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3Com V7300 manuel d'utilisation

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Table des matières du manuel d’utilisation

  • Page 1

    http://www.3com.com/ Part Number 900-0153-01 AA Published August 2004 3Com ® V7300 V oice Applications Suite Unified Messaging Suite Intelligent Mirr oring Guide VCX ™ V7000 IP Telephony Solution System Release 5.0[...]

  • Page 2

    3Com Corporati on 350 Campus Drive Marlbor ough, MA 01752-3064 Copyright © 2004, 3Com Corporation. All right s reserved. No part of this documentation may b e reproduced in any form or by any means or used to make any derivative work (such as translation, transformation , or adaptation) without written permission fro m 3Com Corporation. 3Com Corpo[...]

  • Page 3

    3 C ONTENTS A BOUT T HIS G UIDE Assumptions 5 Conventions 5 Notices 5 T ext 6 Related Docum entation 6 Y our Comments 7 I NITIAL C ONFIGURATION Overview 9 Hardwar e Prerequisites 9 IP Configuration 10 Single Network Configuration 10 Dual Network Configuration 11 Domain Name System (DNS ) Configuration 13 Sample DNS Names and Files 14 Enabling Secur[...]

  • Page 4

    4 Balanced Intelligent Mirroring Policy 22 Switching Between Active and Standby States 22 O PERATION V erifying Intelligent Mirroring Operation 25 Manual Switchover 26 V erifying Ser ver Synchron ization 26 Database 26 File System 27 I NDEX[...]

  • Page 5

    A BOUT T HIS G UIDE This chapter contains an overview of this guide, lists guide conventions, related documentation, and product compatibility . Assumptions This guide is inten ded for system administrators an d assumes you have basic skills such as: ■ Basic UNIX command line usage ■ Knowledge of Solaris operating system utilities If the inform[...]

  • Page 6

    6 A BOUT T HIS G UIDE Te x t Ta b l e 2 lists text conventions that are used in this guide. Related Documentation The following lists 3Com documents that contain additional information about the products in this re lease. ■ V7000 System Applications Guide ■ VCX V7210 and V7220 Installation and Initial Configur ation Guide ■ VCX V7210 Admini s[...]

  • Page 7

    Your Comments 7 Y our Comments Y our suggestions are important to us because we want to make our documentation more useful to you. Please send e-mail comments about this guide or any of the 3Com V oice Pr oducts documentation and Help systems to: VOICE_Techpubs_comments@3com.com Please include the following information with your comments: ■ Docum[...]

  • Page 8

    8 A BOUT T HIS G UIDE[...]

  • Page 9

    1 I NITIAL C ONFIGURATION This chapter provides an overview of how to configure Intelligent Mirroring on a Primary and Seco ndary server for the V7300 V oice Applications Suite. Intelligent Mirroring is the mirr or ing of application data on two independently running servers. Th e mirrored applicatio n data is composed of table data and message com[...]

  • Page 10

    10 C HAPTER 1: I NITIAL C ONFI GURATION IP Configuration 3Com recommends that you define the IP configuration usin g the /etc/hosts files on the two systems. The /etc/hosts file on each server must contain identical information about the Intelligent Mirroring configuration. Other information in the file may vary . The examples in this document cont[...]

  • Page 11

    IP Configuration 11 CAUTION: IP addresses 192.168.126.3 and 192.168.126.4 are the dynamic alias IP addresses. Do not associa te them with any network interface. Sample /etc/hosts File Entries for a Single Network Configuration This section describes entries that you would add to the /etc/ho sts file if your configuration was identical to the config[...]

  • Page 12

    12 C HAPTER 1: I NITIAL C ONFI GURATION Figure 1 Dual Network Configuration System 1 (Primary Server) ■ System Name — voipbox1 ■ IP Address (subnetwork 126) — 192.168.126.1 (associated with the primary network interface on the Primary Server) ■ IP Address (subnetwork 127) — 192.168.127.1 (associated with the secondary network interface [...]

  • Page 13

    Domain Name System (DNS) Conf iguration 13 Sample /etc/hosts File Entries for a Dual Network Configuration This section describes entries that you would add to the /etc/ho sts file if your configuration was identical to the config uration examples listed earlier in this section. # # Internet host table # 192.168.126.1 voipbox1 voipbox1a voi pbox1c [...]

  • Page 14

    14 C HAPTER 1: I NITIAL C ONFI GURATION 3 Restart the named ser vice on the DNS server to update the ser ver settings with the new configuration information. For any PC on which you intend to run an e-mail client program, configure the PC so that it uses, as its primary DNS server , the DNS server that you have just configured. Sample DNS Names and[...]

  • Page 15

    Domain Name System (DNS) Conf iguration 15 Sample file "vcx.wan.3com.com" $TTL 86400 @ IN SOA vcx.wan.3com.com. roo t.vcx.wan.3com.com. ( 200210210; serial, todays date + tod ays serial # 8H; refresh, seconds 2H; retry, seconds 1W; expire, seconds 1D ); minimum, seconds NS galaxy High light this MX record entry MX10 umsemail TXT "Voi[...]

