 5 Arr a y Uses Provid es hi gh dat a throug hput, espec ially f or la rge fil es . Us e RAID 5 f [...]

3-6 RAI D Lev els Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 3.5 RAID 10 RAID 10 is a com bination of RAID 0 a nd RAID 1. RAID 10 ha s mirror ed dri v es. RA ID 10 brea ks up da ta into sm aller blocks, and then st ripes the bloc ks of data t o each RAID 1 RAID set. Each RAID 1 RAID set then duplica tes it s data to its other[...]

RAID 50 3-7 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Figure 3.4 RAID 10 Ar ray 3.6 RAID 50 RAID 50 provid es the features of both RAID 0 and RAID 5, including bo th pari ty and di sk str iping across mul tiple dr ives. RAID 50 is best implem ented on t wo RAID 5 disk arrays with data str iped ac ross bo th disk arrays. RAID[...]

3-8 RAI D Lev els Cop yright © 2002 by LSI Logic Corporation. All rights reserved. RAID 50 can sus tain one to f ou r dr ive f ai lures w hile main taining d ata integr ity , if each failed disk is in a diff erent RA ID 5 array . Figure 3.5 shows a RAID 5 0 array with six disk dr ives. Figure 3.5 RAID 50 Ar ray Uses W orks best whe n used with d a[...]

MegaRAID SC SI 320-1 Hardw are Guide 4-1 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Chapter 4 Feature s This chap ter explains the features of th e MegaR AID SCSI 32 0-1. It conta ins the following secti ons: · Section 4.1, “SMA RT T ech nology” · Section 4.2, “C onfiguration on Disk” · Section 4.3, “C onfigurati[...]

4-2 F eatures Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 4.2 Configuration o n Disk Config uration on Disk (dri v e roami ng) sav es conf iguration i nf or matio n both in n onv ol atile random access m emor y (N VRAM) on th e MegaRAID SCSI 320- 1, and on th e disk d rives control led by the MegaR AID SCSI 320-1. If t he Mega[...]

Array P erfor manc e Featur es 4-3 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 4.4 Arra y P erform ance Features Ta b l e 4 . 2 lists the array performan ce f eatur es. Flas hable f ir mwar e Y es Hot s wap de vices supp or ted Y es Non-d isk devices s uppor ted Y es Mix ed capacity hard disk d rive s Y es Number of 16-bit int[...]

4-4 F eatures Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 4.5 RAID Management Features Ta b l e 4 . 3 lists the RAID ma nagement features. 4.6 F ault T olerance Features Ta b l e 4 . 4 lists t he f ault to lera nce f eatu res . T able 4.3 RAID Management Features Specification Fea ture Suppor t f or SNMP Y es P e rforma nce Mo[...]

Softw are Utilitie s 4-5 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 4.7 Soft ware Utilit ies Ta b l e 4 . 5 list s the so ftware utilit y features. 4.8 Operati ng System Software Driver s MegaRAID S CSI 320-1 includes a DOS software c onfigurati on utility , an d dri v ers for: · Windows N T 4.0 · Windows 2 000 · Wind ows [...]

4-6 F eatures Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 4.9 MegaRAID SCSI 320-1 Specifications Ta b l e 4 . 6 lists the specifi cations for the SCS I 320-1. T able 4. 6 Meg aRAID SCSI 32 0-1 Spec ific atio ns P arameter Spec ification Card siz e Low profile PCI Adapter card size (6.87 5" X 2.5") Processo r Intel GC[...]

MegaRAID SCSI 320-1 Spec ifications 4-7 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 4.9.1 PC I Bridge /CPU MegaRAID S CSI 320 -1 uses the Intel GC80 302 PCI br idge with an embedded 80960JT RISC proc essor r unning at 66 MHz. The G C80302 bri dge handle s data transfers between t he prim ar y (host) PCI bus, the seconda r y PC[...]

4-8 F eatures Cop yright © 2002 by LSI Logic Corporation. All rights reserved. software or d evice drivers. The Me gaRAID BIO S provides an e x tensive setup utility t hat can be access ed by pressing <Ctr l><M> at BIOS initial ization. Th e MegaR AID BIOS Configuration Ut ility is descr ibed in the MegaRAID Co nfiguration Software Gui[...]

