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Re: [rhel6-branch 4/4] mpath: filter out the slave devices and their partitions.



On Fri, Jan 07, 2011 at 02:04:15PM +0100, Ales Kozumplik wrote:
> On 01/06/2011 05:24 PM, David Lehman wrote:
> >Please do use udev_device_is_dm_mpath instead of adding another function
> >to do the same thing. I forgot that function had made it to
> >rhel6-branch.
> >
> >Dave
> 
> I said yesterday this is good, but now I've found one more thing we
> need to address first. I can not use udev_device_is_dm_mpath to test
> for a partition of an mpath device, the function uses
> udev_device_dm_subsystem_match() that looks at the first field in
> DM_UUID which is like "mpath-2003013842bcb000c" for multipath
> devices but "part1-mpath-2003013842bcb000c" for multipath
> partitions.
> 
> I could workaround this on rhel6 branch where there still is the
> disgraceful udev_device_is_multipath_partition(), but then I'd hit
> the problem on master where the function was removed.
> 
> I am thinking about solving this by adding a parameter to
> ude_device_dm_subsystem_match() that will make it skip the first
> DM_UUID field if it was 'part\d+'.

FYI, this is related to rhbz#634771, so a special check for ^part\d+ is
valid for RHEL but not Fedora.


-- 
Brian C. Lane | Anaconda Team | IRC: bcl #anaconda | Port Orchard, WA (PST8PDT)

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