Promise Technology FastTrak SX Series Version 4.4 manuel d'utilisation

P ROMISE A RRA Y M ANAGEMENT (PAM) FOR FastTrak S150 SX4 and SX4000 series User Manual Version 4. 4[...]

Promise A rray Management ii Copyright © 2003, Pr omise T echno logy, Inc. A ll Rights Res erved. Copyright by Promi se Tech nology , Inc. (Promise T echn ology ). No part of this manual may be r epro duced or transmitt ed in a ny form w itho ut the ex pressed, wr itten permissio n of Pr omise Technolo gy . Trademarks Promise, and the Pro mise log[...]

iii Content s Chapter 1: Introducti on ............................................................................................... 1 PAM Compone nts ............................................................................................... 1 How They W ork T ogether ..........................................................................[...]

Promise A rray Management iv Chapter 5: R AID Monitorin g and Maintenan ce with PAM ......................................... 43 Launch PAM...................................................................................................... 43 Local PAM ...............................................................................................[...]

1 Chapter 1: Intro duction Promise Array M anagement ( PAM) is a ut ility applic ation design ed specifica lly for monit oring and ma naging Promi se Tech nology RAID pro ducts, suc h as the FastTrak SX 4000 ser ies and S150 SX4 RA ID Controller card s. Promise incl udes BIOS-based RAID manage ment utilit ies with each of its products . PAM, howev [...]

Promise A rray Management 2 How They Work Together The Promi se Array Managem ent (PAM) utility provides and easy w ay to set up, monitor, modify and repa ir your RA ID. PAM works w ith the Promise F astTrak SX4000 seri es and S150 SX 4 Control l er card. PAM watches the RAID and w hen signifi cant event s happen, or it discovers a problem, the Mes[...]

Chapter 1: Int roduction 3 PAM Install ation Options Following are some ex amples of w ays you can incorporate P A M into your network and RAID syste ms. Router & F irewall Laptop comput er + M oni t orin g U til it y A networked PC + M oni t orin g U til it y Company LAN Interne t Home-based PC + Monit oring Utility Modem Network File Server +[...]

Promise A rray Management 4 A ne tw or ke d PC + Monitoring Utility Company LAN A networked P C + Monitoring Utilit y + Message Server PC + FastT rak S 150 SX4 + Int ernal RA ID array + Message Agent PC + Fast Trak S15 0 S X4 + Message A gent PC + FastTrak S X4000 series + Message Agent Figure 2. Company L AN w ithout a File Server In the abov e ex[...]

Chapter 1: Int roduction 5 PC + FastTrak S150 SX4 + Int ernal RA ID array + M oni tori ng Ut ilit y + Message Server + Message Agent PC + FastTrak S X4000 series + Monitori ng Utility + Message Server + Message Agent Figure 3. PCs w ith Internal RAID. Promise’ s FastT rak SX4000 s eries and S150 SX4 Controller cards are de signed to setup and con[...]

Promise A rray Management 6[...]

7 Chapter 2: Inst allatio n To insta ll Promise Array M anagement (PAM ) is an uncompli cated proc edure, once y ou understand y our systems and how y ou want to use PA M . The purpose of this Cha pter is to help y ou plan and carry out yo ur installati on of PAM. By way of review, PAM consists of three component s: • M onitoring Utility • M es[...]

Promise A rray Management 8 Router & Firewall Laptop com puter + Monitoring Utili t y A networked PC + Moni toring Utility Co mpa ny LAN Internet Home-based PC + Monito r ing Ut ilit y Modem Network File Server + Message Server PC + Fa s tTrak S150 S X4 + Internal RAID array + Message Agent PC + FastTrak SX4000 + Message Agent PC + F astTrak S1[...]

Chapter 2: Inst allation 9 Messag e Server The M essage Server inst alls onto the RAID PC if y our insta llation doe s not involve a n etwork. If you w ant run PAM over a ne twork, inst all the Messa ge Serv er on one of your networked computers i ncluding a fi le server, a networked P C or the RAID PC. Only one i nstallatio n of the M essage Serve[...]

Promise A rray Management 10 Network Requirements If you pl an to insta ll PAM on a network be sure all the hosts and s ervers are connect ed and runni ng. That i s, each of the PCs, RAID s and Serv ers must have a working n etwork co nnection before y ou insta ll PAM. In order for PAM to be conf igured ov er a network, y ou must know the IP (netwo[...]

