[dm-devel] multipath-0.5.0 still provides broken udev rules

Christophe Varoqui christophe.varoqui at opensvc.com
Mon Apr 25 12:56:35 UTC 2016


Hi,

Those example udev rules are indeed unmaintained and should be removed not
to confuse distributors.

Distributors can't be asked to agree on a common udev ruleset. Ben, Hannes,
Xosé, Peter are you ok with my deleting the udev rules example ?

Best regards,


On Mon, Apr 25, 2016 at 2:32 PM, Zdenek Kabelac <zkabelac at redhat.com> wrote:

> On 25.4.2016 14:10, Peter Volkov wrote:
>
>> On Mon, Apr 25, 2016 at 1:58 PM, Zdenek Kabelac <zkabelac at redhat.com
>> <mailto:zkabelac at redhat.com>> wrote:
>>
>>     On 25.4.2016 12:52, Peter Volkov wrote:
>>
>>         There is a problem: udev does not create partitions for multipath
>>         devices in
>>         case I use kpartx.rules provided with multipath sources. I found
>> that udev
>>         always go to kpartx_end after following line of rules:
>>         ENV{DM_TABLE_STATE}!="LIVE", GOTO="kpartx_end"
>>
>>
>>     Just curious - what would you want to do with inactive table???
>>
>>
>> Actually don't understand what's this table and what's wrong with that.
>> There
>> is no traces of DM_TABLE_STATE variable in lvm2 sources. Yet there is such
>> variable in udev rules file that comes with multipath sources:
>>
>> http://git.opensvc.com/gitweb.cgi?p=multipath-tools/.git;a=blob;f=kpartx/kpartx.rules;h=022361f907e873ac16fc75459b88af34b27576e5;hb=HEAD
>>
>
>
> So you would need to figure out which rules would have set  DM_TABLE_STATE
> before ?  (I assume such have never existed...)
>
> In Fedora/RHEL  these  kpartx.rules are not packaged as they are likely
> some 'ancient' rules - IMHO  most of that file is useless on today's
> distros.
> (Unsure about dm-wwn logic???)
>
> So it's rather question for upstream kpartx maintainer why these rules
> are not maintained in any way.
>
> Vars like DM_TABLE_STATE are simply not created by dm rules.
>
> kpartx rules comes from year 2007, while dm rules started to be maintained
> in 2009 - that may explain few things as well...
>
> That's Gentoo. But I think any distro that uses whatever upstream prepares
>> have this problem.
>>
>>     Have you opened any bugzilla anywhere ?
>>
>>
>> Not yet. I'd like to understand what needs to be done first.
>>
>>
> Likely Gentoo should not install obsoleted udev rules file.
>
> Regards
>
> Zdenek
>
> PS: I could be wrong here - since I've nothing in common with multipath,
> so in such case - feel free to correct me....
>
>
>
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>
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