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Go to start of metadata - The repository shall have procedures, commitment and funding to replace hardware when evaluation indicates the need to do so.

  • Replacement on a five year cycle or the expiration of a vendor service contract
  • Components are routinely swapped out
  • Service architecture built in a high availability mode using two techniques 1) Veritas Cluster Server (VCS) 2) Non-VCS with worker instances of things running on separate services monitored by the Apache load balancer
  • Typically have 3 to 5 instances running on a server farm but are migrating to virtual machines and using Monit by the end of the year but will continue to run the Apache front-end to send worker processes.
  • Triggers for hardware replacement:
    • Perform annual capacity planning and also through vendor support/service agreements
    • The System Admin checks the logs daily
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