RAID Man agement 4-9 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 4.9.8 SC SI Firmw are The Mega RAID SCS I 320-1 f irm ware handle s all RAI D and SC SI comm and proces sing and a lso sup por ts th e f eatures listed in Ta b l e 4 . 7 . 4.10 RAID Management RAID ma nagement i s provided by software utili ties that m anage and [...]

4-10 F eatures Cop yright © 2002 by LSI Logic Corporation. All rights reserved. It is indepen dent of any operating syste m. See the MegaRAI D Config uration Software Gui de for additional informati on. 4.10.2 W ebBIOS Configuration Utility The WebBIOS Confi guration Uti lity is an HTML-base d utility us ed to configur e and mai ntain RAID arrays,[...]

Compat ibility 4-1 1 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 4.11. 3 Softwar e All SCS I backup and util ity software sho uld wor k with Meg aRAID SC SI 320-1. Thi s software is n ot provided with MegaRAID S CSI 320-1 .[...]

4-12 F eatures Cop yright © 2002 by LSI Logic Corporation. All rights reserved.[...]

MegaRAID SC SI 320-1 Hardw are Guide 5-1 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Chapter 5 Configuring Ph ysical Drives, Arra ys, and Logic al Drives This chap ter explains how to configu re SCS I physical dri ves , arrays , and logical drives connec ted to the M egaRAID SCSI 320-1 c ontroll er . It conta ins the following[...]

5-2 Config uring Ph ysical D rives , Arra ys, an d Logical Drive s Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Note: Be su re to ba ck up y our da ta regula rly , ev en whe n using RAID . 5.1.2 Current Ph ysical Device Configuration Use Ta b l e 5 . 1 to record t he curr ent config uration for y our physical de vices. T able 5[...]

Configuring SCSI Ph ysical Driv es 5-3 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 5.1.3 Logical Drive Conf iguration Use Ta b l e 5 . 2 to record t he con figuration for your logical drives. T able 5.2 Logical D rive Configuration Logical Drive RAID Level Stripe Size Logical Dri ve Siz e Cache P olicy Read P olicy Write P oli[...]

5-4 Config uring Ph ysical D rives , Arra ys, an d Logical Drive s Cop yright © 2002 by LSI Logic Corporation. All rights reserved. LD22 LD23 LD24 LD25 LD26 LD27 LD28 LD29 LD30 LD31 LD32 LD33 LD34 LD35 LD36 LD37 LD38 LD39 T able 5.2 Logical Drive Configuration (Cont.) Logical Drive RAID Level Stripe Size Logical Dri ve Siz e Cache P olicy Read P o[...]

Configuring SCSI Ph ysical Driv es 5-5 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 5.1.4 Ph ysical Device La yout Use Ta b l e 5 . 3 to reco rd the ph ysical d e vice la y out. T able 5.3 Physical Device Lay out Channel 1 T arget ID Device type Logical driv e numbe r/Driv e numbe r Manu f actu rer/M ode l number Firmware le ve[...]

5-6 Config uring Ph ysical D rives , Arra ys, an d Logical Drive s Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Manu f actu rer/M ode l number Firmware le vel T arget ID Device type Logical driv e numbe r/Driv e numbe r Manu f actu rer/M ode l number Firmware le vel T arget ID Device type Logical driv e numbe r/Driv e numbe r M[...]

Configuring SCSI Ph ysical Driv es 5-7 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Manu f actu rer/M ode l number Firmware le vel T arget ID Device type Logical driv e numbe r/Driv e numbe r Manu f actu rer/M ode l number Firmware le vel T arget ID Device type Logical driv e numbe r/Driv e numbe r Manu f actu rer/M ode l numbe[...]

5-8 Config uring Ph ysical D rives , Arra ys, an d Logical Drive s Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 5.2 Configuring Arr a ys Y ou organize the physical disk dri ves in arra y s after they are connected to the Mega RAID SCS I 320-1, a nd after they are form atted and initial ized. An array can consi st of up to 15 ph[...]

