Manuel d'utilisation / d'entretien du produit 2000-100001 du fabricant Alacritech
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Al a cr i te ch Serv er and Storage A ccelerator User’s Guide.
Alacritech Server and Storage Accelerator Us er’s Guide i Preface Disclaimer The in formation i n this d ocum ent is sub ject to chang e withou t notice. Al acritech re serves the right to change any portion of thes e products for reasons su ch as im proving perform ance or enhanc ing function ality.
ii Alacritech Server and Storage Accelerator Us er’s Guide Organizati on of This Guide This g uide is the prim ary reference and operat ion guide for the Alacritech 100 and 1000 Se ries Serv er and .
Alacritech Server and Storage Accelerator Us er’s Guide iii software com ponent and the Limited Med ia Warranty for the software m edia..
iv Alacritech Server and Storage Accelerator Us er’s Guide Table of Contents 1 Introduction 1-1 1.1 About th is Guide 1-1 1.2 Desc ription 1-1 2 Soft ware Ins talla tion fo r Wind ows N T 2-1 2.1 Sof tware Installat ion Over view 2-1 2.2 Soft ware Inst all atio n 2-1 2.
Alacritech Server and Storage Accelerator Us er’s Guide v 7.3 Perf ormance Mon itoring 7-5 7.4 Adapter Team ing 7-6 8 Troubleshooting and Support 8-1 8.1 Alacr itech Autom ated Cust omer Support 8-1 8.2 READM E Files on CD-ROM 8-1 8.3 T roubleshootin g Overview 8-1 8.
Alacritech Server and Storage A ccelerator User’s Guide 1- 1 1 Introduction 1.1 Abo ut this Guid e This guide describes how t o install software and ope rate the Alacritech 100 and 1000 Se ries Serv er and Storag e Accelerat ors on a Windows NT 4.0 (Service Pack 4 and above) o r Windows 2000 system .
1-2 Alacritech Server and Storag e Accelerator User’s Guide and Storag e Accelera tors opera te with Windows N T 4.0 (Serv ice Pack 4 and abov e) and Windows 2000 o perating system s. SL IC Tec hnol ogy increas es server pe rform ance and effic iency.
Alacritech Server and Storage A ccelerator User’s Guide 2-1 2 Sof tware Insta ll ation for Windo w s NT 2. 1 Sof tw are I nst all atio n Over view This chap ter cov ers the ins tallation o f the so ftware req uired fo r a 100 or 1000 Seri es Server a nd Storage Acce lerator.
2-2 Alacritech Server and Storag e Accelerator User’s Guide 2.2.1 Installation of the 100 or 1000 Series Serv er and Storage Accelerator into an Existing Windows NT System with Networking Services Already Established If the Wind ows NT se rver com puter has a lready been set up for networking se rvices, follow thi s procedure.
Alacritech Server and Storage A ccelerator User’s Guide 2-3 Note: If y ou wish to place multiple adapters into a team for load balancing, y ou may configure the tea m now. Refer to Chapter 6 for the configuration procedure. 9. In the Netw ork dialog box, select the Pr otoc ols tab an d verify that Alacritech SLI C TCP/IP Offlo ad is added.
2-4 Alacritech Server and Storag e Accelerator User’s Guide If you attem pt to add a 100 or 1000 Ser ies Server and Storage Accelera tor on a sy stem that doe s not curren tly hav e networking installed, the sy stem will ask you if y ou wish to install netw orking.
Alacritech Server and Storage A ccelerator User’s Guide 2-5 11. When Windows NT Setup specif ies that it "needs to copy som e Windows NT fi les", replac e the Alacri tech Driver Installat ion CD with the Windows NT installa tion CD, speci fy the driv e letter co rresponding to your CD- ROM and click th e Continue button.
2-6 Alacritech Server and Storag e Accelerator User’s Guide 2. When prom pted to searc h for a netw ork adapter, click the Selec t fr om li st button .
Alacritech Server and Storage A ccelerator User’s Guide 2-7 2.2.4 Updating the 100 and 1000 Series D rivers on W i ndows NT Systems The 100 and 1000 Series driv er set can be u pdated on Windows NT system s using the fol lowing procedure: 1. Open the Control Panel and double-click the Network icon.
