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Re: [libvirt] [PATCH 10/11] Improve SCSI volume key and name generation



On Fri, Nov 12, 2010 at 08:06:32PM +0100, Paolo Bonzini wrote:
> On 11/12/2010 07:45 PM, Daniel P. Berrange wrote:
> >On Fri, Nov 12, 2010 at 07:32:05PM +0100, Paolo Bonzini wrote:
> >>On 11/12/2010 05:22 PM, Daniel P. Berrange wrote:
> >>>+{
> >>>+    const char *cmdargv[] = {
> >>>+        "/lib/udev/scsi_id",
> >>>+        "--replace-whitespace",
> >>>+        "--whitelisted",
> >>>+        "--device", dev,
> >>>+        NULL
> >>>+    };
> >>
> >>Does this needs to be "/lib/udev/scsi_id -gud<dev>" for RHEL5
> >>compatibility?  However, I can only get "scsi_id -gus /block/sda" to
> >>work on my RHEL5 installation, not "scsi_id -gud /dev/sda".
> >
> >I haven't checked RHEL5. If we can't rely on scsi_id to work the same way
> >across udev releases, then we could just pick a version of the code and
> >copy it into libvirt tree, stripping it down to only the function we
> >actually need. It isn't that much code and doing that's probably easier
> >than playing games with a tool that changes its calling conventions
> 
> With the caveat that it is GPLv2, not LGPLv2.

Yep, not a showstopper - we'd just do what we did with parted and set it
up as a helper program as /usr/libexec/libvirt_scsi_id

Regards,
Daniel
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