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src/docs/user/cluster/cluster_ssh.diviner

	@title Cluster: SSH Servers			@title Cluster: SSH Servers
	@group cluster			@group cluster

	Configuring Phabricator to use multiple SSH servers.			Configuring Phorge to use multiple SSH servers.

	Overview			Overview
	========			========

	You can run Phabricator on multiple SSH servers. The advantages of doing this			You can run Phorge on multiple SSH servers. The advantages of doing this
	are:			are:

	- you can completely survive the loss of multiple SSH hosts.			- you can completely survive the loss of multiple SSH hosts.

	This configuration is simple, but you must configure repositories first. For			This configuration is simple, but you must configure repositories first. For
	details, see @{article:Cluster: Repositories}.			details, see @{article:Cluster: Repositories}.

	SSH servers accept SSH requests from commands like `git clone` and relay them			SSH servers accept SSH requests from commands like `git clone` and relay them
	to hosts that can serve the requests.			to hosts that can serve the requests.


	Adding SSH Hosts			Adding SSH Hosts
	================			================

	After configuring repositories in cluster mode, you can add more web hosts			After configuring repositories in cluster mode, you can add more web hosts
	at any time.			at any time.

	First, deploy the Phabricator software and configuration to a host, then			First, deploy the Phorge software and configuration to a host, then
	register the host as a cluster device if it is not already registered (for			register the host as a cluster device if it is not already registered (for
	help, see @{article:Cluster: Devices}.)			help, see @{article:Cluster: Devices}.)

	Once the host is registered, start the SSH server, and then add the host to the			Once the host is registered, start the SSH server, and then add the host to the
	SSH load balancer pool.			SSH load balancer pool.

	Phabricator SSH servers are stateless, so you can pull them in and out of			Phorge SSH servers are stateless, so you can pull them in and out of
	production freely.			production freely.

	You may also want to run web services on these hosts, since the service is very			You may also want to run web services on these hosts, since the service is very
	similar to SSH, also stateless, and it may be simpler to load balance the			similar to SSH, also stateless, and it may be simpler to load balance the
	services together. For details, see @{article:Cluster: Web Servers}.			services together. For details, see @{article:Cluster: Web Servers}.


	Next Steps			Next Steps
	==========			==========

	Continue by:			Continue by:

	- returning to @{article:Clustering Introduction}.			- returning to @{article:Clustering Introduction}.