Chapter 2: Inst allation 11 Figure 5. PAM Setup O pening Screen. 7. Click Next or pres s Enter to co ntinue. Figure 6. The License Agreement. 8. When t he License Agre ement appear s, click the Y es butt on to agree to the terms an d continue t he install ation. If you clic k No, PAM Setup w ill ex it.[...]

Promise A rray Management 12 Figure 7. The Setup Ty pe dialog box. 9. In the S etup Ty pe dialog box , make your choi ce between Co mplete (Recomme nded) and C ustom i nstallation. Use the Custo m instal lation to change i nstall lo cations or t o deselect individua l com ponents. 10. Click the Next button or press Enter to continue. Figure 8. Read[...]

Chapter 2: Inst allation 13 Figure 9. Add User A ccount dialog box. 12. W he n the Add User Account d ialog box appear s, you may accept the default n ame or enter a new one in the N ame field. 13. Enter your p assword in t he Password and Confirm Passw ord fields. W hen you are d one, click N ext or press En ter to contin ue. Note If you are only [...]

Promise A rray Management 14 Figure 10. Install Complete dialog b ox. 14. W he n the Inst all Complete dialog box appears, y ou have th e optio n to • Create pr ogram shortcut s on your Des ktop • Regist er W ebPAM online Both of the se options are r ecomme nded. 15. Click Fin ish or pres s Enter to finish the instal lation. This co mpletes th [...]

15 Chapter 3: Initia l Setup After you h ave completed installat ion, you m ust setup your PAM Monitoring Utility to w ork with your R AID. Launch PAM Figure 11. Desktop icons (left) and Star t Menu entries (right). To Start PAM , click on a D e skt op icon or go to St art > Programs > Promise Array Management and sel ect: Local PAM – U se [...]

Promise A rray Management 16 Local PAM Log-i n Launch L ocal PAM as de scribed ab ove. W he n the PAM user interface app ears: Figure 12. Logging in to the Lo cal Agent. 1. Right click on t he RAID M achine icon in T ree View. Select Login from the popup menu (see above). T he Login dia log box appear s. Figure 13. Username and Pass w ord dia log b[...]

Chapter 3: Init ial Setup 17 Remote PAM Log-in You must create a RAID S erver in order t o use Remote PA M. The R AID Server in PAM communicates w ith the M essage Server on t he network to connect y our PC w ith the other PCs runn ing FastTrak. Launch Re mote PAM as described above. W hen the PAM user int erface appears: Figure 14. Create a New Se[...]

Promise A rray Management 18 Figure 16. List of RAID PCs on the net w ork. 4. Click on the + ic on in front of t he RAID Server to see the li st of networke d RAID PCs. 5. From t he list of n etworked RAI D PCs, find th e one you w ant to access, right- click on its RAID M achine icon and s elect Login fro m the popup menu. Figure 17. Login dialog [...]

Chapter 3: Init ial Setup 19 Logout of R A ID PC Logout of the RAID Server effectively l ogs you out of all RAID PCs using t hat network co nnection. You can l og out of one RAID PC w hile remaining connect ed to others o n the network. Righ t-click o n the RAID Machine icon of t he PC you w ant to disconn ect and se lect Logout from the po pup men[...]

Promise A rray Management 20 PAM User Interfa ce The M onitor window is th e user interf ace for PAM. It app ears imm ediately af ter login an d display s monit oring and mana gement fun ctions. Figure 19. The PAM Monitor w indow ha s three views. The M onitor window has t hree view s: Tree View ― Di splays th e element s of y our RAID syst em. I[...]

Chapter 3: Init ial Setup 21 Create a New User The Admin istrator is created b y default. Y ou must creat e addition al users manually . To create a new User: 1. Right-c lick on th e User M anagement icon and se lect New > U s er from the popup menu (below ). A new U ser icon appears. Figure 20. User Information View. 2. Click on the User ico n [...]

Promise A rray Management 22 Every U ser has least one o f these three R ights a nd can change hi s/her own passw ord. The Adminis trator can a ssign more or fewer righ ts to other Us ers but cann ot change their p asswords. 3. T ype in a Usernam e and Passw ord in their respectiv e fiel ds. Check a ll the appro priate box es to set acc ess rig hts[...]

