130 APPENDIX B: REPLACING A F AILED DISK ON A VCX S ERVERReplacing a Disk ina Two-ServerConfigurationUse this procedure to replace a disk in a two-server configuration.A service person arrives with a laptop that is used to connect to the serialport on the down server. The laptop functions as the console terminalbecause VCX servers have no keyboard or monitor.The service person isolates the down server from the network to avoidthe possibility of telephones trying to access it before it is ready.The service person replaces the disk drive and reboots the system.1 The following prompt appears:Configure Networking now?2 Enter yes and then answer the questions to configure the network andother parameters for the down server. For detailed instructions, see“Sample Network and Initial Configuration Script (Primary Server)” or“Sample Network and Initial Configuration Script (Secondary Server)” inChapter 2.3 Answer the questions that are posed by the UMS installation scripts toconfigure the various components. For detailed instructions, see “SampleUMS Installation Script (Primary Server)” or “Sample UMS InstallationScript (Secondary Server)” in Chapter 2.4 Install on the down server the same software version as is running on therunning server.5 At the end of the installation process, use this command to switch to thenew software version. For 5_0_X_Y, substitute the appropriate softwareversion number.vcx-switchversion 5_0_X_YThe service person and the customer determine the best time to take therunning server offline in order to synchronize the two servers. Thecustomer should plan for a VCX system outage of at least 30 minutes.During the outage, all gateways are offline and callers hear a busy tone.At a planned time, the running server is taken offline (all processesassociated with processing phone calls are shut down).1 On the down server, log in as root.2 Enter these commands:cd /etc/rc.d/rc6.d./K01vcx stop
