Re: [PATCH] Use udev rules to create dmraid /dev/mapper/ devices

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On 07/07/2015 01:41 PM, Harald Hoyer wrote:
> On 29.06.2015 19:36, Thomas Renninger wrote:
>> From: Hannes Reinecke <hare@xxxxxxxx>
>>
>> https://bugzilla.opensuse.org/show_bug.cgi?id=905746
>>
>> Version 2: Remove 64-md-raid.rules
>>
>> Signed-off-by: Thomas Renninger <trenn@xxxxxxx>
>> ---
>>  modules.d/90dmraid/dmraid.sh       | 2 --
>>  modules.d/90dmraid/module-setup.sh | 2 ++
>>  2 files changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/modules.d/90dmraid/dmraid.sh b/modules.d/90dmraid/dmraid.sh
>> index 3dcff38..cc4390f 100755
>> --- a/modules.d/90dmraid/dmraid.sh
>> +++ b/modules.d/90dmraid/dmraid.sh
>> @@ -26,8 +26,6 @@ if [ -n "$DM_RAIDS" ] || getargbool 0 rd.auto; then
>>                  if [ "${s##$r}" != "$s" ]; then
>>                      info "Activating $s"
>>                      dmraid -ay -i -p --rm_partitions "$s" 2>&1 | vinfo
>> -                    [ -e "/dev/mapper/$s" ] && kpartx -a "/dev/mapper/$s" 2>&1 | vinfo
>> -                    udevsettle
>>                  fi
>>              done
>>          done
>> diff --git a/modules.d/90dmraid/module-setup.sh b/modules.d/90dmraid/module-setup.sh
>> index e8de5f5..797a58e 100755
>> --- a/modules.d/90dmraid/module-setup.sh
>> +++ b/modules.d/90dmraid/module-setup.sh
>> @@ -74,6 +74,8 @@ install() {
>>  
>>      inst "$moddir/dmraid.sh" /sbin/dmraid_scan
>>  
>> +    inst_rules 66-kpartx.rules 67-kpartx-compat.rules
>> +
>>      inst_libdir_file "libdmraid-events*.so*"
>>  
>>      inst_rules "$moddir/61-dmraid-imsm.rules"
>>
> 
> Fedora does not have 66-kpartx.rules nor 67-kpartx-compat.rules ...
> 
> Heinz, do we need the kpartx part still?
> 
> I reverted to kpartx, because "dmraid" adds a "p" as a seperator by default for
> the partitions and this breaks existing installations.
> 

I would recommend splitting the kpartx call into a separate udev
rule; otherwise you'll run into timing issues with udev.

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		               zSeries & Storage
hare@xxxxxxxx			               +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton
HRB 21284 (AG Nürnberg)
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