Re: [Security-Discuss] [ MDKSA-2006:086 ] - Don't update the kernel on Soft-RAID-Sytems

On Sun, May 21, 2006 at 06:07:58PM +0200, Juergen Holm wrote:
>On Sun, 21 May 2006, Luca Berra wrote:
>>this is not 100% correct
>>with -18mdk /dev/md0 is registered when md is loaded
>>md != 0 are never registered at module loading
>>with -21mdk no /dev/md* devices are registered at module loading
>>-21mdk behaviour is the correct one (we should not register non-existent
>>devices)
>
>Agree. I didn't know this fact.
>Curious: the mdadm.conf of initrd of 21mdk has no auto=yes, but anyway..

mdassemble in initrd is a little bit different. it does not support
auto= flag, so initrd precreated the /dev/md* file.

>>>I think you should make an announce of this Bug on the sec announce
>>>list, to help other people not to run into the same problem.
>>The difficult thing would be find the correct wording to describe this
>>issue. 
>>In any case, discussion on the md development list is gearing to making
>>auto=yes the default, since too many people are getting bit by udev.
>
>Somethine like this:
>"users of softraid should ensure, that every ARRAY line in
>mdadm.conf contains
>			auto=yes
>
>before installing 21mdk. This is because of a change in registering  
>devices"
>
Luiz, can you ensure this is done?

L.

-- 
Luca Berra -- [email protected]
        Communication Media & Services S.r.l.
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