2x5 Scalable Cluster Tutorial - Revision history

Digimer at 21:43, 20 June 2016

2016-06-20T21:43:01Z

← Older revision		Revision as of 21:43, 20 June 2016
Line 1:		Line 1:
	{{howto_header}}		{{howto_header}}

	{{warning\|1=This ~~tutorial~~ is ~~not even close to complete or accurate. It will be updated later, but so long as this warning is here~~, ~~consider it defective~~ and ~~unusable~~. ~~The~~ only ~~up to date clustering tutorial is: [[2-Node Red Hat KVM Cluster Tutorial]]~~.}}
			{{warning\|1=This document is old, abandoned and very out of date. DON'T USE ANYTHING HERE! Consider it only as historical note taking.}}

	= The Design =		= The Design =

Digimer at 03:57, 5 May 2013

2013-05-05T03:57:52Z

Show changes

Digimer: /* The Design */

2012-01-20T21:32:23Z

The Design

← Older revision		Revision as of 21:32, 20 January 2012
Line 4:		Line 4:

	= The Design =		= The Design =

			== Storage ==

	Storage, high-level:		Storage, high-level:
Line 83:		Line 85:
	\|______________________________\|		\|______________________________\|
	</source>		</source>

			== Long View ==

	{{note\|1=Yes, this is a big graphic, but this is also a big project. I am no artist though, and any help making this clearer is greatly appreciated!}}		{{note\|1=Yes, this is a big graphic, but this is also a big project. I am no artist though, and any help making this clearer is greatly appreciated!}}

	[[Image:2x5_the-plan_01.png\|center\|thumb\|800px\|The planned network. This shows separate IPMI and full redundancy through-out the cluster. This is the way a production cluster should be built, but is not expected for dev/test clusters.]]		[[Image:2x5_the-plan_01.png\|center\|thumb\|800px\|The planned network. This shows separate IPMI and full redundancy through-out the cluster. This is the way a production cluster should be built, but is not expected for dev/test clusters.]]

			== Failure Mapping ==

	VM Cluster; Guest VM failure migration planning;		VM Cluster; Guest VM failure migration planning;

