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	<title>Backdrift &#187; Xen</title>
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	<link>http://backdrift.org</link>
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		<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>1</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>
		<wfw:commentRss>http://backdrift.org/xen-disk-hot-add-block-device-howto/feed</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Efficient Xen Backups Using LVM and Rsnapshot</title>
		<link>http://backdrift.org/efficient-xen-backups-using-lvm-and-rsnapshot</link>
		<comments>http://backdrift.org/efficient-xen-backups-using-lvm-and-rsnapshot#comments</comments>
		<pubDate>Sun, 25 Apr 2010 14:14:48 +0000</pubDate>
		<dc:creator>Keith</dc:creator>
				<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[backup]]></category>
		<category><![CDATA[Debian]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[lvm]]></category>
		<category><![CDATA[open source]]></category>
		<category><![CDATA[redhat]]></category>
		<category><![CDATA[rsnapshot]]></category>
		<category><![CDATA[snapshot]]></category>
		<category><![CDATA[ubuntu]]></category>
		<category><![CDATA[unix]]></category>
		<category><![CDATA[Xen]]></category>

		<guid isPermaLink="false">http://backdrift.org/?p=420</guid>
		<description><![CDATA[Effectively backing up your virtual machines is a problem with a multitude of potential solutions. Many solutions are centered around making a copy of the full volume(s) upon which your virtual machine(s) reside. But what happens if you want to recover just a single file and not the entire VM? And is it possible to [...]]]></description>
		<wfw:commentRss>http://backdrift.org/efficient-xen-backups-using-lvm-and-rsnapshot/feed</wfw:commentRss>
		<slash:comments>6</slash:comments>
		</item>
		<item>
		<title>Xen block iSCSI script with multipath support</title>
		<link>http://backdrift.org/xen-block-iscsi-script-with-multipath-support</link>
		<comments>http://backdrift.org/xen-block-iscsi-script-with-multipath-support#comments</comments>
		<pubDate>Tue, 27 Oct 2009 20:34:19 +0000</pubDate>
		<dc:creator>Keith</dc:creator>
				<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[iSCSI]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[Multipath]]></category>
		<category><![CDATA[redhat]]></category>
		<category><![CDATA[Xen]]></category>

		<guid isPermaLink="false">http://backdrift.org/?p=232</guid>
		<description><![CDATA[When connecting a server to a storage area network (SAN) its important to make certain that you&#8217;re hosts are prepared for the occasional blip in SAN connectivity. Device mapper multipath to the rescue! Multipath is an abstraction layer between you and the raw block devices which allows for multiple I/O paths or networks (IO multipathing) [...]]]></description>
		<wfw:commentRss>http://backdrift.org/xen-block-iscsi-script-with-multipath-support/feed</wfw:commentRss>
		<slash:comments>40</slash:comments>
		</item>
		<item>
		<title>Virtual Private Servers at Backdrift</title>
		<link>http://backdrift.org/vps</link>
		<comments>http://backdrift.org/vps#comments</comments>
		<pubDate>Mon, 19 Oct 2009 01:36:35 +0000</pubDate>
		<dc:creator>Keith</dc:creator>
				<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[Hosting]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[VPS]]></category>
		<category><![CDATA[Xen]]></category>

		<guid isPermaLink="false">http://backdrift.org/?p=199</guid>
		<description><![CDATA[Currently backdrift.org is running on a Xen VM. In order to make this more affordable and better utilize the co-located hardware, we&#8217;re offering dedicated VMs for lease on the primary backdrift.org server. $20 per month gets you: 2x AMD Opteron VCPUs @ 2.6GHz 1G RAM 100GB Disk (on underlying RAID-1) Un-metered bandwidth on bonded T1s [...]]]></description>
		<wfw:commentRss>http://backdrift.org/vps/feed</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Xen PvGrub Howto</title>
		<link>http://backdrift.org/xen-pvgrub-howto</link>
		<comments>http://backdrift.org/xen-pvgrub-howto#comments</comments>
		<pubDate>Fri, 16 Oct 2009 15:49:01 +0000</pubDate>
		<dc:creator>Keith</dc:creator>
				<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[CentOS]]></category>
		<category><![CDATA[Debian]]></category>
		<category><![CDATA[Grub]]></category>
		<category><![CDATA[kernel]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[PVGrub]]></category>
		<category><![CDATA[redhat]]></category>
		<category><![CDATA[RHEL]]></category>
		<category><![CDATA[Xen]]></category>

		<guid isPermaLink="false">http://backdrift.org/?p=147</guid>
		<description><![CDATA[kernel = "/usr/lib/xen/boot/pv-grub-x86_32.gz"
extra = "(hd0)/boot/grub/grub.conf"
#end pvgrub

disk = [ 'phy:/dev/vg0/vm_superchunk-root,xvda1,w', \
         'phy:/dev/vg0/vm_superchunk-swap,xvda2,w' ];]]></description>
		<wfw:commentRss>http://backdrift.org/xen-pvgrub-howto/feed</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>How to Hot Add/Remove Memory from a Xen Domain</title>
		<link>http://backdrift.org/xen-memory-hot-add-and-remove</link>
		<comments>http://backdrift.org/xen-memory-hot-add-and-remove#comments</comments>
		<pubDate>Thu, 19 Mar 2009 02:22:52 +0000</pubDate>
		<dc:creator>Keith</dc:creator>
				<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[high availability]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[Virtualization]]></category>
		<category><![CDATA[Xen]]></category>

		<guid isPermaLink="false">http://backdrift.org/dist/wordpress/?p=48</guid>
		<description><![CDATA[Overview Xen 3+ supports memory &#8220;ballooning&#8221; which allows you to hot add and remove memory from a running system. It is a nice feature and has come in handy for me on many occasions. Memory Hot Remove Example Lets say I have a virtual machine named foo which I&#8217;ve given 1024 megs of ram. One [...]]]></description>
		<wfw:commentRss>http://backdrift.org/xen-memory-hot-add-and-remove/feed</wfw:commentRss>
		<slash:comments>2</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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