Crea ting Logic al Dr ives 5-9 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Y ou can also design ate drives as hot spar es using the MegaRAID BIOS Config uration Utility , the MegaRA ID Manager, or P ower Console Pl us. 5.3 Creati ng Logical Drives Logical drives are ar ra ys or spanned arra ys that are presen ted to the operat[...]

5-10 Config uring Ph ysical Driv es, Arr a ys, and Logic al Driv es Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Note: The M egaraid SCS I 320-1 co ntroller s uppor ts a maximum of 15 physical drives. 5.3.1.2 Maximizing Drive Availability Y ou can maximize the availability o f data on the physical disk dr ive in the logical arr[...]

Crea ting Logic al Dr ives 5-11 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. character ist ics for RAID dr ive arra y s at ea ch RAID level is shown in Ta b l e 5 . 6 . 5.3.2 Assigning RAID L e vels Only on e RAID lev el can be as signed to each lo gical dr ive. Ta b l e 5 . 7 shows the dr ives requir ed per RAID l e vel. Note:[...]

5-12 Config uring Ph ysical Driv es, Arr a ys, and Logic al Driv es Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 5.4 Configuring Logical Drives After you hav e instal led the Me gaRAID SC SI 320-1 c ontroller in t he ser ver and have attached a ll physical disk d rives, perform th e f ollowing actions to prepare a RAID array: 1[...]

Planning the Arra y Configura tion 5-13 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. must be av aila ble 24 hours per da y? Wi ll the infor mation s tored in this disk array contai n large a udio or vid eo files that must be available on demand? W ill this disk arra y con tain data fro m an imaging system? Y ou must id entify t[...]

5-14 Config uring Ph ysical Driv es, Arr a ys, and Logic al Driv es Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Use Ta b l e 5 . 9 to plan the arra y configu ration. T able 5.9 Array Configuration Planner # of Drives P ossible RAID Levels Relative P er forma nce Faul t To l e r a n c e Effective Capacity 1 None Excell ent No 1[...]

Planning the Arra y Configura tion 5-15 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 8 RAI D 0 Excellent No 1 00% 8 RAI D 5 G ood Ye s 87% 8 RAID 10 Good Ye s 50% 8 RAID 50 Good Ye s 75% T able 5.9 Array Configuration P lanner (Cont.) # of Drives P ossible RAID Levels Relative P er forma nce Faul t To l e r a n c e Effective Ca[...]

5-16 Config uring Ph ysical Driv es, Arr a ys, and Logic al Driv es Cop yright © 2002 by LSI Logic Corporation. All rights reserved.[...]

MegaRAID SC SI 320-1 Hardw are Guide 6-1 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Chapter 6 Har d ware In stalla tion This ch apter e xplains how to install the MegaRA ID SCSI 320-1 c ontroller . It contain s the following se ctions: · Section 6.1, “Har dware Requireme nts” · Section 6.2, “Ins tallation Steps” · [...]

6-2 Hardw are Installation Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 6.2 Instal lation Steps The Mega RAID SC SI 320-1 pr ovides e xtensi v e custo mization options. If you need only basic Me gaRAID S CSI 320-1 features a nd your compu ter does not use other ad apter car ds with re source settings that may confli ct with Meg[...]

Inst alla tion Step s 6-3 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 6.2.1 Step 1: Unpack Unpack and ins tall the h ardware in a st atic-free environment. R emove the MegaRA ID SCSI 320-1 contr oller card fr om the an ti-stati c bag and insp ect it f or dam age . If th e card appe ars damaged, o r if any item l isted below is[...]

6-4 Hardw are Installation Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Figure 6.1 shows the loc ation of th ese item s on the Me gaRAID SCSI 320-1 c ontroller . Figure 6.1 MegaRAID SCSI 320-1 Contr o ller Lay out 6.2.3.1 J2 Dir ty Cache LE D J2 is a t wo-pin heade r f or t he dir ty c ache LED . This can be connec ted to an LE[...]

Inst alla tion Step s 6-5 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 6.2.3.2 J3 Clear EPROM J3 is a two- pin heade r that clear s the erasable pro gammable read-on ly memor y ( EPROM) config uration data . 6.2.3.3 J4 BIOS Enable J4 is a 2 -pin hea der that en ables or dis ables the Mega RAID onb oard BIOS. The on board BIO S [...]