Chapter 3: Init ial Setup 23 Figure 21. Create Array Settings. 3. T he Select the Create Array icon and go to the Cr eate Array Settings in Information Vi ew. 4. In the Cr eate Array Setti ngs box : • Ty pe in a name for your arr ay • Select the RAID Mode (Lev el) from the dr opdown menu • Highlight t he disk dr ives to ad d to the array • [...]

Promise A rray Management 24 5. Click the Create butt on when y ou are done. Figure 22. New Arra y . The new array appears in Tree View . The nex t step is to partition an d format the new array using the RAID PC's Operating Sys tem. See App endix B in th is M anual for more informati on. There is no need to re start your comput er.[...]

Chapter 3: Init ial Setup 25 Setup Email Alert Notificati on PAM alerts y ou to the pr oblems and pro cesses h appening to your RAID throu gh email an d popup me ssages. T hese steps describe how to setup th e email function. 1. Click on the RAID M achine icon. Informatio n for the RAID P C appears i n Information Vi ew. Figure 23. Event Log Settin[...]

Promise A rray Management 26 Figure 25. Email Sender and Recip ients. 9. Scroll down to the Em ail Sender and R ecipients box. 10. In the Ema il ID of Alert Sen der field, ty pe in the e mail addres s of this computer . 11. This addr ess will ap pear in the From field of the email alerts. Recip ients may reply to this addre ss, if it i s valid . 12[...]

Chapter 3: Init ial Setup 27 Specify A lert Notif ication Event s PAM can be configured to report a vari ety of alert s, by emai l, popup m essage or both. Thi s section des cribes h ow to tell PAM what to report a nd which meth od to use. 1. Click on the RAID Sy stem icon w hose alert notif ication ev ents you w ish to modify . The Event A l ert S[...]

Promise A rray Management 28 Following is a list of Events an d their Severity: Information Ev ents Warning Events Disk S.M.A.R.T . Failed Disk T ime Out Array Critica l Controller Del ete Array Array Rebuil d Aborted Array Ex pansion/Conver sion Aborted Error Events Disk P lug In Bad Sector L og Updated Channel R eset Bad Sector L og Cleared Contr[...]

29 Chapter 4: P A M User Interface This ch apter descri bes PAM’s G raphic User Interf ace (GUI). You should understan d that PAM is software runn ing on top of the Promise RA ID BIOS and other appl ications t hat ca me with your Pro m ise RA ID product . PAM adds a graphic u ser interfac e to make RAID mana gement fun ctions easier to understan [...]

Promise A rray Management 30 Tree View Local PA M The M onitor window is th e user interf ace for PAM. It ha s three v iews: Tr ee View, Object V iew and Inform ation View which w ere introdu ced in Chapter 3. The T ree View displays all of t he elements of your RAID sy stem. Use it to navigate to specif ic componen ts. Figure 30. An example of a R[...]

Chapter 4: User I nterface 31 Remote P AM Figure 31. An example of a RA ID s y stem in Tree View on R emote PA M. Normally , the Tree View is present. To clo se it, right- c lick on any obje c t and select Hi de Pane from t he popup m enu. To open it again, go to View men u and Outline . PAM Softw are RAID Server (PC w i th Message Server) RAID Mac[...]

Promise A rray Management 32 Tree Vi ew and Component Specific Menus In PAM , like most W indow s applicati ons, you can a ccess th e various co mmands and funct ions by op ening drop down menus an d clicki ng on ic ons. Each ti me you click on a compo nent in Tree View, PAM ’s menu bar al so displays that compone nt’s dropdow n menu. Below are[...]

Chapter 4: User I nterface 33 Information V i ew Informati on View, like Ob ject View , changes its content dep ending on w hich item you sel ect in Tree Vi ew. The differe nce is that you use Infor mation View to obtain da ta, input se ttings and information. Figure 34. Information View sho w ing the spec ifications of an A rra y . Status Bar The [...]

Promise A rray Management 34 Pull down Menus As indic ated above, the left-most i tem of the Pu lldown M enus changes accordin g to which c omponent is sel ected in the Tree View . Dynamic Menus By the ter m Dynamic M enus, we refer to m enus appear only w hen a certain ite m is sele cted in Tr ee View. They are: Main, M y Console, Server , RAID Ma[...]

Chapter 4: User I nterface 35 RAID Machine Me nu W he n the RAID M achine is select ed, the RAID M achine me nu appears. It s function s include: • Login • Logout • Screen refresh • Rename the RAID M achine icon • Exit PAM RAID Syste m Menu The RAID Sy stem menu appe ars with the RAID Syste m icon is selected. Its function s include: • [...]

