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xen-devel
RE: [Xen-devel] single kernel for xen0 & xenU
That being true then, is there any particular reason why we have
separate kernels?
Simply because (with default settings) the XenU kernel is 30% smaller.
> There haven't been any API changes for some time.
That's good to know.
After the 2.0 release, we'd seek to keep APIs / ABIs stable and just fix
bugs or add minor features that don't tread on anything pre-existing.
Do you have any opinion on how best to organise it? Currently I have 1
iscsi target (running linux) and 2 xen physical hosts. The target
currently exports lvm logical volumes which the xenU domains see as
physical disks with a partition table etc. This works well within the
domains but accessing them for maintenance outside is a right pain.
In principle, dom0 should be able to export VBDs to itself, then you could
see the partitions inside. I don't know if this works at the moment but it
seems doable... Anyone tried this?
How do you import the partitions into Dom0 such that they can be
exported into DomU? Do you run into problems if multiple physical
machines see the same iscsi disks? What if multiple physical machines
see the same volume group?
I'd import the iSCSI disks in dom0 and then export that device as if it
were a physical device. i.e. if you've imported to dom0 as /dev/foobar then
put export 'phy:/dev/foobar,/dev/target_dev,w' in the domain config file.
This could be automated using a shell script (as for file disks and nbd
disks) if you feel like saving time, then you could just have
'iscsi:host:whatever,/dev/target_dev,w'... There's examples under
/etc/xen/scripts/ but we can help you out.
HTH,
Mark
Thanks
James
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