Benutzeranleitung / Produktwartung FastTrak SX Series Version 4.4 des Produzenten Promise Technology
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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 .
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 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.
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.
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.
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.
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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.
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 Netwo.
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.
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.
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.
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.
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.
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 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.
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).
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.
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.
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.
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.
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 ).
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.
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.
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.
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.
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.
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 .
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.
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 .
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.
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 .
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.
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.
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.
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.
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 .
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 .
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.
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 .
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 ref.
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 .
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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.
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).
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.
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.
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.
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.
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.
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).
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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 .
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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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.
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.
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.
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.
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.
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.
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.
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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.
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.
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.
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).
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.
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.
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.
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.
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