Promise A rray Management 36 W hen the Arr ay icon i s selected, th e Maintena nce menu d isplays Cont roller function s: • Pause sync hronization/ rebuild • Continu e syn c hroniz ation/rebu ild • Delete this array • Refresh the scr een • Rename the Array icon View Menu The View menu disp lays or hid es three item s: • Toolbar • Stat[...]

Chapter 4: User I nterface 37 Preferen ce Menu The Preferen ce menu al lows you to start PAM automat ically when your PC boots. C heck to enable or uncheck to dis able this f eature. If you are using PAM for rem ote monitor i ng, runn ing PAM automatically is a good idea . This way , your PC w ill be conne cted to the RAID and you w ill receiv e al[...]

Promise A rray Management 38 Toolbar The T oolbar is a seri es of butt ons that are shortcuts to perf orming sp ecific ta sks. You w ill never see all buttons active as in the example below . Figure 36. The Toolbar. They become active w hen you click on spe cific sy stem comp onents in T ree View. O nly the tool button s pertaini ng to that c ompon[...]

Chapter 4: User I nterface 39 Popup Menus In additi on to the co mmands in the dr opdow n menus, there is a corr esponding set of co mmands y ou can acc ess via po pup menus. In a popup menu, you ca n use any of the comman ds that are in black. Y ou will notice th at some funct ions are grayed out, mean ing that you cannot u s e them . M any functi[...]

Promise A rray Management 40 RA ID S yst em Icon The RA ID System icon repres ents the FastT rak SX4000 s eries and S150 SX4 PC I cards (right). T here are two com mands for th is item: • Screen refresh • Rename the RAID M achine icon Controller Icon Right-cli ck on the Contr oller icon to access the fo llowing commands: • Read Event s in the[...]

Chapter 4: User I nterface 41 A r ray Icon Right-cli ck on the Array icon to acce ss the follow ing comma nds: • Pause sync hronization/ rebuild • Continu e syn c hroniz ation/rebu ild • Delete this array • Refresh the scr een • Rename the Array icon User Management Icon Right-cli ck on the Use r Managemen t icon to a ccess the fol lowing[...]

Promise A rray Management 42[...]

43 Chapter 5: R A ID Monitoring an d Maintenan ce w ith P A M This ch apter descri bes using PAM to monitor and manage y our RAID sy stem. The chapt er is divided into sec tions for major PAM functions: • Local PAM • Remote PAM • M anage Users • Alert Notificati on • Controller • Arrays Launch PAM Figure 37. Desktop icons (left) and Sta[...]

Promise A rray Management 44 Local PAM Log-in Launch L ocal PAM as de scribed ab ove. W he n the PAM user interface app ears: Figure 38. Logging in to the Lo cal Agent. 1. Right click on t he RAID M achine icon in T ree View. Select Login from the popup menu (see above). T he Login dia log box appear s. Figure 39. Username and Pass w ord dia log bo[...]

Chapter 5: RAID Monit oring and Maintenance 45 Remote PAM Log-in The RA ID Server remains under the M y Console icon until d eleted. It co ntinues to work as long as the IP address is correct. Figure 40. Connect to the Mes sage Serv er. If PAM not connected to an existing RAID Serv er: • Right-cli ck on a RAID S erver icon and sel ect Connect fr [...]

Promise A rray Management 46 Creat e a RA ID Server The M essage Server relay s data and commands b etween the M onitoring Ut ility on this computer an d the Message Agent on the RAID PC. In order for your monitori ng PC to comm unicate w ith the Messag e Server, yo u must creat e a RAID Server. Figure 42. Create a New Serv er. 1. T he first time y[...]

Chapter 5: RAID Monit oring and Maintenance 47 Delete a RA ID Server If the IP ad dress changes for the comp uter where the M essage Server softw are is installed, an ex isting RAID Server w ith the old addre ss will no longer work. 1. Right-c lick on a RAID Server icon and select Delet e from the p opup menu. 2. Click OK in the confirmatio n dialo[...]

Promise A rray Management 48 Future Log-ins The RA ID Server remains under the M yConsole icon until de leted. It cont inues to work as long as the IP address is correct. Figure 44. Connect to the Mes sage Serv er. To make a connection w ith an existing RAID Serv er: • Right-cli ck on a RAID S erver icon and sel ect Connect fr om t he popup menu.[...]