6-6 Hardw are Installation Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 6.2.3.8 J10 T ermi nation Enabl e J10 is a thr ee-pin hea der that speci fies hard ware or software cont rol of SCSI ter min ation, as shown in Ta b l e 6 . 4 . Leav e at the def ault sett ing (jumper on pins 1 an d 2) to al low the MegaRAI D control ler to[...]

Inst alla tion Step s 6-7 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 6.2. 4. 2 Selec tin g a T ermin ator Use stan dard exter nal SCSI t er minato rs o n a SCS I channe l o perating at 10 Mbytes/s o r higher syn chronous da ta transfer . 6.2.4.3 T erminat ing Internal SCSI Disk Arrays Set th e ter mination so tha t SCSI ter m[...]

6-8 Hardw are Installation Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Figure 6.2 T ermin ation of Internal SCS I Disk Arrays T ermination En abled ID2 ID0 – Bo ot Drive No T ermination ID1 – No T er mination MegaRAID SC SI 320-1 SCSI ID 7[...]

Inst alla tion Step s 6-9 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 6.2.4.4 T erminati ng External Di sk Arrays In most arra y enclo sures, the end of the SCSI c able has an ind epende nt SCSI ter min ator modu le that is not par t of any SCSI dr ive. In this wa y , SCSI ter minat ion is not di sturbed when any drive is r em[...]

6-10 Hardw are Installation Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Figure 6.4 T erminat ing Intern al and Ex ternal Di sk Arrays T erminator ID2 ID0 – Boot Drive No T ermination ID1 – No T er m ination SCSI 320-1 SCSI ID 7 ID 0 ID 1 ID 2 ID 3 ID 4 ID 5 ID 6* Exter nal SCSI D riv es Note: *T er minati on enabled from l[...]

Inst alla tion Step s 6-11 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 6.2.4.6 Connecting Non-Disk SCS I Devices SCSI tape d rives an d SCSI C D-ROM drives must e ach have a unique SCSI ID regardless of the S CSI channe l they are atta ched to. The general r ule for Unix sy stems i s: · T ape dr ive set to SCSI ID 2 · CD-ROM[...]

6-12 Hardw are Installation Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 6.2. 5 Step 5: Install Me gaRAID SCSI 3 2 0-1 Select a 3.3 V o r 5 V PCI sl ot and alig n the Me gaRAID SCS I 320-1 control ler bus connector with the slot . Figure 6.6 sho ws the di ff erences between the 3.3 V and 5 V slots. Figure 6.6 3.3 V and 5 V PCI [...]

Inst alla tion Step s 6-13 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Figure 6.7 Installing the MegaRAID SCSI 320-1 Contr oller 6.2.6 Step 6: Connect SCSI Devices Use SCSI ca bles to connectS CSI devices to the M egaR AID S CSI 32 0- 1. The Mega RAID SCSI 3 20-1 provides two SCSI con nectors: · J1, the inter nal high- densit[...]

6-14 Hardw are Installation Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 2. Config ure all SC SI devices to sup ply T er mPW R. 3. Set prop er targe t IDs (TIDs) f or ea ch SCSI d e v ice. The cable length can be up to 20 m. 6.2.6.1 Cable Sugg estions System throughpu t problems ca n occur if SCSI cable us e is not maxim iz ed.[...]

Inst alla tion Step s 6-15 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Important: Non -disk devices (CD- ROM or tape d rive) sh ould have unique S CSI IDs r egardles s of the channel they are conne cted to . 6.2.7.1 Example of M egaRAID SCSI 3 20-1 ID Mappin g Ta b l e 6 . 6 provides an example of ID mappi ng f or the S CSI 32[...]

6-16 Hardw are Installation Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 6.2.7.2 T arge t IDs as Pr esented to the Oper ating Sy stem Ta b l e 6 . 7 shows t he target ID s as pre sented to t he operating system . 6.2. 8 Step 8: P ower Up Replace t he compute r cover and reconnec t the AC power cords. T u rn power on to the hos [...]