Digimer: /* Initial Config */

2012-01-20T20:35:39Z

Initial Config

← Older revision		Revision as of 20:35, 20 January 2012
Line 271:		Line 271:
	</method>		</method>
	<method name="pdu">		<method name="pdu">
			<device action="reboot" name="pdu1" port="1" />
	<device action="reboot" name="pdu2" port="1" />		<device action="reboot" name="pdu2" port="1" />
	</method>		</method>
Line 281:		Line 282:
	</method>		</method>
	<method name="pdu">		<method name="pdu">
			<device action="reboot" name="pdu1" port="2" />
	<device action="reboot" name="pdu2" port="2" />		<device action="reboot" name="pdu2" port="2" />
	</method>		</method>
Line 287:		Line 289:
	<clusternode name="an-node03.alteeve.com" nodeid="3">		<clusternode name="an-node03.alteeve.com" nodeid="3">
	<fence>		<fence>
			<method name="ipmi">
			<device action="reboot" name="ipmi_an03" />
			</method>
	<method name="pdu">		<method name="pdu">
			<device action="reboot" name="pdu1" port="3" />
	<device action="reboot" name="pdu2" port="3" />		<device action="reboot" name="pdu2" port="3" />
	</method>		</method>
Line 294:		Line 300:
	<clusternode name="an-node04.alteeve.com" nodeid="4">		<clusternode name="an-node04.alteeve.com" nodeid="4">
	<fence>		<fence>
			<method name="ipmi">
			<device action="reboot" name="ipmi_an04" />
			</method>
	<method name="pdu">		<method name="pdu">
			<device action="reboot" name="pdu1" port="4" />
	<device action="reboot" name="pdu2" port="4" />		<device action="reboot" name="pdu2" port="4" />
	</method>		</method>
Line 301:		Line 311:
	<clusternode name="an-node05.alteeve.com" nodeid="5">		<clusternode name="an-node05.alteeve.com" nodeid="5">
	<fence>		<fence>
			<method name="ipmi">
			<device action="reboot" name="ipmi_an05" />
			</method>
	<method name="pdu">		<method name="pdu">
			<device action="reboot" name="pdu1" port="5" />
	<device action="reboot" name="pdu2" port="5" />		<device action="reboot" name="pdu2" port="5" />
	</method>		</method>
Line 308:		Line 322:
	<clusternode name="an-node06.alteeve.com" nodeid="6">		<clusternode name="an-node06.alteeve.com" nodeid="6">
	<fence>		<fence>
			<method name="ipmi">
			<device action="reboot" name="ipmi_an06" />
			</method>
	<method name="pdu">		<method name="pdu">
			<device action="reboot" name="pdu1" port="6" />
	<device action="reboot" name="pdu2" port="6" />		<device action="reboot" name="pdu2" port="6" />
	</method>		</method>
Line 315:		Line 333:
	<clusternode name="an-node07.alteeve.com" nodeid="7">		<clusternode name="an-node07.alteeve.com" nodeid="7">
	<fence>		<fence>
			<method name="ipmi">
			<device action="reboot" name="ipmi_an07" />
			</method>
	<method name="pdu">		<method name="pdu">
			<device action="reboot" name="pdu1" port="7" />
	<device action="reboot" name="pdu2" port="7" />		<device action="reboot" name="pdu2" port="7" />
	</method>		</method>
Line 324:		Line 346:
	<fencedevice agent="fence_ipmilan" ipaddr="an-node01.ipmi" login="root" name="ipmi_an01" passwd="secret" />		<fencedevice agent="fence_ipmilan" ipaddr="an-node01.ipmi" login="root" name="ipmi_an01" passwd="secret" />
	<fencedevice agent="fence_ipmilan" ipaddr="an-node02.ipmi" login="root" name="ipmi_an02" passwd="secret" />		<fencedevice agent="fence_ipmilan" ipaddr="an-node02.ipmi" login="root" name="ipmi_an02" passwd="secret" />
			<fencedevice agent="fence_ipmilan" ipaddr="an-node03.ipmi" login="root" name="ipmi_an03" passwd="secret" />
			<fencedevice agent="fence_ipmilan" ipaddr="an-node04.ipmi" login="root" name="ipmi_an04" passwd="secret" />
			<fencedevice agent="fence_ipmilan" ipaddr="an-node05.ipmi" login="root" name="ipmi_an05" passwd="secret" />
			<fencedevice agent="fence_ipmilan" ipaddr="an-node06.ipmi" login="root" name="ipmi_an06" passwd="secret" />
			<fencedevice agent="fence_ipmilan" ipaddr="an-node07.ipmi" login="root" name="ipmi_an07" passwd="secret" />
			<fencedevice agent="fence_apc_snmp" ipaddr="pdu1.alteeve.com" name="pdu1" />
	<fencedevice agent="fence_apc_snmp" ipaddr="pdu2.alteeve.com" name="pdu2" />		<fencedevice agent="fence_apc_snmp" ipaddr="pdu2.alteeve.com" name="pdu2" />
	</fencedevices>		</fencedevices>