Chapter 5: RAID Monit oring and Maintenance 49 Messag e Server IP A ddress Change If the IP ad dress changes for the comp uter where t he Messa ge Server softw are is inst alled, an ex isting RAID Serv er with the old a ddress will no longer w ork. 1. Right-c lick on a RAID Server icon and select Delet e from the popup menu. 2. Click OK in the conf[...]

Promise A rray Management 50 Manage Users Create a New Us er The Admin istrator is created b y default. Y ou must creat e addition al users manually . 1. Right-c lick on th e User M anagement icon se lect New > User from t he popup menu (righ t). A new User icon appe ars. 2. Or select the Us er Manageme nt icon and click the Add User button on t[...]

Chapter 5: RAID Monit oring and Maintenance 51 Ty pe in a Username an d Passw ord in their respectiv e fiel ds. Check a ll the appro priate box es to set acc ess rig hts. Cli ck the Commi t button w hen you are d one. The new user’s name a ppears in th e Tree View (right). Delete a User 1. In the T ree View , right-click on the icon of the U ser [...]

Promise A rray Management 52 Alert Notif i cation PAM alerts y ou to the pr oblems and pro cesses h appening to your RAID throu gh email an d popup me ssages. T hese steps describe how to setup th e email function. 1. Click on the RAID M achine icon. Informatio n for the RAID P C appears i n Information Vi ew. Figure 46. Event Log Setting portion o[...]

Chapter 5: RAID Monit oring and Maintenance 53 Figure 48. Email Sender and Recip ients. 8. Scroll down to the Em ail Sender and R ecipients box. 9. In the E mail ID of Aler t Sender fiel d, type in t he email addre ss of thi s computer . This addr ess will ap pear in the From field of the email alerts. Recip ients may reply to this addre ss, if it [...]

Promise A rray Management 54 Delete a U ser from the Recipi ent List To remov e a recipient fro m the Emai l Address Li st, do the fo llowing: 1. Click on the RAID M achine icon from w hich you w ish to delete an email alert messa ge recip ient. The Current R ecipient s window appears in the Inf ormation V iew. Figure 50. Current Recipients window.[...]

Chapter 5: RAID Monit oring and Maintenance 55 Specify A lert Notif ication Event s PAM can be configured to report a vari ety of alert s, by emai l, popup m essage or both. Thi s section des cribes h ow to tell PAM what to report a nd which meth od to use. 1. Click on the RAID Sy stem icon w hose alert notif ication ev ents you w ish to modify . T[...]

Promise A rray Management 56 Following is a list of Events an d their Severity: Information Ev ents Warning Events Disk S.M.A.R.T . Failed Disk T ime Out Array Critica l Controller Del ete Array Array Rebuil d Aborted Array Ex pansion/Conver sion Aborted Error Events Disk P lug In Bad Sector L og Updated Channel R eset Bad Sector L og Cleared Contr[...]

Chapter 5: RAID Monit oring and Maintenance 57 Co ntrolle r The Controll er deals w ith creating n ew Arrays, readi ng events fro m the m emory buffer, set ting cach e and perfo rmance optio ns. Array cre ation is covered in t he Arrays secti on of this chapter. View Event Log The Controller’ s M emory Buffer records all the ev ents that happen o[...]

Promise A rray Management 58 Controller Options The Controll er has sy stem informati on and sett ings several i mportant featur es. Click on the Controller ic on in T ree View to see the O ptions in Infor mation View. If any of t hese features ar e grayed out, it means they are not av ailable o n your hard driv es or that y ou are access ing the R[...]

Chapter 5: RAID Monit oring and Maintenance 59 Controller Cache Allows y ou to toggle b etween tw o write modes f or the FastT rak's cache: Write Through – D ata is w ritten to the ca che and hard drive at the sa me time. This arrangem ent is safer. Check the box to select it Write Back – Data is w ritten to the ca che first an d to the ha[...]

Promise A rray Management 60 PCI Bus Utilization On High setting, Fa stTrak hol ds onto the PCI bus longer for data transfers to occur. On Low setting, Fa stTrak re leases the PCI bu s sooner for other PCI devi ces to use. Normally , no adjust ment is req uired. How ever, some v ideo capture cards may produce a glitch dur ing playba ck of audio/vi [...]

