Added the infra SOPs ported to asciidoc.

modules/sysadmin_guide/pages/collectd.adoc

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+= Collectd SOP
+
+Collectd ( https://collectd.org/ ) is a client/server setup that gathers
+system information from clients and allows the server to display that
+information over various time periods.
+
+Our server instance runs on log01.phx2.fedoraproject.org and most other
+servers run clients that connect to the server and provide it with data.
+
+'''''
+
+[arabic]
+. Contact Information
+. Collectd info
+
+== Contact Information
+
+Owner::
+  Fedora Infrastructure Team
+Contact::
+  #fedora-admin
+Location::
+  https://admin.fedoraproject.org/collectd/
+Servers::
+  log01 and all/most other servers as clients
+Purpose::
+  provide load and system information on servers.
+
+== Configuration
+
+The collectd roles configure collectd on the various machines:
+
+collectd/base - This is the base client role for most servers.
+collectd/server - This is the server for use on log01. collectd/other -
+There's various other subroles for different types of clients.
+
+== Web interface
+
+The server web interface is available at:
+
+https://admin.fedoraproject.org/collectd/
+
+== Restarting
+
+collectd runs as a normal systemd or sysvinit service, so you can:
+systemctl restart collectd or service collectd restart to restart it.
+
+== Removing old hosts
+
+Collectd keeps information around until it's deleted, so you may need to
+sometime go remove data from a host or hosts thats no longer used. To do
+this:
+
+[arabic]
+. Login to log01
+. cd /var/lib/collectd/rrd
+. sudo rm -rf oldhostname
+
+== Bug reporting
+
+Collectd is in Fedora/EPEL and we use their packages, so report bugs to
+bugzilla.redhat.com.