Digimer: /* Initial Config */

2012-01-20T20:33:39Z

Initial Config

Show changes

Digimer: /* Initial Config */

2012-01-20T20:30:52Z

Initial Config

← Older revision		Revision as of 20:30, 20 January 2012
Line 262:		Line 262:
	<source lang="xml">		<source lang="xml">
	<?xml version="1.0"?>		<?xml version="1.0"?>
	<cluster config_version="20" name="an-~~clusterA~~">		<cluster config_version="1" name="an-cluster-A">
	<cman expected_votes="1" two_node="1~~"/>~~		<cman expected_votes="1" two_node="1" />
	~~<totem rrp_mode="none" secauth="off~~"/>
	<clusternodes>		<clusternodes>
	<clusternode name="an-node01.alteeve.com" nodeid="1">		<clusternode name="an-node01.alteeve.com" nodeid="1">
	<fence>		<fence>
	<method name="~~apc_pdu~~">		<method name="ipmi">
	<device action="reboot" name="pdu2" port="1"/>		<device action="reboot" name="ipmi_an01" />
			</method>
			<method name="pdu">
			<device action="reboot" name="pdu2" port="1" />
	</method>		</method>
	</fence>		</fence>
Line 275:		Line 277:
	<clusternode name="an-node02.alteeve.com" nodeid="2">		<clusternode name="an-node02.alteeve.com" nodeid="2">
	<fence>		<fence>
	<method name="~~apc_pdu~~">		<method name="ipmi">
	<device action="reboot" name="pdu2" port="2"/>		<device action="reboot" name="ipmi_an02" />
			</method>
			<method name="pdu">
			<device action="reboot" name="pdu2" port="2" />
	</method>		</method>
	</fence>		</fence>
Line 282:		Line 287:
	</clusternodes>		</clusternodes>
	<fencedevices>		<fencedevices>
	<fencedevice agent="~~fence_apc~~" ipaddr="~~192~~.~~168~~.~~1.6~~" login="~~apc~~" name="~~pdu2~~" passwd="secret"/>		<fencedevice agent="fence_ipmilan" ipaddr="an-node01.ipmi" login="root" name="ipmi_an01" passwd="secret" />
			<fencedevice agent="fence_ipmilan" ipaddr="an-node02.ipmi" login="root" name="ipmi_an02" passwd="secret" />
			<fencedevice agent="fence_apc_snmp" ipaddr="pdu2.alteeve.com" name="pdu2" />
	</fencedevices>		</fencedevices>
	<fence_daemon post_join_delay="30"/>		<fence_daemon post_join_delay="30" />
	<~~rm log_level~~="5">		<totem rrp_mode="none" secauth="off" />
			<rm>
	<resources>		<resources>
	<ip address="~~192~~.~~168~~.2.~~100~~" monitor_link="on"/>		<ip address="10.10.1.1" monitor_link="on" />
	<script file="/etc/init.d/drbd" name="drbd"/>		<script file="/etc/init.d/drbd" name="drbd" />
	<script file="/etc/init.d/clvmd" name="clvmd"/>		<script file="/etc/init.d/clvmd" name="clvmd" />
	<script file="/etc/init.d/tgtd" name="tgtd"/>		<script file="/etc/init.d/tgtd" name="tgtd" />
	</resources>		</resources>
	<failoverdomains>		<failoverdomains>
	<failoverdomain name="an1_only" nofailback="1" ordered="0" restricted="1">		<failoverdomain name="an1_only" nofailback="1" ordered="0" restricted="1">
	<failoverdomainnode name="an-node01.alteeve.com"/>		<failoverdomainnode name="an-node01.alteeve.com" />
	</failoverdomain>		</failoverdomain>
	<failoverdomain name="an2_only" nofailback="1" ordered="0" restricted="1">		<failoverdomain name="an2_only" nofailback="1" ordered="0" restricted="1">
	<failoverdomainnode name="an-node02.alteeve.com"/>		<failoverdomainnode name="an-node02.alteeve.com" />
	</failoverdomain>		</failoverdomain>
	<failoverdomain name="an1_primary" nofailback="1" ordered="1" restricted="0">		<failoverdomain name="an1_primary" nofailback="1" ordered="1" restricted="0">
	<failoverdomainnode name="an-node01.alteeve.com" priority="1"/>		<failoverdomainnode name="an-node01.alteeve.com" priority="1" />
	<failoverdomainnode name="an-node02.alteeve.com" priority="2"/>		<failoverdomainnode name="an-node02.alteeve.com" priority="2" />
	</failoverdomain>		</failoverdomain>
	</failoverdomains>		</failoverdomains>
Line 307:		Line 315:
	<script ref="drbd">		<script ref="drbd">
	<script ref="clvmd">		<script ref="clvmd">
	<script ref="tgtd"/>		<script ref="tgtd" />
	</script>		</script>
	</script>		</script>
Line 314:		Line 322:
	<script ref="drbd">		<script ref="drbd">
	<script ref="clvmd">		<script ref="clvmd">
	<script ref="tgtd"/>		<script ref="tgtd" />
	</script>		</script>
	</script>		</script>
	</service>		</service>
	<service autostart="1" domain="an1_primary" name="san_ip" recovery="relocate">		<service autostart="1" domain="an1_primary" name="san_ip" recovery="relocate">
	<ip ref="~~192~~.~~168~~.2.~~100~~"/>		<ip ref="10.10.1.1" />
	</service>		</service>
	</rm>		</rm>

Digimer: /* Install The Cluster Software */

2012-01-20T19:43:45Z

Install The Cluster Software

← Older revision		Revision as of 19:43, 20 January 2012
Line 173:		Line 173:

	[ Cluster Communication ]		[ Cluster Communication ]
			</source>

			== Network IPs ==

			<source lang="text">
			SAN: 10.10.1.1

			Node:
			\| IFN \| SN \| BCN \| IPMI \|
			----------+-------------+------------+-----------+-----------+
			an-node01 \| 10.255.0.1 \| 10.10.0.1 \| 10.20.0.1 \| 10.20.1.1 \|
			an-node02 \| 10.255.0.2 \| 10.10.0.2 \| 10.20.0.2 \| 10.20.1.2 \|
			an-node03 \| 10.255.0.3 \| 10.10.0.3 \| 10.20.0.3 \| 10.20.1.3 \|
			an-node04 \| 10.255.0.4 \| 10.10.0.4 \| 10.20.0.4 \| 10.20.1.4 \|
			an-node05 \| 10.255.0.5 \| 10.10.0.5 \| 10.20.0.5 \| 10.20.1.5 \|
			an-node06 \| 10.255.0.6 \| 10.10.0.6 \| 10.20.0.6 \| 10.20.1.6 \|
			an-node07 \| 10.255.0.7 \| 10.10.0.7 \| 10.20.0.7 \| 10.20.1.7 \|
			----------+-------------+------------+-----------+-----------+

			Aux Equipment:
			\| BCN \|
			----------+-------------+
			pdu1 \| 10.20.2.1 \|
			pdu2 \| 10.20.2.2 \|
			switch1 \| 10.20.2.3 \|
			switch2 \| 10.20.2.4 \|
			ups1 \| 10.20.2.5 \|
			ups2 \| 10.20.2.6 \|
			----------+-------------+

			VMs:
			\| VMN \|
			----------+-------------+
			vm01 \| 10.254.0.1 \|
			vm02 \| 10.254.0.2 \|
			vm03 \| 10.254.0.3 \|
			vm04 \| 10.254.0.4 \|
			vm05 \| 10.254.0.5 \|
			vm06 \| 10.254.0.6 \|
			vm07 \| 10.254.0.7 \|
			vm08 \| 10.254.0.8 \|
			vm09 \| 10.254.0.9 \|
			vm10 \| 10.254.0.10 \|
			vm11 \| 10.254.0.11 \|
			vm12 \| 10.254.0.12 \|
			vm13 \| 10.254.0.13 \|
			vm14 \| 10.254.0.14 \|
			vm15 \| 10.254.0.15 \|
			vm16 \| 10.254.0.16 \|
			vm17 \| 10.254.0.17 \|
			vm18 \| 10.254.0.18 \|
			vm19 \| 10.254.0.19 \|
			vm20 \| 10.254.0.20 \|
			----------+-------------+
	</source>		</source>

Digimer: /* The Design */

2012-01-19T20:35:15Z

The Design

@@ Line 127: / Line 127: @@
            |    --     |   vm04    |   vm08    |   vm12    |   vm16    |    --     |
 ----------+-----------+-----------+-----------+-----------+-----------+-----------+
 </source>

Digimer: /* The Design */

2012-01-14T01:10:19Z

The Design

← Older revision		Revision as of 01:10, 14 January 2012
Line 4:		Line 4:

	= The Design =		= The Design =

			Storage, high-level:
			<source lang="text">
			[ Storage Cluster ]
			_____________________________ _____________________________
			\| [ an-node01 ] \| \| [ an-node02 ] \|
			\| _____ _____ \| \| _____ _____ \|
			\| ( HDD ) ( SSD ) \| \| ( SSD ) ( HDD ) \|
			\| (_____) (_____) __________\| \|__________ (_____) (_____) \|
			\| \| \| \| Storage =--\ /--= Storage \| \| \| \|
			\| \| \----\| Network \|\| \| \| \|\| Network \|----/ \| \|
			\| \-------------\|_________\|\| \| \| \|\|_________\|-------------/ \|
			\|_____________________________\| \| \| \|_____________________________\|
			__\|_____\|__
			\| HDD LUN \|
			\| SDD LUN \|
			\|___________\|
			\|
			_____\|_____
			\| Floating \|
			\| SAN IP \|
			[ VM Cluster ] \|___________\|
			______________________________ \| \| \| \| \| ______________________________
			\| [ an-node03 ] \| \| \| \| \| \| \| [ an-node06 ] \|
			\| _________ \| \| \| \| \| \| \| _________ \|
			\| \| [ vmA ] \| \| \| \| \| \| \| \| \| [ vmJ ] \| \|
			\| \| _____ \| \| \| \| \| \| \| \| \| _____ \| \|
			\| \| (_hdd_)-=----\ \| \| \| \| \| \| \| /----=-(_hdd_) \| \|
			\| \|_________\| \| \| \| \| \| \| \| \| \| \|_________\| \|
			\| _________ \| \| \| \| \| \| \| \| \| _________ \|
			\| \| [ vmB ] \| \| \| \| \| \| \| \| \| \| \| [ vmK ] \| \|
			\| \| _____ \| \| \| \| \| \| \| \| \| \| \| _____ \| \|
			\| \| (_hdd_)-=--\ \| __________\| \| \| \| \| \| \|__________ \| /--=-(_hdd_) \| \|
			\| \|_________\| \| \--\| Storage =--/ \| \| \| \--= Storage \|--/ \| \|_________\| \|
			\| _________ \----\| Network \|\| \| \| \| \|\| Network \|----/ _________ \|
			\| \| [ vmC ] \| /----\|_________\|\| \| \| \| \|\|_________\|----\ \| [ vmL ] \| \|
			\| \| _____ \| \| \| \| \| \| \| \| \| _____ \| \|
			\| \| (_hdd_)-=--/ \| \| \| \| \| \--=-(_hdd_) \| \|
			\| \|_________\| \| \| \| \| \| \|_________\| \|
			\|______________________________\| \| \| \| \|______________________________\|
			______________________________ \| \| \| ______________________________
			\| [ an-node04 ] \| \| \| \| \| [ an-node07 ] \|
			\| _________ \| \| \| \| \| _________ \|
			\| \| [ vmD ] \| \| \| \| \| \| \| [ vmM ] \| \|
			\| \| _____ \| \| \| \| \| \| \| _____ \| \|
			\| \| (_hdd_)-=----\ \| \| \| \| \| /----=-(_hdd_) \| \|
			\| \|_________\| \| \| \| \| \| \| \| \|_________\| \|
			\| _________ \| \| \| \| \| \| \| _________ \|
			\| \| [ vmE ] \| \| \| \| \| \| \| \| \| [ vmN ] \| \|
			\| \| _____ \| \| \| \| \| \| \| \| \| _____ \| \|
			\| \| (_hdd_)-=--\ \| __________\| \| \| \| \|__________ \| /--=-(_hdd_) \| \|
			\| \|_________\| \| \--\| Storage =----/ \| \----= Storage \|--/ \| \|_________\| \|
			\| _________ \----\| Network \|\| \| \|\| Network \|----/ _________ \|
			\| \| [ vmF ] \| /----\|_________\|\| \| \|\|_________\|----\ \| [ vmO ] \| \|
			\| \| _____ \| \| \| \| \| \| \| _____ \| \|
			\| \| (_hdd_)-=--+ \| \| \| \--=-(_hdd_) \| \|
			\| \| (_ssd_)-=--/ \| \| \| \|_________\| \|
			\| \|_________\| \| \| \| \|
			\|______________________________\| \| \|______________________________\|
			______________________________ \|
			\| [ an-node05 ] \| \|
			\| _________ \| \|
			\| \| [ vmG ] \| \| \|
			\| \| _____ \| \| \|
			\| \| (_hdd_)-=----\ \| \|
			\| \|_________\| \| \| \|
			\| _________ \| \| \|
			\| \| [ vmH ] \| \| \| \|
			\| \| _____ \| \| \| \|
			\| \| (_hdd_)-=--\ \| \| \|
			\| \| (_sdd_)-=--+ \| __________\| \|
			\| \|_________\| \| \--\| Storage =------/
			\| _________ \----\| Network \|\|
			\| \| [ vmI ] \| /----\|_________\|\|
			\| \| _____ \| \| \|
			\| \| (_hdd_)-=--/ \|
			\| \|_________\| \|
			\|______________________________\|
			</source>

	{{note\|1=Yes, this is a big graphic, but this is also a big project. I am no artist though, and any help making this clearer is greatly appreciated!}}		{{note\|1=Yes, this is a big graphic, but this is also a big project. I am no artist though, and any help making this clearer is greatly appreciated!}}

Digimer: /* The Design */

2012-01-09T05:27:20Z

The Design

← Older revision		Revision as of 05:27, 9 January 2012
Line 5:		Line 5:
	= The Design =		= The Design =

	~~<pre>~~		{{note\|1=Yes, this is a big graphic, but this is also a big project. I am no artist though, and any help making this clearer is greatly appreciated!}}
	~~<apparently media wiki can only handle so much ASCII art~~... ~~graphic coming~~.
	~~</pre>~~		[[Image:2x5_the-plan_01.png\|center\|thumb\|800px\|The planned network. This shows separate IPMI and full redundancy through-out the cluster. This is the way a production cluster should be built, but is not expected for dev/test clusters.]]