Chapter 5: RAID Monit oring and Maintenance 61 Arrays Create an A rray 1. In T ree View, click the + to the left of the Controll er icon to see the Channels. C lick t he + to the le ft of ea ch Channel ico n to see the unassig ned disk drives. Unas signed drive s have thi s icon. The av ailable RAID s election depen ds on the n umber of di sk drive[...]

Promise A rray Management 62 Figure 55. Create Array Settings. 3. T he Select the Create Array icon and go to the Cr eate Array Settings in Information Vi ew. 4. In the Cr eate Array Setti ngs box : • Ty pe in a name for your arr ay • Select the RAID Mode (Lev el) from the dr opdown menu • Highlight t he disk dr ives to ad d to the array • [...]

Chapter 5: RAID Monit oring and Maintenance 63 5. Click the Create butt on when y ou are done. Figure 56. New Arra y . The new array appears in Tree View . The nex t step is to partition an d format the new array using the RAID PC's Operating Sys tem. See App endix B in th is M anual. There is no need to re start your comput er. Figure 57. Whe[...]

Promise A rray Management 64 Synchronize an A rra y Promise u ses the ter m synchr oni z ation to mean a n automated pro cess of checki ng and corre cting data and par ity. Unli ke a Rebuild , Synchronizati on is a maintena nce operation. Synchronizat ion applie s to RAI Ds 1, 0+1 and 5. It takes p lace w hen an array is first crea ted and then , o[...]

Chapter 5: RAID Monit oring and Maintenance 65 On Demand Synchro nization In additi on to schedule Synchroniz ation, you can direct FastT rak to beg in the Synchronizat ion proces s immediate ly. To acces s this featur e: Figure 59. Start S y nchronization. 1. Click on the Array icon and lo ok in Informa tion View. 2. Click the Start Button in the [...]

Promise A rray Management 66 Synchronizati on Settings This feat ure tells Fa stTrak ho w to deal w ith inconsisten cies in mirr ored or par ity data enc ountered on th e disk driv es during Synchr onization. Figure 61. Error Handling Polic y for S y nchronization. To acce ss these settings, cli ck on the Contr oller icon and look in Informat ion V[...]

Chapter 5: RAID Monit oring and Maintenance 67 Expand / Conv ert an Array Expansio n and Conver sion are tw o different operat ions but t hey often w ork together. E xpansion means ad ding disk driv es to an ex isting array . Conversi on means changing an existing ar ray from one R AID level to another. FastTrak S 150 SX4 an d SX4000 suppor t this [...]

Promise A rray Management 68 Figure 63. Select a disk driv e to add to the array . 3. In the S elect Free D isk dialog box, clic k on the ico n of any av ailable dis k drive to select it. T hen click N ext to continue. Figure 64. Do not select a RA ID Level. 4. In the S elect RAID M ode dialo g box, do not se lect a RAID M ode. Just click Nex t to [...]

Chapter 5: RAID Monit oring and Maintenance 69 Figure 65. Verif y the Array name and click Finish. 5. In the Finish dialog box, v erify the name of th e array y ou are expanding. Then cli ck Finish to begin the expansion p rocess. Figure 66. Expansion progress. During t he Ex pansion, the arr ay will be available for u se but it may run noticeab ly[...]

Promise A rray Management 70 Conversion Converting changes i ts RAID Level, and in s ome case s increase s the arr ay capacity , without aff ecting dat a availabil ity. Depe nding on th e source and target RAID lev els, you can a dd one or mor e free disk drives w hile performing the Convert fun ction. Note • W it h most op erating sy stems, ex p[...]

Chapter 5: RAID Monit oring and Maintenance 71 To conv ert an existing array: 1. Click on the Array icon in Tree View . Figure 67. Start Conversion. 2. Scroll down in Infor mation View to show the C onversion/Ex pansion Wizard and click the Start button . Figure 68. Select a drive only if y ou are adding one. 3. In the S elect Free D isk dialog box[...]

Promise A rray Management 72 Figure 69. Select the new RAID Lev el. 4. In the S elect RAID M ode dialo g box, click o n the icon of the new RAID level to sele ct it. Then c lick Nex t to continue . Figure 70. Verif y the Array name and click Finish. 5. In the Finish dialog box, v erify the name of th e array y ou are converting. Then cli ck Finish [...]