Inst alla tion Step s 6-17 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. The <Ctr l><M> utility prompt t imes out a fter sev era l second s. The MegaRAID S CSI 320-1 host adap ter (control ler) number , fir mware v ersi on, and cac he DRAM size are disp lay ed in the se cond po r tion of th e BIOS me ssage. The num b[...]

6-18 Hardw are Installation Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 6.3 Sum mary This cha pter discus sed hardware in stallation. Conf igure the RAID sy stem using s oftware config uration uti lities. See t he Mega RAID Conf iguration Software Guid e for all informat ion about MegaRAID SCSI 320- 1 software util ities . Ta [...]

MegaRAID SC SI 320-1 Hardw are Guide 7-1 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Chapter 7 T r oub leshooting This chap ter provides troubleshooti ng inform ation for the MegaRA ID SCSI 320- 1 contr oller . It c ontains the f ollowing s ection s: · Section 7.1, “Ge neral T roublesh ooting” · Section 7.2, “BIO S Boo[...]

7-2 T roub leshooting Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Pressed <Ctrl><M >. Ran Megacon f .e x e and t ried to mak e a ne w conf igu ratio n. Th e syst em hang s wh en scannin g devic es . Chec k the drives IDs on ea ch chann el to ma ke s ure each de vice has a diff erent ID . Chec k the ter minatio n. T[...]

BIOS Boot Error Message s 7-3 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 7.2 B IOS B oot Er ror Mess age s Ta b l e 7 . 2 des cribes B IOS error m essages tha t can dis pla y when you boot the s ystem, an d suggest ed solutions. T able 7.2 BIOS Boot E rror Messages Messa ge Pro blem Suggested Solu tion Adap ter BIOS Disabled [...]

7-4 T roub leshooting Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 7.3 Othe r BIOS Err o r Messa ges Ta b l e 7 . 3 des cribes o ther BIO S error mes sages, their me aning, and sugge sted sol utions. 1 Logica l Drive Degr aded A lo gical driv e signe d on in a d egraded sta te. Mak e sure all p hysica l drive s are properly con[...]

Other P ot enti al Proble ms 7-5 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 7.4 Othe r P otential Pr obl ems Ta b l e 7 . 4 des cribes other po tential problems. Unresolved configur ation mismat ch betw een disks and NVRAM o n the adapte r The config uration sto red in the MegaRA ID NVRAM do es not match the configur ation st[...]

7-6 T roub leshooting Cop yright © 2002 by LSI Logic Corporation. All rights reserved. MegaR AID pow er requ irem ent s The ma ximum M egaRAID SCSI 320-1 po wer req uirements are 15 W at 5 V and 3 A. SCSI bus requ irem ent s The ANSI sp ecifica tion dicta tes the fol lowi ng: · The maxi mum signal p ath length b etwee n terminators i s 3 meters w[...]

MegaRAID SC SI 320-1 Hardw are Guide A-1 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Appendix A SCSI Cabl es and Connector s MegaRAID S CSI 320 -1 provides sev eral different types of SCSI conne ctors. The conne ctor s are: · One 68- pin high d ensity i nter nal connecto r · One 68- pin very high dens ity externa l connector[...]

A-2 SCSI Ca bles and Connec tors Cop yright © 2002 by LSI Logic Corporation. All rights reserved. A.1.1 Cable As sembly for Internal Wide S CSI Devices The cable asse mbly for connecting i nter n al Wid e SC SI devices is sh own below . Pin 1 Connectors: 68 P os ition Plug (Male) AMP – 786090-7 Cab le : Flat Ribbon or T wisted-Pair Flat Cab le 6[...]

68-Pin High -Density SC SI Internal Connecto r A-3 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. A.1.2 Connecting Internal a nd External Wi de De vices The cable ass embly f or conne cting inter nal W ide and exter nal Wide SCSI d e v ices i s shown below . Pin 1 Pin 1 Pin 1 A Connector A: 68 P osition Panel Mount Receptacle wit[...]

A-4 SCSI Ca bles and Connec tors Cop yright © 2002 by LSI Logic Corporation. All rights reserved. A.1.3 Con ver ting Internal Wide to In ternal Non- Wide (T yp e 2) The cable ass embly f or convert ing in ternal Wide SC SI con nectors to inter nal no n-Wide (T ype 2) SCS I connec tors is s hown below . Pin 1 Connector A : 68 P osition Plug (Male) [...]

