Re: Error with kickstart and raid

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Lazic Aleksandar wrote:
Hi all,

we use a custom layout in ks preinstall script

---
clearpart --all --initlabel
part raid.01 --ondisk hdb --size=... --asprimary part raid.02 --ondisk
hdb --size=... --asprimary part raid.03 --ondisk hdb --size=...
part raid.04 --ondisk hdb --size=...
part swap --ondisk hdb --size
part /data/data1 --ondisk hdb --asprimary --size 1 --grow --fstype=ext3
part raid.11 --ondisk hdc --size=... --asprimary part raid.12 --ondisk
hdc --size=... --asprimary part raid.13 --ondisk hdc --size=...
part raid.14 --ondisk hdc --size=...
part swap --ondisk hdc --size
part /data/data2 --ondisk hdc --asprimary --size 1 --grow --fstype=ext3
raid /boot          --level=1 --device=md0 --fstype=ext3 raid.01 raid.11
raid /              --level=1 --device=md1 --fstype=ext3 raid.02 raid.12
raid /netavis       --level=1 --device=md2 --fstype=ext3 raid.03 raid.13
raid /var/lib/mysql --level=1 --device=md3 --fstype=ext3 raid.04 raid.14
---

After a test installation we want to make the final installation but we
get always the following error:

ValueError: md1 is already in mdList.

This is on a CentOS 5.1 installation.
I have try to add a:

os.system("mdadm -S /dev/md*")

But this wasn't th solution ;-(.

I have also try with --useexisting but in this stage there aren't any
md's?!

When I make a 'mdadm --detail -s' then I see only md1 not md0 on the
tty2.

Please can anybody help me :-)

The screenshots of the output are available under:

http://solutions.netavis.net/Part_error01.jpg
http://solutions.netavis.net/Part_error02.jpg
http://solutions.netavis.net/Part_error03.jpg

BR

Aleks

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This is a known bug, it happens when you are trying to install over a system that had raid in the past.  This issue is already solved in RHEL5.2. My advice to you is to format the HD before installation.  With the previously installed system, or put a %pre section in the kickstart that does that for you.

Regards

--
Joel Andres Granados
Red Hat / Brno, Czech Republic

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