Chapter 5: RAID Monit oring and Maintenance 73 Figure 71. Conversion progress. During t he Conv ersion, the arr ay will be av ailable for use but it may ru n noticeab ly slow er. If the pop up messages are enabled , one will no tify you w hen the Conver sion is successf ully comp leted. The a rray will return t o Functiona l status.[...]

Promise A rray Management 74 A r ray Critical W he n a disk drive fa ils on a fault-to lerant array (RAID 1, 0+1 and 5) for any reason, th e Array goes Critical. The array can still read and w rite data but fa ult tolerance has been l ost. An Array Critical icon d isplays in T ree View and the alarm (i f enabled) beeps quickly to call your attentio[...]

Chapter 5: RAID Monit oring and Maintenance 75 In the ex ample above, t here ar e three di sk drives atta ched to the FastTrak controlle r and all thr ee are ass i gned to a RAID 5 arr ay. The three d isk drives a ppear under th e Controller b ut only two app ear under the Array. T he disk drive on Channel 2 does not ap pear under Array. T his is t[...]

Promise A rray Management 76 Rebuild an A rra y To Rebuild to restor e redunda ncy to a RAID 1, 0+1 or 5 af ter one of it s drives has fail ed. Unlike Sy nchronization, a Rebuild is a repair oper ation. W he n a drive fail s for any rea son, the Array go es Critical. An Array Critica l icon di splays in T ree View and the RAID alarm beeps quickly t[...]

Chapter 5: RAID Monit oring and Maintenance 77 Manual Rebuild After you re place a failed disk driv e, the rep lacement dr ive must be reb uilt in order to res tore the Array. To initia te an array Reb uild manual ly: 1. In T ree View, select the Array icon of the array you w ant to rebuild. Figure 76. Start Rebuild Wizard. 2. In Info rmation View [...]

Promise A rray Management 78 Figure 78. Rebuild Wizard Confirmatio n w indo w . To confir m the rebuil d choice, click Fini sh. Tree View and Informat ion View display the progr ess (below ). Figure 79. Rebuild progress. During t he Rebuil d process, the array w ill be availa ble for us e but it may run noticeab ly slow er. If the bee per is enable[...]

Chapter 5: RAID Monit oring and Maintenance 79 Rebuild Settings Beeper – Righ t-click o n the Controll er icon and se lect Beepe r from the popup me nu. A checkmar k means t he beeper i s enable d. Figure 80. Rebuild Settings in Infor mation View. Right-cli ck on the Contr oller icon an d look into Information V iew. C heck the respective boxes t[...]

Promise A rray Management 80 Error Handling This feat ure deals w ith a bad s ector on a disk drive that th e FastTrak C ontroller encounter s during a Re build. T he options are: Fix if possib le – The Contro ller attempt s to repair the d isk error. Skip – Bypa sses the dis k error and works around it. Abort – H alts the Rebuild and send s [...]

Chapter 5: RAID Monit oring and Maintenance 81 A r ray Off line W he n a disk drive fa ils on a no n-fault-tolerant array (RAID 0) for any reason, the Array goes Off line. The arr ay cannot r ead or write da ta. All of the data on th e array w ill be lost unl ess the fail ed drive is r estored to op eration. A fault-toler ant array (RAID 1, 0+1 and[...]

Promise A rray Management 82[...]

83 A p pe ndix A : R AID Concept s RAID is a n acronym t hat stand s for Redundant Arr ay of Inde pendent Disk s. It is divided into differe nt numbere d Levels. The nu mbers of th ese Level s do not mean that one Level is higher or bett er than anoth er. Each Lev el has its ow n advantag es and shortcomi ngs. PAM allow s you to sel ect the RAID Le[...]

Promise A rray Management 84 Stri ping (RAID 0) Reads and w rites se ctors of d ata interleaved b etween multi ple drive s . W hen any disk memb er fails, it affects the ent ire array. Perfor mance is better than a s i ngle drive si nce the w orkload is balance d betw een the array mem bers. This array type is for hi gh performan ce systems. Identi[...]

Appendix A: RAID Conc epts 85 Mirr ori ng (RAID 1) W ri tes dupli c ate dat a on to a p air of drives w hile reads are performe d in paralle l. RAID 1 is fault toleran t becaus e each drive of a mirrored pair is i nstalled o n separate controller c hannels. I f one of the mirrore d drives suf fers a mecha nical failure (for example, spindle fa ilur[...]