2-8 Alacritech Server and Storag e Accelerator User’s Guide button. I n the Warning dialog box, click th e Yes button to confirm . Repeat for all rem aining 100 or 100 0 Series entries fo r that adapter. 4. Shut down the com puter, a nd unplug the power c able.
Alacritech Server and Storage A ccelerator User’s Guide 3-1 3 Operations and Management for Windows NT 3.1 Overv iew of Performance Monitoring Perform ance data for the 100 and 100 0 Series Se rver .
3-2 Alacritech Server and Storag e Accelerator User’s Guide 1. Run the perform ance Mon itor applica tion from the Start Menu, locate d under P rogram s in the Administra tive Tools folder.
Alacritech Server and Storage A ccelerator User’s Guide 3-3 3. In the Object field , sele ct Processor and in the Counter field, sel ect % Pr ocess or Time and click the Add bu tton. Next, in the Object field , sel ect Server and in the Co unter field, sel ect Bytes Total/sec and click the Add button.
3-4 Alacritech Server and Storag e Accelerator User’s Guide field, sel ect SlowBytes Total/se c and c lick the Add button. FastBytes represents da ta m oving through the 100 or 1000 Series Serv er a.
Alacritech Server and Storage A ccelerator User’s Guide 3-5 Note that whi le the total am ount of da ta is stil l 41 MB/sec (green line), the same serve r's CPU is now at a round 10% (red line ). Also, th e data is almost en tirely Fa stPath ( blue line).
3-6 Alacritech Server and Storag e Accelerator User’s Guide As soon as the Al acritech 100 or 10 00 Series Se rver and Stor age Accelera tor finds a probl em w ith a connection such as a dropped fra.
Alacritech Server and Storage A ccelerator User’s Guide 3-7 Object Explanation FastPath connections Number of TCP /IP connect ions in FastP ath mode (m aximum 4096 for each 1000x1 Server and Storage Acce lerator, 2048 for each 100x1 Serv er and Sto rage Accele rator and 512 for eac h 100x2 or 100x4 Se rver and Storag e Accelera tor).
3-8 Alacritech Server and Storag e Accelerator User’s Guide Note: Running Diagnostics will disrupt all port s of the 100 or 1000 Series Ser ver and Storage A ccel erator. 6. Click the Run button. The adapter w ill then run t hrough self- test of the I PP and the sele cted port o f the adap ter.
Alacritech Server and Storage A ccelerator User’s Guide 3-9 3.3 Disablin g IPX /SP X and NetBE UI Note: To ensure optimal perf ormance benefit of the 100 and 1000 Series Serv er and Storage Accelerator, make sure that y our clients are connected to the server using TCP/IP in stead of other protocols such as NetBEUI or IPX/SPX.
3-10 Alacritech Server and Storag e Accelerator User’s Guide.
Alacritech Server and Storag e Accelerator User’s Guide 3-11 4. Right- click the I PX/SPX protocol an d select Disable . Alterna tively , select t he IPX/SPX prot o col and click the Disable bu tton.
3-12 Alacritech Server and Storag e Accelerator User’s Guide 5. Do the sam e for all “NetBEUI ”, “NetBI OS”, “I PX”, and “SPX” protocols. 6. Click OK and restart th e com puter when prom pted. It is recom mended that y ou disa ble these p rotocols an d not rem ove them.
Alacritech Server and Storag e Accelerator User’s Guide 3-13 3.4 Disabling SLIC TCP/IP Offload on Select Interfaces In certain environm ents, such as n etworks with routing loops, it m ay be necessary to disable the SLI C TCP/IP Offload featu re on the 100 or 1000 Ser ies inte rfaces in your system .
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Alacritech Server and Storage A ccelerator User’s Guide 4-1 4 Sof tware Inst allat ion for Windo w s 2000 4. 1 Sof tw are I nst all atio n Over view This chap ter cov ers the ins tallation o f the so ftware req uired fo r a 100 or 1000 Seri es Server a nd Storage Acce lerator wit h Windows 2000.
