Re: hotplug for klibc utils

[Hannes Reinecke <hare@suse.de>]

Arnd Bergmann wrote:
> Several people have run into problems when attaching large disk arrays to
> a mainframe because of running /sbin/hotplug as a bash script takes far
> longer than the interval between hotplug events.
> 
> Attaching more than 300 devices at once will cause an out-of-memory
> condition and the kernel starts killing random processes.
> 
> Running only udev instead of hotplug from the kernel is fast enough.
> 
> The shell version currently does:
> 
>>DIR="/etc/hotplug.d"
>>for I in "${DIR}/$1/"*.hotplug "${DIR}/"default/*.hotplug ; do
>>        if [ -f $I ]; then test -x $I && $I $1 ; fi
>>done
>>exit 1;
> 
And so it does.

Just to double-check:
does this program also works for cases where the files in
/etc/hotplug.d/default
are scripts themselves?
Can't really see how this will help, since in that case we will have to 
start bash anyway ... but what do I know ...

Cheers,

Hannes
-- 
Dr. Hannes Reinecke			hare@suse.de
SuSE Linux AG				S390 & zSeries
Maxfeldstraße 5				+49 911 74053 688
90409 Nürnberg				http://www.suse.de


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