Re: [Xen-API] Attach CD or Removable Devices

[Grant McWilliams <grantmasterflash@xxxxxxxxx>]

On Fri, Dec 7, 2012 at 3:18 AM, Paul Pridt <p.pridt@xxxxxxxxx> wrote:

Hi,
I am looking for a way to attach a physical CD drive or a USB-attached hard drive to a VM.
I know that Citrix Xenserver does that through special udev-SRs. There you even can attach an internal hard drive with the help of an udev rule that creates the vdi.
Has anybody a running solution?
My system is Ubuntu 12.04 with xcp-xapi.

--
Regards,
Paul

What is it exactly you're trying toÂaccomplish? I'd start by checking /etc/udev/rules.d/58-xapi.rules for events and check the scripts that it runs.Â

58-xapi.rules

# Skip devices which fail the local sharing check (to filter out root/mounted devices)

ACTION="" PROGRAM!="/opt/xensource/libexec/check-device-sharing %k", GOTO="end_xapi"

ACTION="" SYMLINK+="xapi/block/%k"

ACTION="" RUN+="/bin/sh -c '/opt/xensource/libexec/local-device-change %k 2>&1 >/dev/null&'"

ACTION="" RUN+="/bin/sh -c '/opt/xensource/libexec/local-device-change %k 2>&1 >/dev/null&'"

Part of /opt/xensource/libexec/local-device-change

Âfor SR in `xe sr-list type=udev sm-config:type=block uuid=${LOCAL_SR} params=uuid --minimal`

   do

    xe vdi-introduce uuid=`uuidgen` sr-uuid=${SR} type=user location=/dev/xapi/block/${DEVICE}

Âdone

Read the whole scripts of course but this might get you started.

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