[klibc] Re: Exporting which partitions to md-configure
H. Peter Anvin
hpa at zytor.com
Tue Feb 7 07:46:59 PST 2006
Luca Berra wrote:
>
>> This, in fact is *EXACTLY* what we're talking about; it does require
>> autoassemble. Why do we care about the partition types at all? The
>> reason is that since the md superblock is at the end, it doesn't get
>> automatically wiped if the partition is used as a raw filesystem, and
>> so it's important that there is a qualifier for it.
>
> I don't like using partition type as a qualifier, there is people who do
> not wish to partition their drives, there are systems not supporting
> msdos like partitions, heck even m$ is migrating away from those.
>
That's why we're talking about non-msdos partitioning schemes.
> In any case if that has to be done it should be done into mdadm, not
> in a different scrip that is going to call mdadm (behaviour should be
> consistent between mdadm invoked by initramfs and mdadm invoked on a
> running system).
Agreed. mdadm is the best place for it.
> If the user wants to reutilize a device that was previously a member of
> an md array he/she should use mdadm --zero-superblock to remove the
> superblock.
> I see no point in having a system that tries to compensate for users not
> following correct procedures. sorry.
You don't? That surprises me... making it harder for the user to have
accidental data loss sounds like a very good thing to me.
-hpa
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