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	<title>Backdrift &#187; storage</title>
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	<link>http://backdrift.org</link>
	<description></description>
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		<item>
		<title>Freeing Disk Space in Linux</title>
		<link>http://backdrift.org/freeing-disk-space-in-linux</link>
		<comments>http://backdrift.org/freeing-disk-space-in-linux#comments</comments>
		<pubDate>Tue, 14 Jun 2011 21:42:01 +0000</pubDate>
		<dc:creator>Keith</dc:creator>
				<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[amazon]]></category>
		<category><![CDATA[cloud]]></category>
		<category><![CDATA[Debian]]></category>
		<category><![CDATA[disk]]></category>
		<category><![CDATA[ec2]]></category>
		<category><![CDATA[ext]]></category>
		<category><![CDATA[ext2]]></category>
		<category><![CDATA[ext3]]></category>
		<category><![CDATA[ext4]]></category>
		<category><![CDATA[filesystem]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[nas]]></category>
		<category><![CDATA[redhat]]></category>
		<category><![CDATA[RHEL]]></category>
		<category><![CDATA[san]]></category>
		<category><![CDATA[space]]></category>
		<category><![CDATA[storage]]></category>
		<category><![CDATA[sysadmin]]></category>
		<category><![CDATA[ubuntu]]></category>
		<category><![CDATA[unix]]></category>

		<guid isPermaLink="false">http://backdrift.org/?p=1150</guid>
		<description><![CDATA[Did you know that most filesystems reserve a percentage of the available free space as an emergency reserve for when the disk becomes full? This is a great safety mechanism if you&#8217;re running critical applications or database, but in many cases all this reserved space winds up going to waste. Especially so in the case [...]]]></description>
		<wfw:commentRss>http://backdrift.org/freeing-disk-space-in-linux/feed</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>Mounting a File System on a Partition Inside of an LVM Volume</title>
		<link>http://backdrift.org/mounting-a-file-system-on-a-partition-inside-of-an-lvm-volume</link>
		<comments>http://backdrift.org/mounting-a-file-system-on-a-partition-inside-of-an-lvm-volume#comments</comments>
		<pubDate>Thu, 12 May 2011 23:17:34 +0000</pubDate>
		<dc:creator>Keith</dc:creator>
				<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[fdisk]]></category>
		<category><![CDATA[filesystem]]></category>
		<category><![CDATA[kpartx]]></category>
		<category><![CDATA[kvm]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[lvm]]></category>
		<category><![CDATA[partition]]></category>
		<category><![CDATA[storage]]></category>
		<category><![CDATA[sysadmin]]></category>
		<category><![CDATA[unix]]></category>
		<category><![CDATA[Virtualization]]></category>
		<category><![CDATA[Xen]]></category>

		<guid isPermaLink="false">http://backdrift.org/?p=932</guid>
		<description><![CDATA[In my linux virtual environment I am using LVM volumes as the backing devices for virtual machines. Each of these LVM volumes contains a partition table splitting the LVM volume into at least one linux partition and one swap partition. In order to access these partitions from the dom0 host itself we can use the [...]]]></description>
		<wfw:commentRss>http://backdrift.org/mounting-a-file-system-on-a-partition-inside-of-an-lvm-volume/feed</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Xen Disk Hot Add (Block Device) Howto</title>
		<link>http://backdrift.org/xen-disk-hot-add-block-device-howto</link>
		<comments>http://backdrift.org/xen-disk-hot-add-block-device-howto#comments</comments>
		<pubDate>Wed, 19 Jan 2011 03:04:49 +0000</pubDate>
		<dc:creator>Keith</dc:creator>
				<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[block]]></category>
		<category><![CDATA[block-attach]]></category>
		<category><![CDATA[block-detach]]></category>
		<category><![CDATA[disk]]></category>
		<category><![CDATA[hot-add]]></category>
		<category><![CDATA[howto]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[storage]]></category>
		<category><![CDATA[sysadmin]]></category>
		<category><![CDATA[unix]]></category>
		<category><![CDATA[Xen]]></category>
		<category><![CDATA[xm]]></category>