	VM Cluster; Guest VM failure migration planning;		VM Cluster; Guest VM failure migration planning;

← Older revision		Revision as of 19:43, 20 January 2012
Line 173:		Line 173:

	[ Cluster Communication ]		[ Cluster Communication ]
			</source>

			== Network IPs ==

			<source lang="text">
			SAN: 10.10.1.1

			Node:
			\| IFN \| SN \| BCN \| IPMI \|
			----------+-------------+------------+-----------+-----------+
			an-node01 \| 10.255.0.1 \| 10.10.0.1 \| 10.20.0.1 \| 10.20.1.1 \|
			an-node02 \| 10.255.0.2 \| 10.10.0.2 \| 10.20.0.2 \| 10.20.1.2 \|
			an-node03 \| 10.255.0.3 \| 10.10.0.3 \| 10.20.0.3 \| 10.20.1.3 \|
			an-node04 \| 10.255.0.4 \| 10.10.0.4 \| 10.20.0.4 \| 10.20.1.4 \|
			an-node05 \| 10.255.0.5 \| 10.10.0.5 \| 10.20.0.5 \| 10.20.1.5 \|
			an-node06 \| 10.255.0.6 \| 10.10.0.6 \| 10.20.0.6 \| 10.20.1.6 \|
			an-node07 \| 10.255.0.7 \| 10.10.0.7 \| 10.20.0.7 \| 10.20.1.7 \|
			----------+-------------+------------+-----------+-----------+

			Aux Equipment:
			\| BCN \|
			----------+-------------+
			pdu1 \| 10.20.2.1 \|
			pdu2 \| 10.20.2.2 \|
			switch1 \| 10.20.2.3 \|
			switch2 \| 10.20.2.4 \|
			ups1 \| 10.20.2.5 \|
			ups2 \| 10.20.2.6 \|
			----------+-------------+

			VMs:
			\| VMN \|
			----------+-------------+
			vm01 \| 10.254.0.1 \|
			vm02 \| 10.254.0.2 \|
			vm03 \| 10.254.0.3 \|
			vm04 \| 10.254.0.4 \|
			vm05 \| 10.254.0.5 \|
			vm06 \| 10.254.0.6 \|
			vm07 \| 10.254.0.7 \|
			vm08 \| 10.254.0.8 \|
			vm09 \| 10.254.0.9 \|
			vm10 \| 10.254.0.10 \|
			vm11 \| 10.254.0.11 \|
			vm12 \| 10.254.0.12 \|
			vm13 \| 10.254.0.13 \|
			vm14 \| 10.254.0.14 \|
			vm15 \| 10.254.0.15 \|
			vm16 \| 10.254.0.16 \|
			vm17 \| 10.254.0.17 \|
			vm18 \| 10.254.0.18 \|
			vm19 \| 10.254.0.19 \|
			vm20 \| 10.254.0.20 \|
			----------+-------------+
	</source>		</source>

← Older revision		Revision as of 01:10, 14 January 2012
Line 4:		Line 4:

	= The Design =		= The Design =

			Storage, high-level:
			<source lang="text">
			[ Storage Cluster ]
			_____________________________ _____________________________
			\| [ an-node01 ] \| \| [ an-node02 ] \|
			\| _____ _____ \| \| _____ _____ \|
			\| ( HDD ) ( SSD ) \| \| ( SSD ) ( HDD ) \|
			\| (_____) (_____) __________\| \|__________ (_____) (_____) \|
			\| \| \| \| Storage =--\ /--= Storage \| \| \| \|
			\| \| \----\| Network \|\| \| \| \|\| Network \|----/ \| \|
			\| \-------------\|_________\|\| \| \| \|\|_________\|-------------/ \|
			\|_____________________________\| \| \| \|_____________________________\|
			__\|_____\|__
			\| HDD LUN \|
			\| SDD LUN \|
			\|___________\|
			\|
			_____\|_____
			\| Floating \|
			\| SAN IP \|
			[ VM Cluster ] \|___________\|
			______________________________ \| \| \| \| \| ______________________________
			\| [ an-node03 ] \| \| \| \| \| \| \| [ an-node06 ] \|
			\| _________ \| \| \| \| \| \| \| _________ \|
			\| \| [ vmA ] \| \| \| \| \| \| \| \| \| [ vmJ ] \| \|
			\| \| _____ \| \| \| \| \| \| \| \| \| _____ \| \|
			\| \| (_hdd_)-=----\ \| \| \| \| \| \| \| /----=-(_hdd_) \| \|
			\| \|_________\| \| \| \| \| \| \| \| \| \| \|_________\| \|
			\| _________ \| \| \| \| \| \| \| \| \| _________ \|
			\| \| [ vmB ] \| \| \| \| \| \| \| \| \| \| \| [ vmK ] \| \|
			\| \| _____ \| \| \| \| \| \| \| \| \| \| \| _____ \| \|
			\| \| (_hdd_)-=--\ \| __________\| \| \| \| \| \| \|__________ \| /--=-(_hdd_) \| \|
			\| \|_________\| \| \--\| Storage =--/ \| \| \| \--= Storage \|--/ \| \|_________\| \|
			\| _________ \----\| Network \|\| \| \| \| \|\| Network \|----/ _________ \|
			\| \| [ vmC ] \| /----\|_________\|\| \| \| \| \|\|_________\|----\ \| [ vmL ] \| \|
			\| \| _____ \| \| \| \| \| \| \| \| \| _____ \| \|
			\| \| (_hdd_)-=--/ \| \| \| \| \| \--=-(_hdd_) \| \|
			\| \|_________\| \| \| \| \| \| \|_________\| \|
			\|______________________________\| \| \| \| \|______________________________\|
			______________________________ \| \| \| ______________________________
			\| [ an-node04 ] \| \| \| \| \| [ an-node07 ] \|
			\| _________ \| \| \| \| \| _________ \|
			\| \| [ vmD ] \| \| \| \| \| \| \| [ vmM ] \| \|
			\| \| _____ \| \| \| \| \| \| \| _____ \| \|
			\| \| (_hdd_)-=----\ \| \| \| \| \| /----=-(_hdd_) \| \|
			\| \|_________\| \| \| \| \| \| \| \| \|_________\| \|
			\| _________ \| \| \| \| \| \| \| _________ \|
			\| \| [ vmE ] \| \| \| \| \| \| \| \| \| [ vmN ] \| \|
			\| \| _____ \| \| \| \| \| \| \| \| \| _____ \| \|
			\| \| (_hdd_)-=--\ \| __________\| \| \| \| \|__________ \| /--=-(_hdd_) \| \|
			\| \|_________\| \| \--\| Storage =----/ \| \----= Storage \|--/ \| \|_________\| \|
			\| _________ \----\| Network \|\| \| \|\| Network \|----/ _________ \|
			\| \| [ vmF ] \| /----\|_________\|\| \| \|\|_________\|----\ \| [ vmO ] \| \|
			\| \| _____ \| \| \| \| \| \| \| _____ \| \|
			\| \| (_hdd_)-=--+ \| \| \| \--=-(_hdd_) \| \|
			\| \| (_ssd_)-=--/ \| \| \| \|_________\| \|
			\| \|_________\| \| \| \| \|
			\|______________________________\| \| \|______________________________\|
			______________________________ \|
			\| [ an-node05 ] \| \|
			\| _________ \| \|
			\| \| [ vmG ] \| \| \|
			\| \| _____ \| \| \|
			\| \| (_hdd_)-=----\ \| \|
			\| \|_________\| \| \| \|
			\| _________ \| \| \|
			\| \| [ vmH ] \| \| \| \|
			\| \| _____ \| \| \| \|
			\| \| (_hdd_)-=--\ \| \| \|
			\| \| (_sdd_)-=--+ \| __________\| \|
			\| \|_________\| \| \--\| Storage =------/
			\| _________ \----\| Network \|\|
			\| \| [ vmI ] \| /----\|_________\|\|
			\| \| _____ \| \| \|
			\| \| (_hdd_)-=--/ \|
			\| \|_________\| \|
			\|______________________________\|
			</source>

	{{note\|1=Yes, this is a big graphic, but this is also a big project. I am no artist though, and any help making this clearer is greatly appreciated!}}		{{note\|1=Yes, this is a big graphic, but this is also a big project. I am no artist though, and any help making this clearer is greatly appreciated!}}