ESXi 5.0 backup and restoration

SO, today we will have additional post about backups.

Main goal: backup ESXi infrastructure of servers.

What we need:

  1. ESXi
  2. Left and Right hands.
  3. Google, this article.

Steps:

  1. Open SSH on your ESXi to access to it
  2. Open putty
  3. Login to server with it, using SSH
  4. We need to do backup of server
    1. vim-cmd hostsvc/firmware/backup_config
    2. it will same your backup to http://*/downloads/configBundle-localhost.doamin.tgz with simple it’s located in /scratch/downloads
    3. Now we need to move file to /tmp with renaming it to configBundle.tgz
      1. mv /scratch/downloads/configBundle-localhost.doamin.tgz /tmp/configBundle.tgz

How to restore:

First of all you need to remember (if your server failed and you rebuild totally new infrastructure ) you must have same version of EXSi installed to rebuild. If you have situation that someone delete server from Inventory, just pause all servers and run maintenance mode:

  1.  Switch to maintenance mode vim-cmd hostsvc/maintenance_mode_enter
  2. Restore vim-cmd hostsvc/firmware/restore_config /tmp/configBundle.tgz

After that server will go to reboot, don’t panic, everything is fine. Depends on number of hosts it will take some time.

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About nicoljako

CTO of Exelegent, sysadmin, architect of IT infrastructures​
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