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	<title>Blog O' Matty &#187; Solaris Storage</title>
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	<link>http://prefetch.net/blog</link>
	<description>Blog O' Matty</description>
	<lastBuildDate>Tue, 07 Feb 2012 03:00:20 +0000</lastBuildDate>
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		<item>
		<title>The importance of keeping your storage array firmware up to date</title>
		<link>http://prefetch.net/blog/index.php/2012/01/24/the-importance-of-keeping-your-storage-array-firmware-up-to-date/</link>
		<comments>http://prefetch.net/blog/index.php/2012/01/24/the-importance-of-keeping-your-storage-array-firmware-up-to-date/#comments</comments>
		<pubDate>Tue, 24 Jan 2012 13:02:21 +0000</pubDate>
		<dc:creator>matty</dc:creator>
				<category><![CDATA[Solaris Storage]]></category>

		<guid isPermaLink="false">http://prefetch.net/blog/?p=5386</guid>
		<description><![CDATA[A couple of weeks back I attempted to migrate a pair of clustered Solaris 10 servers to a new disk storage array. After rebooting into single user mode to pick up the new devices, I went to add the new quorum disk with clquorum. This resulted in both nodes panicking with the following panic string: [...]]]></description>
		<wfw:commentRss>http://prefetch.net/blog/index.php/2012/01/24/the-importance-of-keeping-your-storage-array-firmware-up-to-date/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Locating physical disk drives in Solaris</title>
		<link>http://prefetch.net/blog/index.php/2010/07/13/locating-physical-disk-drives-in-solaris/</link>
		<comments>http://prefetch.net/blog/index.php/2010/07/13/locating-physical-disk-drives-in-solaris/#comments</comments>
		<pubDate>Tue, 13 Jul 2010 17:39:23 +0000</pubDate>
		<dc:creator>mike</dc:creator>
				<category><![CDATA[Solaris Storage]]></category>

		<guid isPermaLink="false">http://prefetch.net/blog/?p=3742</guid>
		<description><![CDATA[On &#8220;enterprise&#8221; Sun hardware, you can do nifty tricks like blink LED lights on disks to identify where logical disk names like c8t2d0 resides as Matty pointed out in the blog post here. But what if you&#8217;re stuck on crufty (cheaper) regular SATA drives without the sexy LED support? How do you find c8t2d0 amongst [...]]]></description>
		<wfw:commentRss>http://prefetch.net/blog/index.php/2010/07/13/locating-physical-disk-drives-in-solaris/feed/</wfw:commentRss>
		<slash:comments>6</slash:comments>
		</item>
		<item>
		<title>Cool blog post about aligning partitions for performance</title>
		<link>http://prefetch.net/blog/index.php/2010/07/02/cool-blog-post-about-aligning-partitions-for-performance/</link>
		<comments>http://prefetch.net/blog/index.php/2010/07/02/cool-blog-post-about-aligning-partitions-for-performance/#comments</comments>
		<pubDate>Sat, 03 Jul 2010 00:38:40 +0000</pubDate>
		<dc:creator>matty</dc:creator>
				<category><![CDATA[Solaris Performance Tuning]]></category>
		<category><![CDATA[Solaris Storage]]></category>

		<guid isPermaLink="false">http://prefetch.net/blog/?p=3735</guid>
		<description><![CDATA[I came across a link to Dave Lutz&#8217;s Partition Alignment Guidelines for Unified Storage blog post while catching up on zfs-discuss today. Aligning partitions correctly can make a HUGE performance difference, and it&#8217;s amazing how many people are unaware of the consequences of not laying out their partitions to align with the storage they are [...]]]></description>
		<wfw:commentRss>http://prefetch.net/blog/index.php/2010/07/02/cool-blog-post-about-aligning-partitions-for-performance/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Configuring and monitoring the T5220 hardware RAID controller</title>
		<link>http://prefetch.net/blog/index.php/2010/01/12/configuring-and-monitoring-the-t5220-hardware-raid-controller/</link>
		<comments>http://prefetch.net/blog/index.php/2010/01/12/configuring-and-monitoring-the-t5220-hardware-raid-controller/#comments</comments>
		<pubDate>Wed, 13 Jan 2010 01:08:27 +0000</pubDate>
		<dc:creator>matty</dc:creator>
				<category><![CDATA[Solaris Storage]]></category>

