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Bug#771301: cannot mount /usr if INITRDSTART in /etc/default/mdadm does not include the necessary device



On Thu, 2015-03-05 at 22:10 +0100, Christoph Anton Mitterer wrote:
> Hey.
> 
> I'm a bit disturbed by seeing such a regression added so shortly before
> release.
> 
> AFAIU the NEWS entry:
> >* If the /usr filesystem is on a RAID device and the INITRDSTART
> >   setting in /etc/default/mdadm is not 'all', you will need to change
> >   it to include that device.
> 
> the value (which defaults to "none") needs now to be changed on all
> systems whose /usr is on a MD device.

Note that this actually describes a change made in 0.117, not in 0.119.

> But so far, this situation (at least mine, where *everything* is on one
> single MD device) has been detected just perfectly well.

Reconfiguration is only required if /usr is on a RAID device and / is
not on that same device.  Can you suggest a better way to word this?

> I understand that one tries to make "more exotic" setups (e.g. /root not
> on MD but /usr on it) working,... in fact I've already wrote
> https://wiki.debian.org/AdvancedStartupShutdownWithMultilayeredBlockDevices years ago about the whole unfortunate situation in Debian.
> 
> But the above seems to go just one further step away from
> things-working-out-of-the-box™ and making another place mandatory to
> have boot device information configured.
[...]

The default is INITRDSTART=all and this continues to work.

Ben.

-- 
Ben Hutchings
Beware of programmers who carry screwdrivers. - Leonard Brandwein

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