newbie questions
Heinz Mauelshagen
mauelshagen at redhat.com
Mon Aug 30 15:49:11 UTC 2004
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 --
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Heinz Mauelshagen Red Hat GmbH
Consulting Development Engineer Am Sonnenhang 11
56242 Marienrachdorf
Germany
Mauelshagen at RedHat.com +49 2626 141200
FAX 924446
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