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Re: [Xen-users] How to setup swap

from [Mark Williamson]

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To:	xen-users@xxxxxxxxxxxxxxxxxxx, eduguay@xxxxxxxxxxxxxxxxxxxx
Subject:	Re: [Xen-users] How to setup swap
From:	Mark Williamson <mark.williamson@xxxxxxxxxxxx>
Date:	Tue, 16 Aug 2005 15:28:26 +0100
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> Any ideas ?
>
> /dev/sda1               /                       ext3    defaults 1 1
> none                    /dev/pts                devpts  gid=5,mode=620 0 0
> none                    /dev/shm                tmpfs   defaults 0 0
> none                    /proc                   proc    defaults 0 0
> none                    /sys                    sysfs   defaults 0 0
> /dev/VolGroup00/SwapVM1 swap                    swap    default  0 0

You're running LVM in dom0, not in the guest, right?  In which case, the 
volgroup won't be visible to the guest.

Instead, add another entry in you disks list (in the domain config file), 
exporting this as another block device (like you did for the root).

e.g.

disks = [ 'file:/the/root.img,sda1,w', 'phy:/dev/VolGroup00/SwapVM1,sda2,w' ]

Configure "sda2" as swap in the guest.  Note that you must *never* share a 
swap device between multiple guests, or between the guest and the host.

Cheers,
Mark

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