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Bug#608965: installation-reports: Squeeze Beta2 Net Install RAID6 not created but no error displayed

Package: installation-reports
Severity: normal

-- Package-specific info:

Boot method: CD
Image version: http://cdimage.debian.org/cdimage/squeeze_di_beta2/i386/iso-cd/debian-squeeze-di-beta2-i386-netinst.iso
Date: January 4, 2011

Machine: Asus P4C800-E Deluxe motherboard
Partitions: <df -Tl will do; the raw partition table is preferred>
/dev/sda1 RAID 250GB
/dev/sdb1 RAID 250GB
/dev/sdc1 RAID 250GB
/dev/sdd1 RAID 250GB

Base System Installation Checklist:
[O] = OK, [E] = Error (please elaborate below), [ ] = didn't try it

Initial boot:           [O]
Detect network card:    [O]
Configure network:      [O]
Detect CD:              [O]
Load installer modules: [O]
Detect hard drives:     [O]
Partition hard drives:  [E]
Install base system:    [O]
Clock/timezone setup:   [O]
User/password setup:    [O]
Install tasks:          [E]
Install boot loader:    [ ]
Overall install:        [E]


>From the manual partition screen I created four partitions across four 
drives all 250GB and all "use as physical volume for RAID" with bootable 
flag on.

I chose Configure software RAID and then selected RAID6.

I selected /dev/sda1 /dev/sdb1 /dev/sdc1 /dev/sdd1 (the four 250GB RAID
partitions) as the active devices and selected nothing for the 
single spare device (which I intend to add later.)

Result: While it appears to create a RAID device and takes you back to
the software RAID configuration menu. When you say finish and go back to 
the main manual partitioning screen, there is no /dev/md0 device listed 
(or any RAID device at all). It just fails to create it, but does so 
silently without giving any error.

Expected Result: There should have been a /dev/md0 device created or an
error should have been reported.

Note: I was able to go to the shell and manually create a RAID6 from
there and then return to the manual partition screen and it finally 
showed up. The command I used was, iirc:
mdadm --create --verbose /dev/md0 --level=6 --raid-devices=4 /dev/sda1
/dev/sdb1 /dev/sdc1 /dev/sdd1 --spare-devices=1 missing

Then I was able to create LVM on top of the RAID and proceed, although 
it did ultimately fail at software install. I'm wondering if this might 
be because the RAID array is not done building yet (as reported by cat 
/proc/mdstat from a shell, so I'm going to let it finish and try the 
software install again. 


Please make sure that the hardware-summary log file, and any other
installation logs that you think would be useful are attached to this
report. Please compress large files using gzip.

Once you have filled out this report, mail it to submit@bugs.debian.org.

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