4-2 Alacritech Server and Storag e Accelerator User’s Guide 4.2 S oftware Installa tion This sec tion covers the procedur es for install ing the softwa re require d for the 100 and 1000 Ser ies Server and Storag e Accelera tors. Follow the appropr iate proc edure for y our type of installa tion.
Alacritech Server and Storage A ccelerator User’s Guide 4-3 2. Click the Readme butto n if y ou wish to read th e updated produc t inform ation. Othe rwise, check the Po rt Aggregation D river box in the Alacri tech 100 and 1000 Series Se rver and S torage A ccelerator S etup window, and then c lick th e Continue button.
4-4 Alacritech Server and Storag e Accelerator User’s Guide 5. At this po int a team ing config uration window w ill appear. I f you wish to config ure team ing now, consult Chapter 6 ; otherw ise, selec t Cancel in the team ing window. 6. When insta llation com plete s, you will be a sked to restart y our system .
Alacritech Server and Storage A ccelerator User’s Guide 4-5 will appe ar each t ime the 100 and 10 00 Serie s driver is insta lled for an adapter po rt. Be su re to click the Yes button each ti me. 4. Click the Readme butto n if y ou wish to read th e updated produc t inform ation.
4-6 Alacritech Server and Storag e Accelerator User’s Guide 5. Confirm the remov al of the dev ice by selec ting the “Yes, I want to un install this dev ice” item and click the Next button. 6. Click the Finis h button t o close the Add/Remove Ha rdware Wizar d progra m.
Alacritech Server and Storage A ccelerator User’s Guide 5-1 5 Operations and Management for Windows 2000 5.1 Overv iew of Performance Monitoring Perform ance data for the 100 or 100 0 Series Se rver.
5-2 Alacritech Server and Storag e Accelerator User’s Guide Run the Perform ance Moni tor applicat ion from the Start Menu, located unde r Setting in the Contro l Panel fo lder in the Administr ative Tools ob ject. 1. Select the + button to add objects to the chart.
Alacritech Server and Storage A ccelerator User’s Guide 5-3 In this exam ple, the av erage C PU usage is over 90% ( red line) a nd approxim ately 41 MB/sec of data is being handled by the Serv er process (green lin e). 3. With the 100 or 1000 Seri es Server and Storage Acc elerator installed, add Alacri tech in formation to the char t.
5-4 Alacritech Server and Storag e Accelerator User’s Guide 4. After th e SLIC additi ons, your disp lay should lo ok simila r to this :.
Alacritech Server and Storage A ccelerator User’s Guide 5-5 Note that whi le the total am ount of da ta is stil l 41 MB/sec (green line), the same serve r's CPU is now at a round 10% (red line ). Also, th e data is almost en tirely Fa stPath ( blue line).
5-6 Alacritech Server and Storag e Accelerator User’s Guide As soon as the Al acritech 100 or 10 00 Series Se rver and Stor age Accelera tor finds a probl em w ith a connection such as a dropped fra.
Alacritech Server and Storage A ccelerator User’s Guide 5-7 Object Explanation FastPath connections Number of TCP /IP connect ions in FastP ath mode (m aximum 4096 for each 1000x1 Server and Storage Acce lerator, 2048 for each 100x1 Serv er and Sto rage Accele rator and 512 for eac h 100x2 or 100x4 Se rver and Storag e Accelera tor).
5-8 Alacritech Server and Storag e Accelerator User’s Guide Note: Running Diagnostics will disrupt all port s of the 100 or 1000 Series Ser ver and Storage A ccel erator. 3. Click the Run button. The adapter w ill then run t hrough self- test of the I PP and the sele cted port o f the adap ter.
Alacritech Server and Storage A ccelerator User’s Guide 5-9 4. Close the slicuser utility by clicking the OK button. 5.3 Disabling SLIC TCP/IP Offload on Select Interfaces In certain environm ents, .
5-10 Alacritech Server and Storag e Accelerator User’s Guide 1. From the Start menu, open the Network & Dial- up Connections fold er located under the Settings menu. 2. Double-click the LAN connect ion of the interface y ou wish to disable TCP offload.