		<guid isPermaLink="false">http://backdrift.org/?p=907</guid>
		<description><![CDATA[Xen allows you to hot add (and remove) disks to a guest domU while the system is running. To do this you&#8217;ll use the &#8216;xm block-*&#8217; commands. Hot Add To hot add a disk we use the &#8216;xm block-attach&#8217; command. Usage: xm block-attach &#60;Domain&#62; &#60;BackDev&#62; &#60;FrontDev&#62; &#60;Mode&#62; &#91;BackDomain&#93; Let me describe what each of these [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>NetApp Data ONTAP Man Pages</title>
		<link>http://backdrift.org/netapp-data-ontap-man-pages</link>
		<comments>http://backdrift.org/netapp-data-ontap-man-pages#comments</comments>
		<pubDate>Thu, 23 Sep 2010 22:06:40 +0000</pubDate>
		<dc:creator>Keith</dc:creator>
				<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[documentation]]></category>
		<category><![CDATA[howto]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[man]]></category>
		<category><![CDATA[manual]]></category>
		<category><![CDATA[netapp]]></category>
		<category><![CDATA[storage]]></category>
		<category><![CDATA[troubleshooting]]></category>
		<category><![CDATA[unix]]></category>

		<guid isPermaLink="false">http://backdrift.org/?p=801</guid>
		<description><![CDATA[Because I refer to the NetApp man pages so frequently I host a copy on this web server at http://backdrift.org/man/netapp/. I Hope you find them useful!]]></description>
		<wfw:commentRss>http://backdrift.org/netapp-data-ontap-man-pages/feed</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>NetApp Network Ports</title>
		<link>http://backdrift.org/netapp-network-ports</link>
		<comments>http://backdrift.org/netapp-network-ports#comments</comments>
		<pubDate>Tue, 17 Aug 2010 19:11:04 +0000</pubDate>
		<dc:creator>Keith</dc:creator>
				<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[filer]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[netapp]]></category>
		<category><![CDATA[networking]]></category>
		<category><![CDATA[ontap]]></category>
		<category><![CDATA[port]]></category>
		<category><![CDATA[server]]></category>
		<category><![CDATA[storage]]></category>
		<category><![CDATA[tcp]]></category>
		<category><![CDATA[troubleshooting]]></category>
		<category><![CDATA[udp]]></category>
		<category><![CDATA[unix]]></category>

		<guid isPermaLink="false">http://backdrift.org/?p=781</guid>
		<description><![CDATA[This is the most complete list of ports used by NetApp filers that I have been able to find to date. It is from the /etc/services file that NetApp provides within their firmware that they have updated to show only services consumed or served by a NetApp filer. This is taken from Data ONTAP firmware [...]]]></description>
		<wfw:commentRss>http://backdrift.org/netapp-network-ports/feed</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Online ext3 grow / resize with lvm</title>
		<link>http://backdrift.org/online-ext3-grow-resize-with-lvm</link>
		<comments>http://backdrift.org/online-ext3-grow-resize-with-lvm#comments</comments>
		<pubDate>Tue, 20 Jul 2010 15:50:37 +0000</pubDate>
		<dc:creator>Keith</dc:creator>
				<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[ext3]]></category>
		<category><![CDATA[extend]]></category>
		<category><![CDATA[grow]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[lvm]]></category>
		<category><![CDATA[online]]></category>
		<category><![CDATA[resize]]></category>
		<category><![CDATA[resize2fs]]></category>
		<category><![CDATA[storage]]></category>
		<category><![CDATA[sysadmin]]></category>

