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xen-devel
Re: [Xen-devel] [PATCH] Allow Xend to find device number for sdX or hdX
On 14 Jan 2005, at 22:00, Anthony Liguori wrote:
Symptom:
When using a udev-based dom0, if you try to create a domU with a
virtual
sda device and you do not have a local scsi device xm create fails.
Fix:
When using udev, only the device nodes needed are made. The follow
patch changes Xend to return a device number based on:
http://www.lanana.org/docs/device-list/devices.txt
For sd and hd devices if stat() fails. It was tested against both
2.0.2
and 2.0.3.
Another solution is to tell udev to automatically create /dev/sda1
every time it gets started:
# mknod /etc/udev/devices b 8 1
When udev starts, all device files inside /etc/udev/devices are
automatically copied to /dev, with no further configuration or
triggering of hotplug or coldplug events.
NOTE: This is what I use for VMware, which needs a lot of /dev/vm*
devices to function properly: I moved all VMware-specific device files
into /etc/udev/devices so when udev starts, those files are copied back
to /dev.
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