Alacritech Server and Storage A ccelerator User’s Guide 6-1 6 Configuri ng T eaming and Failover 6.1 Overview of Teaming and Failov er Team ing, trunking , link ag gregation, po rt agg regation, load balancing , call i t what you w ill.
6-2 Alacritech Server and Storag e Accelerator User’s Guide IP address. Fo r example, all of the four ports of an Alacri tech 100x4 Serv er and Storag e Accelerato r can be config ured to form an EtherChannel wi th four co mpatibly configured po rts on the switch.
Alacritech Server and Storage A ccelerator User’s Guide 6-3 network cab les, the co nnection will not be term inated, it will sim ply be re-estab lished on a different po rt.
6-4 Alacritech Server and Storag e Accelerator User’s Guide Note: Alacrit ech’s T eaming implementation does not support the optional Port A ggregation Protocol (PAgP) feature of some FEC s w itches, nor the 802.
Alacritech Server and Storage A ccelerator User’s Guide 6-5 Note: To use TCP offload w ith Send-on ly Load Balancing, all adapters on the team must be on the same physical card. Other w ise, T CP offl oad will be disabled because inbound and outbound traffi c use different interfaces.
6-6 Alacritech Server and Storag e Accelerator User’s Guide connectivi ty, as long as you hav e only one physical connection to th e host. 3. Set up the te am on the ho sts accord ing to the in structio ns below, as approp riate fo r Windows NT 4.0 o r Windows 2000.
Alacritech Server and Storage A ccelerator User’s Guide 6-7 interface s are in th e team , each team w ill only use a single I P address. 6. Click OK to exit TCP/IP Properties.
6-8 Alacritech Server and Storag e Accelerator User’s Guide Note: A team can have up to four member interfaces, and these interfaces may be on up to four cards. Note: To use TCP offload w ith Send-on ly Load Balancing, all adapters on the team must be on the same physical card.
Alacritech Server and Storage A ccelerator User’s Guide 6-9 • Ensure th at all ports in a ch annel have th e same configurat ion on both end s of the ch annel. • Alacritech ’s Fast E therChannel im plem entation does n ot support PAgP . Switch ports shoul d be config ured in th e on mode.
6-10 Alacritech Server and Storag e Accelerator User’s Guide 6.4 Windows 2000 T eaming Configuration 6.4.1 Configur in g Load Balancing If t he Alacritech Acc elerator Tea m Configurator Properties window is not alre ady open, open it as fol lows: Open the Netwo rk Properti es window.
Alacritech Server and Storag e Accelerator User’s Guide 6-11 Once the t eam is cr eated, you m ust specify the ty pe of team ing or failov er the team will u se. The d efault is Cisco Fast/G igabit EtherChannel or 802.3AD . Select a ty pe of team and click the OK button.
6-12 Alacritech Server and Storag e Accelerator User’s Guide If y ou select Cisco Fast/Gigabit E therChannel or 802.3AD , you must hav e a switch th at supports one of these pro tocols. I f you do, click the Ye s button. Othe rwise, click the No button and select ano ther m ethod.
Alacritech Server and Storag e Accelerator User’s Guide 6-13 When insta llation com plete s, you will be asked to restart y our system . If you wish to as sign an I P address to the new teamed interface bef ore rebooting , select No . Otherwise, Clic k the Yes button to re boot and act ivate Alacri tech SLI C TCP/IP Offload.
6-14 Alacritech Server and Storag e Accelerator User’s Guide 6.4.2 EtherChannel Configur at ion Guidelines and Restrictions • If you disab le a port i n a team , it is tr eated as a link fai lure and its tra ffic is tr ansferred to one or m ore of the r emaining ports in th e team .
Alacritech Server and Storag e Accelerator User’s Guide 6-15 3. Check the Alacr itech SLIC Team Config urator box, se lect the entry , and click th e Prop erties button.
6-16 Alacritech Server and Storag e Accelerator User’s Guide 4. Select the entry or en tries y ou wish to rem ove from the team, and c lick th e Drop Member but ton. Conversely , you may selec t the entr ies you w ish to add to the team and click the Add Member bu tton.
