Re: [Xen-users] Xen guest swap use

["John Fairbairn" <webmaster@xxxxxxxxxxxx>]

I use file backed, but here's what i do for swap..
disk =
['file:/XEN/images/CentOS-4.0.img,sda1,w','file:/XEN/images/swapfile.img,sda2,w']

then in the xenU's fstab, make the appropriate swap entry.

/dev/sda2   swap   swap   defaults        0 0

I would think you'd just have to adjust the file: line to your setup.
Hope that helps some.

John

> Since Xen has trouble identifying all partitions on a virtual disk, what
> does it do about the swap partition (if present on the virtual disk). Does
> that need to be specified explicitly in the
> configuration option?
>
> Arijit
>
> On 5/26/05, Paul Jakma <paul@xxxxxxxx> wrote:
>>
>> On Thu, 26 May 2005, Arijit Ganguly wrote:
>>
>> > Is it possible for Xen itself to detect the preexisting partitions
>> > (which we have created from domain 0) on the device we are trying
>> > to connect. Something like:
>> >
>> > [phy:/dev/sda,/dev/hda, 'w'], just mapping some device to a virtual
>> > physical device on guest. The ghuest OS be able to detect the
>> > partitions drawn on /dev/sda from domain 0 I tried but does't seem
>> > to work.
>>
>> http://bugzilla.xensource.com/cgi-bin/bugzilla/show_bug.cgi?id=43
>>
>> > a. The device would appear as /dev/hda0 and not as /dev/hda.
>> > b. fdisk even shows the partitions on the /dev/hda0, but /dev file
>> system
>> > doesn't have any corresponding devices.
>>
>> It does seem to find the first partition, just doesnt scan for any
>> others.
>>
>> I'd like to be able to assign whole disks to domU's and have domU's
>> handle partitioning particularly so that Linux extX fs labels aren't
>> visible to the dom0. And to simplify management of disks.
>>
>> regards,
>> --
>> Paul Jakma paul@xxxxxxxx paul@xxxxxxxxx Key ID: 64A2FF6A
>> Fortune:
>> If you find a solution and become attached to it, the solution may
>> become
>> your next problem.
>>
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