68-Pin High -Density SC SI Internal Connecto r A-5 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. A.1.4 Con ver ting Internal Wide to In ternal Non- Wide (T yp e 30) The cable ass embly f or convert ing in ternal Wide SC SI con nectors to inter nal no n-Wide (T ype 30) S CSI co nnectors i s shown below . A.1.5 Con ver ting from I[...]

A-6 SCSI Ca bles and Connec tors Cop yright © 2002 by LSI Logic Corporation. All rights reserved. A.2 SCSI Cable and Connector V endors Ta b l e A . 1 list s SCSI cable vendors, and con tact infor mation. Ta b l e A . 2 table li sts SC SI co nnecto r vendors. T able A.1 SCSI Cable V endors Manufac turer T elephone Number Cab les T o Go V oice: 800[...]

High-De nsity 68-Pin Connec tor Pinout f or SE SCSI A-7 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. A.3 High-Density 68-Pin Connector Pin out f or SE SCSI Ta b l e A . 3 lists the pin out f o r the high- density 68-pin conne ctor f or singl e- ended SCS I. T able A.3 High-Density 68-Pin Connector Pinout (SE SCSI) Signal Connec[...]

A-8 SCSI Ca bles and Connec tors Cop yright © 2002 by LSI Logic Corporation. All rights reserved. The following appli es to the hi gh-dens ity SCS I conne ctor des cribe d in Ta b l e A . 3 : · A hyphen before a signal na me indic ates that s ignal is ac tive low . · The con nector pi n refers to the co nducto r positi on when u sing 0.02 5 inch[...]

68-Pin Conn ector Pinou t for L VD SCSI A-9 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. A.4 68-Pin Connector Pino ut f o r L VD SCSI Ta b l e A . 4 list s the pino ut f or the 68-pin con nector for L VD SC SI. T able A.4 68-Pin Connector Pinout for L VD SCSI Signal Connecto r Pin Cable Pin Ca bl e Pin Connector Pin Signal +DB([...]

A-10 SCSI Cab les and Connectors Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Note: T he conduc tor number r efers to the condu ctor position when usin g flat-r ibbon cable. +BSY 23 45 46 57 -BSY +A CK 24 47 48 58 -A CK +RST 25 49 50 59 -RST +MSG 26 51 52 60 -MSG +SEL 27 53 54 61 -SEL +C/D 28 55 56 62 -C/D +REQ 29 57 58 63 -REQ[...]

MegaRAID SC SI 320-1 Hardw are Guide B-1 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Appendix B A udib le W arnings The Mega RAID SCSI 320-1 R AID controll er has a n onboard tone generator that indicate s ev ents and erro rs. Note: Thi s is av ailable only if the opti onal ser ies 502 Batt ery Backup Unit ( BBU) is insta lled[...]

B-2 Audible Warn ings Cop yright © 2002 by LSI Logic Corporation. All rights reserved.[...]

MegaRAID SC SI 320-1 Hardw are Guide C-1 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Appendix C Glossa ry Array A grouping of indivi dual disk drives that com bines the storag e space on the disk dri v es into a single segmen t of conti guous sto rage spac e. MegaRAID c an grou p disk d r ives on one or more SCS I chan nels in[...]

C-2 Glossar y Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Channel An electr ical path for the transfer of data and control infor mation betwe en a disk a nd a disk controlle r . Consistency Check An examination o f the di sk system to dete rm ine whether all co nditions are valid f or the s pecifie d configuratio n (such as pa[...]

C-3 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. provides h igh I/O pe rf or mance a t low cost, but provides lowers data reliabi lity than any of its me mber disk s. Disk Subsystem A c ollection of disks and the hardware th at connec ts them to o ne or more host compu ters. The hardware ca n include an intellige nt control ler[...]

C-4 Glossar y Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Host Computer Any compute r to which disks ar e directly attached. M ainframes, ser vers, works tations, and pe rsonal computer s can al l be cons idered h ost compu ters. Hot Spare A stand- by disk dr ive ready for use if a drive in an ar ray f ails. A hot spar e does [...]

