On Oct 6, 2008, at 22:33 , Ross Walker wrote:
On Mon, Oct 6, 2008 at 12:38 PM, Pim van Riezen <pi
+lists@xxxxxxxxxxxx> wrote:
On Oct 6, 2008, at 12:45 , Pim van Riezen wrote:
Good Day,
We're testing the Xen3.1 branch used on CentOS5 with a win2k8 hvm
guest.
Unfortunately, it seems like disks exported with phy from an lvm-
backed
partition show up in the windows installer with a size of 0 bytes.
Is this a
known issue and/or is there a workaround?
I upgraded from the CentOS xen package to Xen-3.2 built from the
xensource
rpms and the problem went away.
Ok, good to know, but it would be nice to know why stock RH Xen has
the LVM problem... Oh, well.
I've got two nodes connected to that FC fabric, so if there's
something interesting to test I can still give it a whirr on the
original RedHat xen. I don't think pointing it to the /dev/mapper/
device node is going to do much good, though. The issue is that "phy:"
images go through the xenblk back-end driver where "file:" images are
fed directly to qemu. Since xenblk has no issue with accessing LV
nodes on paravirtualized guests, I am assuming the issue is in the
communication between qemu-dm and xenblk. Anyway, this is the lvs
output:
vps001swap vpsswap-003 -wi-a- 256.00M
animage vpsvg-005 -wi-a- 1.00G
img_store vpsvg-005 -wi-a- 100.00G
sdb_conf vpsvg-005 -wi-a- 4.00M
sdb_hardy vpsvg-005 -wi-a- 4.00M
sdb_laurel vpsvg-005 -wi-a- 4.00M
vps001root vpsvg-005 -wi-a- 10.00G
win2k8 vpsvg-006 -wi-a- 20.00G
vps001swap/vps001root contain a paravirtualized guest that is
configured as:
disk = [ 'phy:vpsvg-005/vps001root,sda1,w', 'phy:vpsswap-003/
vps001swap,sda2,w' ]
without incident. The win2k8 hvm guest, if I follow the xend log
correctly, spawns a vbd instance just fine for the devicenode if I
feed it "phy:vpsvg-006/win2k8". I'm on a shitty connection right now,
so I can't really test stuff that requires vnc right now, but I'll see
if pointing it directly to /dev/mapper/vpsvg--006-win2k8 will do any
good.
Cheers,
Pi
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