Re: [gentoo-user] boot failure using root=LABEL=RAID1root but not LABEL=RAID6root

[J. Roeleveld]

Mark Knecht <markknecht@×××××.com> wrote:

>On Mon, Dec 31, 2012 at 2:28 PM, Bruce Hill
><daddy@×××××××××××××××××××××.com> wrote:
>> On Mon, Dec 31, 2012 at 02:09:35PM -0800, Mark Knecht wrote:
>>>
>>> I don't know if you're right but it makes sense. If I need e2label
>to
>>> read labels from the CLI then I probably need all the same stuff in
>>> the initramfs which this one doesn't have.
>>>
>>> The problem I have with that idea is that all I put in the RAID6
>which
>>> does have an initramfs is e2fsck, not e2label or anything else.
>>> However maybe e2fsck has that capability and that's why it's
>working?
>>>
>>> Good catch!
>>>
>>> Thanks, and best wishes for the new year and a safe New Year's eve
>to all.
>>>
>>> Cheers,
>>> Mark
>>
>> I've deleted your OP (sorry), but also, the kernel autodetects RAID
>using
>> metadata 0.90 superblocks, but not 1.2 superblock (seems your output
>had some
>> of each?).
>> --
>
>Hi Bruce,
>   Yes, in the first and older Gentoo build I'm letting the kernel
>autodetect RAID1 to find /. That's the install that does NOT work
>mounting by label.
>
>   In the second install I use an initramfs, / is on a RAID6 and is
>not autodetected. Rather I assemble the RAID6 within the initramfs
>using mdadm --assemble ####. The initramfs has both e2fsck & mdadm so
>it's able to assemble the RAID. It's also able to mount by label
>without any problems.
>
>   Joost is suggesting that there might have been a thread earlier
>this year that said you must use an initramfs to mount by label, but I
>cannot find any grub documentation that supports that, and so far have
>not discovered the thread he's remembering.
>
>HTH, and thanks!
>Mark

Found it.

Topic: [gentoo-user] Gentoo Installation, Kernel Panic

Was around 20th of July.


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