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Re: [Xen-users] LVM?

To: Alan Murrell <alan@xxxxxxxxxx>
Subject: Re: [Xen-users] LVM?
From: Nico Kadel-Garcia <nkadel@xxxxxxxxx>
Date: Wed, 09 May 2007 18:54:50 +0100
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Alan Murrell wrote:
On May 03, 2007 09:50:36 Marcin Owsiany wrote:
The way I do it is create a /boot for GRUB, and a volume group taking up
the rest of the disk. On the VG, create just two small LVs for dom0 -
one for swap and another for root filesystem. Then you have the rest of
the VG for domUs, etc.

Why do you put the / ("root") partition n the LVM? What if something happens to the LVM "volume group", and renders your system completely unbootable??
Because you can resize such partitions more dynamically, and because RedHat's default instlallers readlly try to insist on doing this, and because by distributiong the LVM across multiple partitions you can noticeably improve performance.

Doing it inside the Xen instance is not as useful, though. Let Dom0 do the LVM!

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