Re: Raid Autodetect && 2.2.14

From: Jakob Østergaard (jakob@ostenfeld.dk)
Date: Tue Apr 04 2000 - 13:53:59 EST


On Tue, 04 Apr 2000, Michael Richardson wrote:

>
> My impression after trying to move a RH 6.1 system to 2.2.14 via
> rebuilding a kernel from scratch is that RH's 2.2.12 has the Raid Autodetect
> code in it, but it isn't in the stock distribution. Can someone confirm this?

RedHat has 0.90 RAID (with autodetect) in their ``stock'' kernel. 2.2.14
has the older RAID code in, because of compatibility concerns with 2.0 and
2.2 kernels.

The new RAID is currently being merged into 2.3 btw.

>
> Have they contributed the code somewhere? I rather wish we had used
> another distribution for this server, but our admin is most familliar with
> RH.

Latest patch for 2.2.14 (applies to 2.2.15pre16 as well with an easy
fixable reject in raid1.c):
     http://people.redhat.com/mingo

Documentation:
    http://ostenfeld.dk/~jakob/Software-RAID.HOWTO/

>
> While poking around, we were trying to mount the initrd again. Should
> this be possible? Is there anyway that the initrd can be told to hang around
> after boot so that one can diagnose what is really in that rd?

Huh ? Don't know - I haven't used initrd for a long time, as the 0.90
RAID allows you to boot with root fs on RAID without initrd :)

-- 
................................................................
: jakob@ostenfeld.dtu.dk  : And I see the elder races,         :
:.........................: putrid forms of man                :
:   Jakob Østergaard      : See him rise and claim the earth,  :
:        OZ9ABN           : his downfall is at hand.           :
:.........................:............{Konkhra}...............:

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