  • Page 16

    16 C HAPTER 1: I NITIAL C ONFI GURATION Enabling Secure Copy (SCP) and Secure Shell (SSH) Commands UMS uses shell scripts to synchr oniz e the two servers. These scripts use the SCP and SSH commands. Fo r thes e commands to work properly in this environment, you must configure each UMS server so that the commands do not prompt for a passwor d. Perf[...]

  • Page 17

    Network Time Protocol (NTP) Configuration 17 oscillator to stratum 8 in order to allow the two systems to use a lower stratum server (7 or lower) if one is available. By default, the system uses this drift file: /etc/ntp/drift . 3 On the voipbox2 system, create the /etc/ntp.conf file. 4 Edit the file and add the se lines: server 127.127.1.1 peer vo[...]

  • Page 18

    18 C HAPTER 1: I NITIAL C ONFI GURATION[...]

  • Page 19

    2 I NSTALLATION This chapter describes how to insta ll Intelligent Mirr oring on the Primary Server and the Se condary Server . Overview Follow these instructions, in the or d er that they are given , when you install and configure the servers. 1 Completely install the Pr imary Server before you begin to install the Secondary Server . See the instr[...]

  • Page 20

    20 C HAPTER 2: I NSTALLATION Sample Installation Script (for voipbox1) When you first start a VCX V7000 server , a firstboot script is run. Th e script asks you questions and conf igures the software based on your answers. This section shows the po rtion of the firstboot script that deals with configuring Intelligent Mirr or ing between two VCX UMS[...]

  • Page 21

    Intelligent Mirroring Active/Standby Policy 21 The example answers in this script assume that you are using voipbox2, that voipbox2 will be the secondar y se rver , and that voipbox1 will be the primary ser ver . Intelligent Mirroring configurations Should Intelligent Mirroring be enab led (Y/N)? [N]: Y Name of the Remote Intelligent Mirro red Syst[...]

  • Page 22

    22 C HAPTER 2: I NSTALLATION For new installations, the policy is set to Primary by default. T o configure the primary policy: 1 Edit this f ile on the P rimary Server : /usr/app/app.dir/config.app 2 Find the line tha t begins with: IM_policy= 3 Modify the line, if necessary , so that it reads: IM_policy=primary 4 Restart Call Builder on the Primar[...]

  • Page 23

    Intelligent Mirroring Active/Standby Policy 23 When the Primary Server is in t he standby state, it periodically checks th e value of IM_policy and, depending on the value, the Primary Server may switch from the standby state to the active state. ■ If IM_policy is set to primary , a 5- minute timer is activated. When the timer value expires, the [...]

  • Page 24

    24 C HAPTER 2: I NSTALLATION[...]

  • Page 25

    3 O PERATION This chapter describes how to verify the proper operation of Intelligent Mirr oring and sync hronizati on between the servers. It also describes how to manually switch server states a nd how to resynchronize the databases and file systems on the two serv ers if that becomes necessary . V erifying Intelligent Mirroring Operation T o ver[...]

  • Page 26

    26 C HAPTER 3: O PERATION Manual Switchover Y ou can manually switch either server to the active or standby state, provided that you have r oot privileges. 1 In a command window , enter this command: xattach app 2 In the screen that appears, click one of these two items to command the system to switch state: ■ Scripts/Spawn vssu_active ■ Script[...]

  • Page 27

    Verifying Server Synchronization 27 If the databases are not synchr onized, you see a list of the recor ds that are dif ferent. The synchronization of the Primar y a nd Secondar y ser vers is a real-time activity . The tblcmp utility gives accura te results only on an idle system (one that is not pr ocessing telephone calls). T o re-synchronize the[...]

  • Page 28

    28 C HAPTER 3: O PERATION This command creates a shell script (/usr/app/app.dir/dif fmsg.rcp) that you can run from the command line to copy the missing files from the other server . 3 If the value of files to remove is not 0 (zer o), then run this command on the local server: diffmsg and run this command on the other s erver: diff2rcp T o run the [...]

  • Page 29

    I NDEX B balanced mirroring, policy 22 C comments on documentation 7 configuration dual network 11 ha rdw a re 9 IP addresses 10 overview 9 single network 10 conventions text 5 D database synchronization 27 documentation rel at e d 6 documentation comments 7 E enabling scp command 16 ssh command 16 F file system, synchronization 27 H ha rdw a re 9 [...]

  • Page 30

    30 I NDEX synchronizing databases 27 file systems 27 servers 26 time 16 with scp and ssh co mmands 16 T time synchronization 16 U users, intended 5 V verifying database synch ronization 27 file system synchronization 27 proper mirr oring operation 25 server synchronization 26[...]