anchor.diff:  xref:../install_config/install/disconnected_install.adoc#install-config-install-disconnected-install[Disconnected
   Installation] method)
   
  +. Backup the procedures for post-installation steps. Some installations may
  +involve steps that are not included in the installer. This may include changes
  +to the services outside of the control of {product-title} or the installation of
  +extra services like monitoring agents.
  +Additional configuration that is not supported yet by the advanced installer
  +might also be affected, for example when using multiple authentication providers.
  +
   . Install packages that provide various utility commands:
   +
   ----
   # yum install etcd
  +----
  +. If using a containerized installation, pull the etcd image instead:
  ++
  +----
  +# docker pull rhel7/etcd
   ----
   
   Note the location of the *etcd* data directory (or `$ETCD_DATA_DIR` in the
  
positive.code: 
  This topic does not cover how to back up and restore
  xref:../install_config/persistent_storage/index.adoc#install-config-persistent-storage-index[persistent
  storage], as those topics are left to the underlying storage provider.
  
  
  [[backup-restore-prerequisites]]
  == Prerequisites
  
negative.code: xref:../install_config/index.adoc#install-config-index[same way]
  that {product-title} was previously installed.
  
  . Run all necessary post-installation steps.
  +
  . Restore the certificates and keys, on each master:
  +
  ----
  