		<guid isPermaLink="false">http://prefetch.net/blog/?p=3375</guid>
		<description><![CDATA[The Sun T5220 comes with a built-in RAID controller, which supports all of the standard RAID levels (0 &#8211; 6). Configuring one or more devices to participate in a RAID Configuration is dead simple, since you can use the Solaris raidctl utility. The last T5220 I configured had a root file system that was going [...]]]></description>
		<wfw:commentRss>http://prefetch.net/blog/index.php/2010/01/12/configuring-and-monitoring-the-t5220-hardware-raid-controller/feed/</wfw:commentRss>
		<slash:comments>5</slash:comments>
		</item>
		<item>
		<title>Backing up your COMSTAR storage configuration</title>
		<link>http://prefetch.net/blog/index.php/2009/12/20/backing-up-your-comstar-storage-configuration/</link>
		<comments>http://prefetch.net/blog/index.php/2009/12/20/backing-up-your-comstar-storage-configuration/#comments</comments>
		<pubDate>Sun, 20 Dec 2009 14:08:44 +0000</pubDate>
		<dc:creator>matty</dc:creator>
				<category><![CDATA[Solaris Storage]]></category>

		<guid isPermaLink="false">http://prefetch.net/blog/?p=1886</guid>
		<description><![CDATA[I have been playing around with the COMSTAR iSCSI and FC port providers for the past few months, and other than a number of problems with the emlxs driver, they appear to work pretty well. As I&#8217;ve been experimenting, I wanted to back up my configuration in case something happened to my server. COMSTAR uses [...]]]></description>
		<wfw:commentRss>http://prefetch.net/blog/index.php/2009/12/20/backing-up-your-comstar-storage-configuration/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Port multiplier support in opensolaris</title>
		<link>http://prefetch.net/blog/index.php/2009/08/16/port-multiplier-support-in-opensolaris/</link>
		<comments>http://prefetch.net/blog/index.php/2009/08/16/port-multiplier-support-in-opensolaris/#comments</comments>
		<pubDate>Sun, 16 Aug 2009 17:14:58 +0000</pubDate>
		<dc:creator>matty</dc:creator>
				<category><![CDATA[Solaris Kernel]]></category>
		<category><![CDATA[Solaris Storage]]></category>

		<guid isPermaLink="false">http://prefetch.net/blog/?p=2854</guid>
		<description><![CDATA[I just saw the following opensolaris putback notice: PSARC/2009/394 SATA Framework Port Multiplier Support 6422924 sata framework has to support port multipliers 6691950 ahci driver needs to support SIL3726/4726 SATA port multiplier This is awesome news, and I&#8217;m hopeful this will allow me to use one of my external SATA enclosures with OpenSolaris. Time to [...]]]></description>
		<wfw:commentRss>http://prefetch.net/blog/index.php/2009/08/16/port-multiplier-support-in-opensolaris/feed/</wfw:commentRss>
		<slash:comments>5</slash:comments>
		</item>
		<item>
		<title>Managing COMSTAR logical units with sbdadm</title>
		<link>http://prefetch.net/blog/index.php/2009/05/18/managing-comstar-logical-units-with-sbdadm/</link>
		<comments>http://prefetch.net/blog/index.php/2009/05/18/managing-comstar-logical-units-with-sbdadm/#comments</comments>
		<pubDate>Mon, 18 May 2009 15:16:18 +0000</pubDate>
		<dc:creator>matty</dc:creator>
				<category><![CDATA[Solaris Storage]]></category>

