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	<title>Blog O' Matty &#187; Storage Area Networking</title>
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	<description>Blog O' Matty</description>
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		<item>
		<title>A completely (local) diskless datacenter with iSCSI</title>
		<link>http://prefetch.net/blog/index.php/2008/12/31/a-completely-local-diskless-datacenter-with-iscsi/</link>
		<comments>http://prefetch.net/blog/index.php/2008/12/31/a-completely-local-diskless-datacenter-with-iscsi/#comments</comments>
		<pubDate>Wed, 31 Dec 2008 15:01:29 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Solaris Install]]></category>
		<category><![CDATA[Solaris Misc]]></category>
		<category><![CDATA[Solaris Networking]]></category>
		<category><![CDATA[Storage Area Networking]]></category>

		<guid isPermaLink="false">http://prefetch.net/blog/?p=957</guid>
		<description><![CDATA[Being able to boot a machine from SAN isn&#8217;t exactly a new concept.  Instead of having local hard drives in thousands of machines, each machine logs into the fabric and boots the O/S from a LUN exported via fiber on the SAN.  This requires a little bit of configuration on the Fiber HBA, but it [...]]]></description>
		<wfw:commentRss>http://prefetch.net/blog/index.php/2008/12/31/a-completely-local-diskless-datacenter-with-iscsi/feed/</wfw:commentRss>
		<slash:comments>3</slash:comments>
		</item>
		<item>
		<title>Configuring Brocade switches to log to syslog</title>
		<link>http://prefetch.net/blog/index.php/2007/07/15/configuring-brocade-switches-to-log-to-syslog/</link>
		<comments>http://prefetch.net/blog/index.php/2007/07/15/configuring-brocade-switches-to-log-to-syslog/#comments</comments>
		<pubDate>Sun, 15 Jul 2007 15:25:51 +0000</pubDate>
		<dc:creator>matty</dc:creator>
				<category><![CDATA[Storage Area Networking]]></category>

		<guid isPermaLink="false">http://prefetch.net/blog/index.php/2007/07/15/configuring-brocade-switches-to-log-to-syslog/</guid>
		<description><![CDATA[I manage a number of Brocade switches, and periodically they encounter hardware problems (bad SPFs, faulty cables, etc.). To ensure that I am notified when these problems occur, I like to configure the switches to log errors to a centralized syslog server. Configuring a Brocade switch to use syslog is as simple as running the [...]]]></description>
		<wfw:commentRss>http://prefetch.net/blog/index.php/2007/07/15/configuring-brocade-switches-to-log-to-syslog/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Viewing port utilization on Brocade switches</title>
		<link>http://prefetch.net/blog/index.php/2007/07/15/viewing-port-utilization-on-brocade-switches/</link>
		<comments>http://prefetch.net/blog/index.php/2007/07/15/viewing-port-utilization-on-brocade-switches/#comments</comments>
		<pubDate>Sun, 15 Jul 2007 15:10:24 +0000</pubDate>
		<dc:creator>matty</dc:creator>
				<category><![CDATA[Storage Area Networking]]></category>

		<guid isPermaLink="false">http://prefetch.net/blog/index.php/2007/07/15/viewing-brocade-port-utilization/</guid>
		<description><![CDATA[The Brocade Silkworm family of switches maintain a number of important performance and reliability counters for each switch port. Performance and reliability counters for specific switch ports can be viewed with the porterrshow, portshow and portStatsShow commands. To view system wide throughput statistics, the portPerfShow command can be run with an optional interval: switch1:admin> portPerfShow [...]]]></description>
		<wfw:commentRss>http://prefetch.net/blog/index.php/2007/07/15/viewing-port-utilization-on-brocade-switches/feed/</wfw:commentRss>
		<slash:comments>5</slash:comments>
		</item>
		<item>
		<title>Backing up Brocade switch configurations</title>
		<link>http://prefetch.net/blog/index.php/2007/07/07/backing-up-brocade-switch-configurations/</link>
		<comments>http://prefetch.net/blog/index.php/2007/07/07/backing-up-brocade-switch-configurations/#comments</comments>
		<pubDate>Sat, 07 Jul 2007 13:29:33 +0000</pubDate>
		<dc:creator>matty</dc:creator>
				<category><![CDATA[Storage Area Networking]]></category>

		<guid isPermaLink="false">http://prefetch.net/blog/index.php/2007/07/07/backing-up-brocade-switch-configurations/</guid>
		<description><![CDATA[Brocade switches have become one of the most widely deployed componets in most Storage Area Networks (SANs). One thing that has led to Brocade&#8217;s success is their robust CLI, which allow you to view and modify almost every aspect of their switch. This includes zoning configurations, SNMP attributes, domain ids, switch names and network addresses, [...]]]></description>
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		<slash:comments>7</slash:comments>
		</item>
		<item>
		<title>iSCSI security</title>
		<link>http://prefetch.net/blog/index.php/2006/01/01/iscsi-security/</link>
		<comments>http://prefetch.net/blog/index.php/2006/01/01/iscsi-security/#comments</comments>
		<pubDate>Mon, 02 Jan 2006 02:15:19 +0000</pubDate>
		<dc:creator>matty</dc:creator>
				<category><![CDATA[Storage Area Networking]]></category>

