Release criteria proposal: 'support' /boot on RAID
tomh0665 at gmail.com
Wed Nov 16 20:00:51 UTC 2011
On Wed, Nov 16, 2011 at 1:57 PM, Kevin Fenzi <kevin at scrye.com> wrote:
> On Wed, 16 Nov 2011 10:53:17 -0800
> Adam Williamson <awilliam at redhat.com> wrote:
>> On Wed, 2011-11-16 at 10:29 -0600, David Lehman wrote:
>> > On Wed, 2011-11-16 at 09:42 -0600, Bruno Wolff III wrote:
>> > > On Tue, Nov 15, 2011 at 21:42:40 -0600,
>> > > Chris Adams <cmadams at hiwaay.net> wrote:
>> > > > Old-grub also didn't support newer Linux-md metadata formats,
>> > > > so that should be explicitly mentioned (I don't know about
>> > > > grub2).
>> > >
>> > > grub1 supports md raid version 1.0 metadata. (That's the new one
>> > > with the meta data at the end of the partition.)
>> > Right. grub1 supports 0.90 and 1.0. grub2 supports 0.90, 1.0, 1.1,
>> > 1.2 AFAIK.
>> So, summary: with grub2 we should actually be able to support /boot on
>> RAID-0, RAID-1 or RAID-5, metadata 0.90, 1.0, 1.1 or 1.2? Is that
> When I upgraded my storage box and had to rebuild the /boot, I first
> tried 1.2 metadata, but it did not seem to work. So, I went back to
> 0.90 and it worked fine. We may want to confirm the support for 1.2
> before commiting to support it.
Debian and Ubuntu default to metadata v1.2 and grub2 can boot fine.
It's a weird, Fedora-specific problem.
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