Alacritech Server and Storag e Accelerator User’s Guide 6-17 5. If you w ish to remov e a team , select the ent ry for the team, and click the Dissolve Tea m button. Rem oving the next to the last m em ber of the team with the Drop Membe r button has the sam e effect.
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Alacritech Server and Storage A ccelerator User’s Guide 7-1 7 Alacritech A ccelerator Inst a llation in Windows Po w ered NA S Appliance 7.1 Insta llation Ove rvie w This c hapter add ress issue s spec ific to the i nstalla tion o f a 100 or 1000 Series Se rver and S torage A ccelerator in a Windows- powered NAS Appliance.
7-2 Alacritech Server and Storag e Accelerator User’s Guide 7.2 A dapter and Dri v er Installation This sec tion covers the procedur es for ins talling 100 a nd 1000 Series Accel erators. Fo llow the appropri ate procedu re for y our type of instal lation.
Alacritech Server and Storage A ccelerator User’s Guide 7-3 mouse to enab le the ins talla tion of the A lacritec h driver s on the NAS appliance. 1. If this sy stem has be en previous ly config ured, mak e backups prior to comm encing these a ctivities.
7-4 Alacritech Server and Storag e Accelerator User’s Guide 10. Power up sy stem and follo w standard procedures to configure t he interf ace..
Alacritech Server and Storage A ccelerator User’s Guide 7-5 7.3 Performan ce Monitoring The perfo rmance of an Alacritec h accelerato r can be m onitored using the W indows 2000 perfo rmance m onitoring too l, perfm on.
7-6 Alacritech Server and Storag e Accelerator User’s Guide 7.4 A dapter Teaming Alacritech accelera tor ports can be team ed togethe r to provide fault tolerance a nd ease of adm inistra tion when m ultiple port s or adapter s are insta lled in NA S applia nces.
Alacritech Server and Storage A ccelerator User’s Guide 8-1 8 T roubleshooti ng and Support 8.1 A lacri tech A utomated Cust omer Support You can reach Alacritech’s autom ated support serv ice 24 hours a day, ev ery day. The service cont ains the m ost up- to-date inform ation about Ala critec h products.
8-2 Alacritech Server and Storag e Accelerator User’s Guide ■ Miscellan eous I ssues About SLI C Technology 8.4 Insta llation Prob lems This sec tion covers errors a nd problems sur rounding in stallat ion only. For o ther problem s, pleas e see the o ther sections in this chapter.
Alacritech Server and Storage A ccelerator User’s Guide 8-3 8.5 Event Log Errors This s ection cov ers entri es written to the Event Log. Y ou can view the Event L og from the Event Viewer located in the Adm inistrativ e Tools fold er on the Star t Menu, loca ted under Prog rams.
8-4 Alacritech Server and Storag e Accelerator User’s Guide Note: If a peripheral card with a PCI bridge chip was installed on your sy stem, the bus numbering may have been changed and the system will not be able to locate y our 100 or 1000 Series Serv er and Storage Accelerator.
Alacritech Server and Storage A ccelerator User’s Guide 8-5 Problem Solut ion correspond to the por t mark ed "A" on the card. (SLI C1 correspon ds to port A, SLIC2 to port B, e tc.) Check the LED indicators on the adapter. Each p ort has LEDs fo r link/link speed and ac tivity.
8-6 Alacritech Server and Storag e Accelerator User’s Guide Problem Solut ion routing loop by following the instruct ions specified in "Disabling SLIC TCP/IP Offload on Select I nterfaces " in Chapte r 3 for Win dows NT or chap ter 5 for Windows 2000.
Alacritech Server and Storage A ccelerator User’s Guide 8-7 8.6.1 Alacritech 1000x1 Server and Storage Accelerator LED Function Indicators LED Indication Meaning Off The 1000 Ser ies Accelerato r is not sending or re ceiving network data. ACT Flashing or On The 1000 Ser ies Accelerato r is sending or re ceiving network data.
8-8 Alacritech Server and Storag e Accelerator User’s Guide 8.6.2 Alacritech 1000x1F Server and Storage Accelerator LED Function Indicators LED Indication Meaning Off The 1000 Ser ies Accelerato r is not sending or re ceiving network data. ACT Flashing or On The 1000 Ser ies Accelerato r is sending or re ceiving network data.
