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List: ataraid-list
Subject: Re: newbie questions
From: Kristiaan Verhoeven <kristiaan () billgatesisdead ! com>
Date: 2004-08-30 18:37:19
Message-ID: 20040830183720.5E101395A () sitemail ! everyone ! net
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Hello Heinz,
I gonna start now from scratch on a test machine.
First, i attach two identicale drive (2x10GB) to the onboard controller (PDC20276) in \
a mirror-raid (1x2 mirror), then I boot the FC2-DVD when it commes to disk-druid, I \
see two sepperate drives (no mirror). What need I do then, install FC2 on the first \
or second drive?
Second, I update my system with the latest kernel en source-code 2.6.8-1.521 , patch \
the kernel with the patch from http://sources.redhat.com/dm/patches.htm \
(2.6.8.1-udm1). Start menuconfig; Device drivers
---> Multi-device support (raid and LVM) ---> . What do I take then "built-in" or \
"module" for "RAID1 (mirroring mode)" and "device-mapper support"?
Third, recompile the kernel (make dep,clean, bzImage, modules, modules_install, \
install).Install the rpm from http://people.redhat.com/~heinzm/sw/dmraid/ \
(dmraid-1.0.0-rc3.i386.rpm), then reboot into the new kernel "2.6.8-1.521custom" and \
run "dmraid -ay"
Do I have this right?
Kind regards,
K.Verhoeven
--- Heinz Mauelshagen <mauelshagen@redhat.com> wrote:
On Sun, Aug 29, 2004 at 04:24:32AM -0700, Kristiaan Verhoeven wrote:
> Hello there everyone,
>
> I have a PDC20276 onboard, and I like to put this in a mirror raid. I have now \
> installed one drive(10GB)on the raid-controller(1+0 stripe). I had installed FC2 on \
> that drive, updated to the latest kernel 2.6.8-1.521, I also installed the \
> source-code of that kernel. Than I had read the dmraid readme file, I downloaded \
> 2.6.8.1-udm1 from http://sources.redhat.com/dm/patches.html did what the say:
> > cd /tmp
> > tar jxvf 2.6.8.1-udm1.tar.bz2
> > cd /usr/src/linux-2.6.8-1.521
> > cat /tmp/2.6.8.1-udm1/*.patch | patch -p1
>
> Questions:
>
> 1.Source-code is now patched, do i need recompile the kernel?
Yes, of course.
>
> 2.Howdo I enable device, including mirror?
You need to build dmraid or use the provided i386 RPM.
Run "dmraid -ay" after you build and booted the 2.6.8.1-udm1 kernel.
>
> 3.Is device mapper, userpace installed by default in a 2.6 kernel, I can
> only find source tarballs for kernel 2.4 at http://sources.redhat.com/dm/
Userspace source code on sources.redhat.com for device-mapper is
for 2.4 and 2.6.
It only says that the userspace tarball include some specific
2.4 kernel patches as well. Ignore them if you play with 2.6.
>
> 4.When do I need to install the second drive, to put them in a mirror-raid, afther \
> I installed the software or before?
Put the 2nd drive in the set using the BIOS.
Boot and run "dmraid -ay"
>
> Kind regards,
>
> K.Verhoeven
>
>
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--
Regards,
Heinz -- The LVM Guy --
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Heinz Mauelshagen Red Hat GmbH
Consulting Development Engineer Am Sonnenhang 11
56242 Marienrachdorf
Germany
Mauelshagen@RedHat.com +49 2626 141200
FAX 924446
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