[patch] RAID 0/1/4/5 release, raid-2.4.0-test1-ac15-B4

From: Ingo Molnar (mingo@elte.hu)
Date: Mon Jun 12 2000 - 07:02:33 EST


you can find the latest 2.4 RAID code at:

        http://www.redhat.com/~mingo/raid-patches/raid-2.4.0-test1-ac15-B4

this is against the latest Alan Cox kernel (ac15), which can be found at:

        http://www.kernel.org/pub/linux/kernel/people/alan/2.4.0test

which is against the stock 2.4.0-test1 kernel. I'd urge every 2.4 RAID
user to upgrade to the ac- kernels and this RAID patch, as it fixes
critical bugs. Users of the production 2.2-based RAID code should not
upgrade yet.

this release contains most of the fixes from Neil Brown and Jakob
Oestergaard. (thanks Neil and Jakob!) (i've cleaned up those patches and
fixed bugs in them as well) It also contains the onliner bugfix from Anton
Altaparmakov.

This RAID release finally also adds Mika Kuoppala's RAID1 read balancing
code, which is a great speedup for RAID1 systems. (cool stuff Mika!)

if any bug is still present in this release then please resend the
bugreport. Please resend patches if any of them didnt make it in (it's
likely due to cleanness issues.)

i'm also very interested in slowdowns relative to 2.2+latest_RAID, for all
RAID levels - does it still happen with this patchset as well?

i've tested the patch and it's stable under all circumstances i could
reproduce - be careful nevertheless. (RAID0/RAID1/RAID5 under SMP is
tested)

        Ingo

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