Alacritech Server and Storage A ccelerator User’s Guide 8-9 8.6.3 Alacritech 100x2 and 100x4 Server and Stora ge Accelerator LED Function Indicators LED Indication Meaning Off Eith er the 100 Se ries Ac celera tor or the switch (or bo th) is no t receiv ing power, o r the cable connection be tween them is faulty .
8-10 Alacritech Server and Storag e Accelerator User’s Guide 8.6.4 Alacritech 100x1 Server and Storage Accelerator LED Function Indicators LED Indication Meaning Off Eith er the 100 Se ries Ac celera tor or the switch (or bo th) is no t receiv ing power, o r the cable connection be tween them is faulty .
Alacritech Server and Storag e Accelerator User’s Guide 8-11 If you suspect perform ance degradation, fo llow the steps in Chapter 3 – “Using the Pe rform ance Monito r Application” for Window s NT or Chapte r 5 for Wind ows 2000 to che ck your serv er’s perf ormance.
8-12 Alacritech Server and Storag e Accelerator User’s Guide for Win dows NT or Chap ter 5 for Windows 2000 to verify the perform ance of your se rver. Alacrit ech Acceler ator does not a ccelerat e NFS tra ffic with Windows powe red NAS. By default, M icrosoft S ervices f or Unix run NFS over UDP.
Alacritech Server and Storag e Accelerator User’s Guide 8-13 externa l monitoring sniff er, or Disable SLI C TCP/IP Offlo ad on the inter face that y ou inten d to monitor by following the instruct ions specified in "Disabling SLIC TCP/IP Offload on Select I nterfaces " in Chapte r 3 for Win dows NT or Chap ter 5 for Windows 2000.
8-14 Alacritech Server and Storag e Accelerator User’s Guide Problem Solut ion With Windows 2000, IPSEC does not work through a 1 00 or 1000 Series A ccelera tor.
Alacritech Server and Storag e Accelerator User’s Guide 8-15 Select I nterface s" in Chapt er 3 for Windows NT or Ch apter 5 for Windows 2000. Port agg regation or failover s oftware does not work th rough a 100 or 1000 Seri es Accelera tor.
8-16 Alacritech Server and Storag e Accelerator User’s Guide "Disabling SLIC TCP/IP Offload o n Select I nterface s" in Chapt er 5 for Windows 2000. Point- to-Point Tunneling Protocol (PPTP) does no t work through a 1 00 or 1000 Series A ccelera tor.
Alacritech Server and Storage Accelerator Us er’s Guide A-1 Appendix A Network Soft w are License Agreement and Warranty PLEASE REVIEW THE LICENS E AGREEMENT BELOW. BY OPENING THIS SOFT WARE OR PACKAGE OR OTHERWISE DOWNLOADING OR COP YING THIS SOFTWARE, YOU ARE AGREEING TO BE B OUND BY T HE TERMS OF T HIS AGREEMENT.
A-2 A lacritech Server and Storage Accelerator User’s Guide copies of th e Software and accom panying documentation. Transf er of the Software terminates your right to use the Software. OWNERSHIP AND COP YRIGHT OF SOFT WARE: Title to the Software and all copies thereof remain with Alacritech or its suppliers.
Alacritech Server and Storage Accelerator Us er’s Guide A-3 TO, PROCUREMENT OF S UBSTITUTE GOODS OR SERVICES ; LOSS OF USE, DATA, OR PROFIT S; OR BUSINESS INTERRUPT ION) HOWEVER CAUSED AND ON ANY TH.
A-4 A lacritech Server and Storage Accelerator User’s Guide AUDIT: Alacritech rese rves the right to have audits conducted to verify your compliance with this Agree m ent. TERMINATION OF T HIS LICENSE: Alacritech may terminate this license at any time if you are in breach of any of its terms and conditions.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté Alacritech 2000-100001 c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du Alacritech 2000-100001 - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Alacritech 2000-100001, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Alacritech 2000-100001 va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Alacritech 2000-100001, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du Alacritech 2000-100001.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le Alacritech 2000-100001. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Alacritech 2000-100001 ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