		<guid isPermaLink="false">http://backdrift.org/?p=575</guid>
		<description><![CDATA[Performing an on-line resize of /dev/vg0/vol_mysql to 2883584 (4k) blocks.
The filesystem on /dev/vg0/vol_mysql is now 2883584 blocks long.]]></description>
		<wfw:commentRss>http://backdrift.org/online-ext3-grow-resize-with-lvm/feed</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>How to use bind mounts in linux</title>
		<link>http://backdrift.org/how-to-use-bind-mounts-in-linux</link>
		<comments>http://backdrift.org/how-to-use-bind-mounts-in-linux#comments</comments>
		<pubDate>Thu, 15 Jul 2010 04:34:45 +0000</pubDate>
		<dc:creator>Keith</dc:creator>
				<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[bind]]></category>
		<category><![CDATA[fstab]]></category>
		<category><![CDATA[howto]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[mount]]></category>
		<category><![CDATA[partition]]></category>
		<category><![CDATA[storage]]></category>
		<category><![CDATA[sysadmin]]></category>
		<category><![CDATA[tips]]></category>
		<category><![CDATA[unix]]></category>

		<guid isPermaLink="false">http://backdrift.org/?p=540</guid>
		<description><![CDATA[Have you ever dealt with a system that wasn&#8217;t partitioned properly when it was built and now it has gone into production? You&#8217;ll probably be hard pressed to find the time and patience to rebuild the system any time soon. Luckily there is a way to step around many of the limitations of a poorly [...]]]></description>
		<wfw:commentRss>http://backdrift.org/how-to-use-bind-mounts-in-linux/feed</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Automounting iSCSI with Autofs</title>
		<link>http://backdrift.org/automounting-iscsi-with-autofs</link>
		<comments>http://backdrift.org/automounting-iscsi-with-autofs#comments</comments>
		<pubDate>Thu, 06 May 2010 04:12:17 +0000</pubDate>
		<dc:creator>Keith</dc:creator>
				<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[autofs]]></category>
		<category><![CDATA[automount]]></category>
		<category><![CDATA[backup]]></category>
		<category><![CDATA[bash]]></category>
		<category><![CDATA[equallogic]]></category>
		<category><![CDATA[ext3]]></category>
		<category><![CDATA[iSCSI]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[san]]></category>
		<category><![CDATA[scripting]]></category>
		<category><![CDATA[storage]]></category>
		<category><![CDATA[sysadmin]]></category>

		<guid isPermaLink="false">http://backdrift.org/?p=498</guid>
		<description><![CDATA[I use SAN snapshots extensively to provide point-in-time recoverability for a number of different systems. This is a very reliable and efficient backup solution but it comes at the cost of additional complexity for individual file restoration. This is because the snapshot backups are of the entire volume and not each individual file. So when [...]]]></description>
		<wfw:commentRss>http://backdrift.org/automounting-iscsi-with-autofs/feed</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Live Migration and Synchronous Replicated Storage With Xen, DRBD and LVM</title>
		<link>http://backdrift.org/live-migration-and-synchronous-replicated-storage-with-xen-drbd-and-lvm</link>
		<comments>http://backdrift.org/live-migration-and-synchronous-replicated-storage-with-xen-drbd-and-lvm#comments</comments>
		<pubDate>Sun, 11 Jan 2009 18:09:29 +0000</pubDate>
		<dc:creator>Keith</dc:creator>
				<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[drbd]]></category>
		<category><![CDATA[high availability]]></category>
		<category><![CDATA[infrastructure]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[lvm]]></category>
		<category><![CDATA[redhat]]></category>
		<category><![CDATA[scalability]]></category>
		<category><![CDATA[storage]]></category>
		<category><![CDATA[systems administration]]></category>
		<category><![CDATA[unix]]></category>
		<category><![CDATA[Virtualization]]></category>
		<category><![CDATA[Xen]]></category>

		<guid isPermaLink="false">http://backdrift.org/dist/wordpress/?p=3</guid>
		<description><![CDATA[Xen LVM &#38; DRBD Overview The Xen Hypervisor provides a great deal of flexibility and high availability options when it comes to deploying virtual machines. One of the most attractive features it offers is called live migration. Live migration is the ability to take a running virtual machine (&#8220;domU&#8221;) and move it from one Xen [...]]]></description>
		<wfw:commentRss>http://backdrift.org/live-migration-and-synchronous-replicated-storage-with-xen-drbd-and-lvm/feed</wfw:commentRss>
		<slash:comments>9</slash:comments>
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