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Re: [Xen-users] Xen Image File vs LVM


  • To: "Javier Guerra" <javier@xxxxxxxxxxx>
  • From: "Michael March" <mmarch@xxxxxxxxx>
  • Date: Mon, 4 Aug 2008 13:01:43 -0700
  • Cc: Chris Edwards <cedwards@xxxxxxxxxxxxxxxx>, Grant McWilliams <grantmasterflash@xxxxxxxxx>, xen-users@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Mon, 04 Aug 2008 13:03:52 -0700
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  • List-id: Xen user discussion <xen-users.lists.xensource.com>

>
>> 3.        If I have a xen guest os in a LV how would I migrate the guest os
>> from one machine to the other?  Create identical LV on new machine?
>
> to migrate VMs, the storage has to be accessible from both machines
> with the same reference.  when using image files, that means a shared
> filesystem (NFS, GFS, OCFS, etc.), when using LVs, that means the VG
> must be accessible from both hosts, usually with a SAN or SAN-like
> setup (FC, iSCSI, drbd, AoE, (g)nbd, etc)

Is this for 'live' migrations or any migration of a VM?

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