Gentoo Archives: gentoo-user

From: Michael Mol <mikemol@×××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] The End Is Near ... or, get the vaseline, they're on the way!
Date: Sun, 18 Mar 2012 07:56:09
Message-Id: CA+czFiA9qF6u7wx0FtpzdTa=K=Q+bhnd48nPhzobPqSDb2FOxw@mail.gmail.com
In Reply to: Re: [gentoo-user] The End Is Near ... or, get the vaseline, they're on the way! by "Bruce Hill
1 On Sun, Mar 18, 2012 at 3:26 AM, Bruce Hill, Jr.
2 <daddy@×××××××××××××××××××××.com> wrote:
3 >
4 >
5 >
6 > On March 18, 2012 at 2:30 AM Michael Mol <mikemol@×××××.com> wrote:
7 >
8 >> On Sat, Mar 17, 2012 at 11:57 PM, Bruce Hill, Jr.
9 >> <daddy@×××××××××××××××××××××.com> wrote:
10 >> >
11 >> >
12 >> >
13 >> > On March 17, 2012 at 8:43 PM Mark Knecht <markknecht@×××××.com> wrote:
14 >> >
15 >> > <snip>
16 >> >> initramfs side of things. I did have to use one to bring up my server
17 >> >> with / on a RAID6, not because I needed it long term but in the short
18 >> >> term I couldn't determine how mdadm was numbering the RAID so that I
19 >> >> could get grub.conf correct. I'm somehow a bot worried something is
20 >> >> going to slip by the devs and I'd be better off having an initramfs
21 >> >> already running on the box when I do allow the upgrades.
22 >> >>
23 >> >> Planning on giving Dracut a try.
24 >> >>
25 >> >> Thanks,
26 >> >> Mark
27 >> >>
28 >> >
29 >> >
30 >> > The real short of this is that if you use 0.90 superblocks, and /boot
31 > on
32 >> > it's own little partition, your kernel can assembly your
33 >> > RAID<whateverlevel> without an initrd image. You will reboot with the
34 >> > /dev/md0 you created as /dev/md0. And unless you have partitions (or is
35 > it
36 >> > single drives) over 2TB, you can use metadata=0.90.
37 >> >
38 >> > As they say, Works For Me (R).
39 >> >
40 >> > I've yet to read a simple explanation of HOW-TO do this in a Gentoo doc
41 >> > (not that it doesn't exist), but you can follow this very simple
42 >> > README_RAID used in Slackware to build them on Gentoo:
43 >> >
44 >> > http://slackware.oregonstate.edu/slackware64-current/README_RAID.TXT
45 >>
46 >> I recall reading on this list a week or two ago that kernel
47 >> autoassembly of 0.90 arrays was deprecated. :(
48 >>
49 >> --
50 >> :wq
51 >>
52 >
53 > Works on my computers.
54
55 And mine. But 'deprecated' means 'this may go away in the future'.
56
57 --
58 :wq

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