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Re: [Xen-users] Do I need to specify swap parition for domU?



specify the swap LV just like you did the root LV. As far as your guest knows, its a disk or partition just like another other LV you export. Then once you are in the DomU, add a swap line pointing to that disk in your /etc/fstab
ie   /dev/hda2      swap         swap   defaults        0     0

then just
mkswap /dev/hda2
swapon -a




Liang Yang wrote:
Hi Tim,

Thank you for your reply. However, I would like to use logic volumes directly instead of using file backed disk partition for swap partition. For example, I created two logic volumes, LogVol00 is reserved as the swap partition for domU (1GB)(I copied the whole RedHat filesystem to LogVol01 as the / for domU). But I don't know how to specify LogVol00 in xen config file as the swap partition for domU.

Could you shed more lights on this issue?

Thanks,

Liang

----- Original Message ----- From: "Tim Wood" <twwood@xxxxxxxxx>
To: "Liang Yang" <multisyncfe991@xxxxxxxxxxx>
Cc: <xen-users@xxxxxxxxxxxxxxxxxxx>
Sent: Thursday, September 07, 2006 11:58 AM
Subject: Re: [Xen-users] Do I need to specify swap parition for domU?


You don't need to setup a swap partition, but it is generally a good idea.

If you are using file backed disk partitions, you can create one like so:

dd if=/dev/zero of=vmSwapFile bs=1k seek=512k count=1
mkswap vmSwapFile

That will make a 512 MB swap file named "vmSwapFile"

On 9/7/06, Liang Yang <multisyncfe991@xxxxxxxxxxx> wrote:
Hi,

I just have a question about setting up domU, except the filesystem, do I
need to create a swap partition for the domU? How to do it?

Thanks,

Liang


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