		<guid isPermaLink="false">http://prefetch.net/blog/?p=1867</guid>
		<description><![CDATA[With project COMSTAR, you can present logical units to one or more hosts connected via Ethernet or fibre channel. Logical units are managed with the sbdadm utility, which has options to add, delete, list, import and modify logical units. To create a logical unit using a ZFS volume, the path to the ZFS volume can [...]]]></description>
		<wfw:commentRss>http://prefetch.net/blog/index.php/2009/05/18/managing-comstar-logical-units-with-sbdadm/feed/</wfw:commentRss>
		<slash:comments>5</slash:comments>
		</item>
		<item>
		<title>Debugging issues with the COMSTAR fibre channel target</title>
		<link>http://prefetch.net/blog/index.php/2009/05/12/debugging-issues-with-the-comstar-fibre-channel-target/</link>
		<comments>http://prefetch.net/blog/index.php/2009/05/12/debugging-issues-with-the-comstar-fibre-channel-target/#comments</comments>
		<pubDate>Tue, 12 May 2009 05:28:00 +0000</pubDate>
		<dc:creator>matty</dc:creator>
				<category><![CDATA[Solaris Storage]]></category>

		<guid isPermaLink="false">http://prefetch.net/blog/?p=1800</guid>
		<description><![CDATA[I recently talked about how you can turn an opensolaris host into a fibre channel storage array. The STMF framework maintains an internal trace buffer with recent activity, which can be extremely useful for debugging problems. To view the contents of the buffer, you can send the string &#8220;*stmf_trace_buf&#8221; to mdb: $ echo &#8216;*stmf_trace_buf/s&#8217; &#124;mdb [...]]]></description>
		<wfw:commentRss>http://prefetch.net/blog/index.php/2009/05/12/debugging-issues-with-the-comstar-fibre-channel-target/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Turning an opensolaris host into a fibre channel storage array</title>
		<link>http://prefetch.net/blog/index.php/2009/05/11/turning-an-opensolaris-host-into-a-fibre-channel-storage-array/</link>
		<comments>http://prefetch.net/blog/index.php/2009/05/11/turning-an-opensolaris-host-into-a-fibre-channel-storage-array/#comments</comments>
		<pubDate>Mon, 11 May 2009 11:22:43 +0000</pubDate>
		<dc:creator>matty</dc:creator>
				<category><![CDATA[Solaris Storage]]></category>

		<guid isPermaLink="false">http://prefetch.net/blog/?p=1723</guid>
		<description><![CDATA[The COMSTAR (Common Multiprotocol SCSI Target) project was integrated into opensolaris (Nevada) earlier this year, and provides a framework to turn any opensolaris host into a full featured SCSI target. COMSTAR&#8217;s power comes from the fact that it supports several transport protocols, which currently includes iSCSI, FCOE and fibre channel. Having just purchased a Brocade [...]]]></description>
		<wfw:commentRss>http://prefetch.net/blog/index.php/2009/05/11/turning-an-opensolaris-host-into-a-fibre-channel-storage-array/feed/</wfw:commentRss>
		<slash:comments>3</slash:comments>
		</item>
		<item>
		<title>Updating Emulex boot code on Solaris hosts</title>
		<link>http://prefetch.net/blog/index.php/2009/05/03/updating-emulex-boot-code-on-opensolaris-hosts/</link>
		<comments>http://prefetch.net/blog/index.php/2009/05/03/updating-emulex-boot-code-on-opensolaris-hosts/#comments</comments>
		<pubDate>Sun, 03 May 2009 16:07:52 +0000</pubDate>
		<dc:creator>matty</dc:creator>
				<category><![CDATA[Emulex]]></category>
		<category><![CDATA[Solaris Storage]]></category>

		<guid isPermaLink="false">http://prefetch.net/blog/?p=1625</guid>
		<description><![CDATA[I previously discussed updating Emulex adapter firmware, but didn&#8217;t touch on updating the adapter&#8217;s boot code. The boot code allows you to boot from a SAN device, and is a separate upgrade from the standard firmware. To upgrade the boot code, you can run the emlxadm download_boot command with the name of the boot code [...]]]></description>
		<wfw:commentRss>http://prefetch.net/blog/index.php/2009/05/03/updating-emulex-boot-code-on-opensolaris-hosts/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
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