Re: newbie questions

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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@xxxxxxxxxx                            +49 2626 141200
                                                       FAX 924446
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