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add HA (High Availability)

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Submitted by admin on Tue, 11/17/2009 - 13:07
LIC topology: routing around problems
primary route Quelle horreur!
Internet
ifw01
ifw02
ces01
ces02
ics01
ics02
Internet
ifw01
ifw02
ces01
ces02
ics01
ics02
  1. introduction

introduction

The firewall hosts ifw01 and ifw02 will each contain an IPVS (IP Virtual Server). They also contain synchronising daemons which monitor customer connections, so if one host dies the other can take over without customers noticing. This provides load balancing and HA (High Availability).

  • bond eth1 and eth2 on xcl01
  • bond eth2 and eth3 on ifw01
  • view bonding information on ifw01
  • test bonding on ifw01
  • add a virtual interface to the bonded interface on ifw01
  • bond eth1 and eth2 on ics01
  • test bonding on ics01
  • add a virtual interface to the bonded interface on ics01
  • create an IPVS load balancer on ifw01
  • the solitary heartbeat of ifw01
  • add the ldirectord application to ifw01
  • change runlevels for ldirectord
  • configure runlevels for heartbeat and ldirectord
  • stop apache2 logging ldirectord requests
‹ check the LIC before adding HA up bond eth1 and eth2 on xcl01 ›
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  • an Internet cluster
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    • add hardware and network
    • add the OS (Operating System)
    • check the LIC before adding HA
    • add HA (High Availability)
      • bond eth1 and eth2 on xcl01
      • bond eth2 and eth3 on ifw01
      • view bonding information on ifw01
      • test bonding on ifw01
      • add a virtual interface to the bonded interface on ifw01
      • bond eth1 and eth2 on ics01
      • test bonding on ics01
      • add a virtual interface to the bonded interface on ics01
      • create an IPVS load balancer on ifw01
      • the solitary heartbeat of ifw01
      • add the ldirectord application to ifw01
      • change runlevels for ldirectord
      • configure runlevels for heartbeat and ldirectord
      • stop apache2 logging ldirectord requests
    • add applications
    • prepare the firewall ifw02
    • prepare the other computers
  • test the LIC
  • add customer services
  • car-size cluster reference
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