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Bug#787521: initramfs-tools: wrong order of md and dm raid modules in initrd,



Control: reassign -1 dmsetup

On Tue, 02 Jun 2015 15:09:56 +0200 jo <bugs@supernover.de> wrote:
> Package: initramfs-tools
> Version: 0.120
> Severity: important
> 
> After the update from wheezy to jessie this system didn't boot
anymore; it stuck with the (initramfs) prompt. The situation was very
similar to other bugs, whose solution was addressed with bug #678696:
> 
> - /dev/disk/by-uuid/ wasn't created
> - Error message "Gave up waiting for the root device"
> - Error message ALERT! /dev/disk/by-uuid/-xy- does not exist
> - (initramfs) prompt
> 
> I found out I could arrive at a mountable md0 with a rescue system
using modules dm_mod and md_mod (etc.). (Yes; there's an md raid on top
of a dm raid. Don't ask me; the system is inherited.) The order was
decisive here; if I loaded md raid before dm raid, I arrived at
unusable devices md126 and md127, which I couldn't mount and which
didn't have a blkid.
[...]

I don't believe this has ever been a supported configuration, and it
may have only worked by chance before.

In any case, setup of RAID devices is handled by scripts that come from
other packages, so I'm reassigning this to dmsetup.

Ben.

-- 
Ben Hutchings
Theory and practice are closer in theory than in practice.
                                - John Levine, moderator of comp.compilers

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