C-5 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Mbyte (Megabyte) An abbreviation f or 1,000,0 00 (10 to the sixth power) bytes. One Mbyte equals 1,000 Kbytes (k ilobytes). Multi-threaded Having mul tiple concurre nt or pse udo-con current ex ecution s equen ces. Used to des crib e proces ses in computer systems. Mult i-threa d[...]

C-6 Glossar y Cop yright © 2002 by LSI Logic Corporation. All rights reserved. RAID Redundant Array of Independe nt Disks. A da ta storage method in which data, alon g with par ity infor mation, i s distr ibuted among two or m ore hard disks (called an array ) to improve perf or mance and reliabi lity . A RAID disk s ubsystem i mproves I/O perform[...]

C-7 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Redundanc y The provi sion of multipl e intercha ngeable compon ents to per f or m a single f unction to cope w ith f ail ures or err ors. Redundan cy nor mally applies to hardware; d isk mirror ing is a common f or m of ha rdware redundan cy . Replacement Disk A di sk a v aila b[...]

C-8 Glossar y Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Servic e Pro vider T he Ser vice Provider (S P) is a pr ogram that resi des in the desktop system or ser ver and is respon sible f or all D MI acti vities. This l a yer collec ts manage ment in f o rm ation f rom produc ts (wheth er system hardware, peri pherals, or sof[...]

C-9 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Ultra320 A sub set of U ltra3 SCSI t hat allows a maxi mum through put of 320 Mbytes/s, which is twice as f as t as Wide Ul tra2 SCSI. Ultra3 20 SCSI provides 3 20 Mbytes/s on a 16-bit connecti on. Vir tual Siz ing Fle xRAID vir tual s izing is used to cr eate a lo gical dr ive u[...]

C-10 Glos sar y Cop yright © 2002 by LSI Logic Corporation. All rights reserved.[...]

MegaRAID SC SI 320-1 Hardw are Guide IX-1 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Inde x Numerics 160M and Wide SCSI 4-1 68-pin connector p inout fo r LVD SCSI A-9 68-Pin High Density Connectors A-1 A AMPLIMITE .0 50 Series conn ectors A-8 Array C-1 Array Con figuration Pla nner 5-14 Array ma nagemen t softwar e C-1 Array [...]

IX-2 Inde x Cop yright © 2002 by LSI Logic Corporation. All rights reserved. H Hardware Installation 6-1 High-de nsity 68-pin SC SI connecto r pinout A-7 High-de nsity single -ended con nector A-8 Host com puter C-4 Host-ba sed array C- 3 Host-based RAID solution 2-2 Hot spar e 2-8 , 2-10 , C- 4 Using during disk rebuild 2-9 Hot swap 2-9 , C-4 I I[...]

Inde x IX-3 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Connect ing 6-13 SCSI cab les and conn ectors A-1 SCSI channel C-7 SCSI Connector Vend ors A-6 SCSI connector s 4-7 , 4-8 SCSI controller 4- 6 SCSI da ta transfer rate 4-6 SCSI Device Compatibility 4-10 SCSI device typ es support ed 4-6 SCSI Drive State C-7 SCSI firmware [...]

IX-4 Inde x Cop yright © 2002 by LSI Logic Corporation. All rights reserved.[...]

MegaRAID SC SI 320-1 Hardw are Guide 1-1 Cop yright © 2002 b y LSI Logic Corporation. A l l rights reserved. LSI Logic Confid ential Customer Fee dbac k W e would appre ciate your f e edback on this docum ent. Please cop y the f ollowing pa ge, add your comm ents, and fax it to us at the number shown. If approp riat e, please also f ax cop ies of [...]

LSI Logic Confid ential 1-2 Custo mer F eedbac k Cop yright © 2002 b y LSI Logic Corporation. A l l rights reserved. Read er’ s Com ment s F ax your comment s to: LSI Lo gic Cor pora tion T echni cal Publica tions M/S E- 198 F ax: 408.433.43 33 Please te ll us how y ou rate this doc ument: MegaRA ID SCSI 320- 1 Hard- ware Gu ide . Place a c heck[...]