Promise A rray Management 86 Stripi ng / Mirrori ng (RAID 0+1) A combin ation of RAID 0 an d RAID 1 array s. It can incre ase perfor mance by reading a nd writing data in paralle l while pr otecting dat a with dupl ication. A minimu m of four driv es are req uired. W it h a four-driv e dis k array, tw o pairs of drive s are striped . Each pair mirr[...]

Appendix A: RAID Conc epts 87 A b out Dual Data Redundanc y One unique (t hough rar ely occ urring) feature o f RAID 0+1 is dual fault toleran c e. In some cases, tw o drives can fail simul taneously and st ill mainta in the integr ity of data. T here are six combina tions in w hich two drives can fail. F astTrak SX4000 seri es and S150 SX 4 protec[...]

Promise A rray Management 88 Block and Parity Striping (RAID 5) RAID 5 ca lculates parity in order to a chieve redunda ncy rath er than writing a second copy of the dat a, like R AID 1. Parity is d istributed a cross the phy sical drives a long with the data blocks. I n each ca se, the parity data is stored on a different d isk than its correspondi[...]

Appendix A: RAID Conc epts 89 JBOD - Single Drive An alternat ive to RAID, Just a Bunch of Disks (JBOD ) capaci ty is eq ual to the sum of a ll drives in the group, even if the dr ives are of different siz es. JBOD appears i n the User Interfac e as one or more indiv idual driv es. T here are no performan ce or fault-to lerance featur es. W hen a d[...]

Promise A rray Management 90[...]

91 A p pe ndix B: Pa rtition an d Format In order for y our W in dows to recog nize and w ork with your a rray, you must partition and format th e array. These ac tions creat e a file str ucture withi n your array w ith which W in dows can work. Note If you pl an to boot your computer fro m this array, go to Window s and Devic e Driver Insta llatio[...]

Promise A rray Management 92 Figure 89. The Disk Management W indow and Disk Wiz ard. 3. Click the Nex t button to start t he W izard . 4. In the following w indows, se lect Disk 1 to I nitialize. Do not selec t any disks to Convert. Cl ick the Finis h button to Init ialize the array. Figure 90. Initialized array read y for partition and format. 5.[...]

Appendix B: Partition and Format 93 Figure 91. The New Partition Wizard. 6. Click the Nex t button to start t he wizard. 7. In the following w indows, do t he follow ing actions. C lick Nex t to move to the nex t window. • Select Pri m ary Partit ion • Specify the max imum availabl e partition s ize in MB • Assign th e availab le drive let te[...]

Promise A rray Management 94 Figure 92. The newly formatted array as it appears under D isk Manageme nt. W he n formattin g is complet e, your array will app ear as a har d drive in th e Disk M anagement w indow (above) and t he My Computer window (below). Figure 93. The newl y formatted arra y under My Computer.[...]

95 A p pe ndix C: Netw orking Issues IP Address In order for PAM to be conf igured ov er a network, y ou must know the IP (network) addr ess of ev ery compon ent. The Messa ge Server use s IP addresses to comm unicate w ith the Message Ag ent on the RA ID PCs and the M onitoring Utility on the network PC s. To find th e IP network addr ess: 1. Go t[...]

Promise A rray Management 96 DHCP Issues Referring to t he Figure 84 above, note t hat it says: Dhcp enabled. . . . . . . . : Yes This means that a DHCP server gav e this IP addres s to thi s PC w hen the PC connect ed to the netw ork. DHCP stands for Dy namic Host C onfiguration Protocol a nd refers to softw are that a llows a fil e server to assi[...]

97 A p pe ndix D: T echnical Suppor t Promise T echnical Suppor t provides several su pport option s for Promise u sers to acce ss informat ion and updates. We encourag e you to us e one of our electroni c services, w hich prov ide product i nformation u pdate s for the mos t efficien t service and sup port. If you de cide to contac t us, ple ase h[...]

Promise A rray Management 98 Pacific Rim Sale s Office E-mail Supp ort support@pro mise.com.tw Fax Technic al Suppor t +886 3 578 23 90 Attention: T echnical S upport Phone Tec hnical Supp ort +886 3 57 8 23 95 (ex t. 8870) 9:00-6:00p m Taiw an Time If you w ish to write us for support: Promise T echnology, In c. Attn: Techn ical Support 2F, No. 30[...]