		<guid isPermaLink="false">http://daemons.net/~matty/blog/?p=306</guid>
		<description><![CDATA[While perusing the Blackhat media archives I came across Himanshu Dwivedi&#8217;s iSCSI security presentation. This is not only a great introduction to the concepts behind iSCSI, but also discusses some of the wekanesses in the iSCSI protocol. This is a great read!]]></description>
		<wfw:commentRss>http://prefetch.net/blog/index.php/2006/01/01/iscsi-security/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Getting Emulex adaptors working with Solaris</title>
		<link>http://prefetch.net/blog/index.php/2005/12/26/no-solaris-cfgadm-yet/</link>
		<comments>http://prefetch.net/blog/index.php/2005/12/26/no-solaris-cfgadm-yet/#comments</comments>
		<pubDate>Mon, 26 Dec 2005 15:48:28 +0000</pubDate>
		<dc:creator>matty</dc:creator>
				<category><![CDATA[Solaris Storage]]></category>
		<category><![CDATA[Storage Area Networking]]></category>

		<guid isPermaLink="false">http://daemons.net/~matty/blog/?p=240</guid>
		<description><![CDATA[This past week I wanted to use the Solaris cfgadm utility to unconfigure a few LUNs. When I ran &#8216;cfgadm -al&#8217;, I noticed that the FC adaptors were not visible in the cfgadm output: $ cfgadm -al Ap_Id Type Receptacle Occupant Condition c2 scsi-bus connected configured unknown c2::dsk/c2t0d0 CD-ROM connected configured unknown usb0/1 unknown empty [...]]]></description>
		<wfw:commentRss>http://prefetch.net/blog/index.php/2005/12/26/no-solaris-cfgadm-yet/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Dissecting Clariion WWPNs</title>
		<link>http://prefetch.net/blog/index.php/2005/09/26/dissecting-clariion-wwns/</link>
		<comments>http://prefetch.net/blog/index.php/2005/09/26/dissecting-clariion-wwns/#comments</comments>
		<pubDate>Mon, 26 Sep 2005 07:35:21 +0000</pubDate>
		<dc:creator>matty</dc:creator>
				<category><![CDATA[Storage Area Networking]]></category>

		<guid isPermaLink="false">http://daemons.net/~matty/blog/?p=157</guid>
		<description><![CDATA[When zoning hosts (actually HBA ports) to EMC Clariion SP ports, it is often beneficial to know which Clariion SP and port a WWPN is associated with. You can easily determine this by taking the Clariion WWPN (50:06:10:60:10:F3:84 in the following example) and breaking it down into three pieces: EMC identifier => 50:06:10 SP and [...]]]></description>
		<wfw:commentRss>http://prefetch.net/blog/index.php/2005/09/26/dissecting-clariion-wwns/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Emulex statistics</title>
		<link>http://prefetch.net/blog/index.php/2005/09/12/emulex-statistics/</link>
		<comments>http://prefetch.net/blog/index.php/2005/09/12/emulex-statistics/#comments</comments>
		<pubDate>Mon, 12 Sep 2005 12:05:41 +0000</pubDate>
		<dc:creator>matty</dc:creator>
				<category><![CDATA[Storage Area Networking]]></category>

		<guid isPermaLink="false">http://daemons.net/~matty/blog/?p=118</guid>
		<description><![CDATA[The Emulex hbacmd(1m) utility can be used to print numerous configuration and performance attributes. The performance attributes can be used to gauage throughput and signal loss, which can aide in debugging performance and reliability issues. To view all available performance metrics, the hbacmd utility can be invoked with the &#8220;portstat&#8221; option and the WWPN to [...]]]></description>
		<wfw:commentRss>http://prefetch.net/blog/index.php/2005/09/12/emulex-statistics/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Resetting Emulex HBAs</title>
		<link>http://prefetch.net/blog/index.php/2005/09/08/resetting-emulex-hbas/</link>
		<comments>http://prefetch.net/blog/index.php/2005/09/08/resetting-emulex-hbas/#comments</comments>
		<pubDate>Thu, 08 Sep 2005 14:50:28 +0000</pubDate>
		<dc:creator>matty</dc:creator>
				<category><![CDATA[Storage Area Networking]]></category>

		<guid isPermaLink="false">http://www.daemons.net/~matty/blog/?p=85</guid>
		<description><![CDATA[On rare ocassions it may be necessary to reset an Emulex HBA to re-establish connectivity to fabric services, and to find new targets and LUNs that have been added to the fabric. This can be accomplished with a system reboot ( which takes a good deal of time, and is not an option when availability [...]]]></description>
		<wfw:commentRss>http://prefetch.net/blog/index.php/2005/09/08/resetting-emulex-hbas/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
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