[CentOS] anaconda in centOS 4 fails to read md raid arrays
Feizhou
feizhou at graffiti.net
Tue Jun 7 07:10:35 UTC 2005
Johnny Hughes wrote:
> On Mon, 2005-06-06 at 16:05 +0800, Feizhou wrote:
>
>>Has anybody encountered this problem?
>>
>>I have a box that has FC2 installed. I wanted to trash the FC2
>>installation and install CentOS 4.
>>
>>I have a pxeboot/dhcp/kickstart environment and so I tried automatic
>>disk partitioning (clear all partitions and then create new ones),
>>manual disk partitioning but everything else is automated and finally,
>>zero automation, just a manual installation through VNC.
>>
>>Once I reach a part that touchs disk, the process will stop and end up with:
>>
>> Traceback (most recent call last):
>> File "/var/tmp/anaconda-10.1.1.13//usr/lib/anaconda/gui.py", line
>>789, in nextClicked
>> self.dispatch.gotoNext()
>> File "/var/tmp/anaconda-10.1.1.13//usr/lib/anaconda/dispatch.py",
>>line 171, in gotoNext
>> self.moveStep()
>> File "/var/tmp/anaconda-10.1.1.13//usr/lib/anaconda/dispatch.py",
>>line 239, in moveStep
>> rc = apply(func, self.bindArgs(args))
>> File "/var/tmp/anaconda-10.1.1.13//usr/lib/anaconda/partitioning.py",
>>line 54, in partitionObjectsInitialize
>> partitions.setFromDisk(diskset)
>> File "/var/tmp/anaconda-10.1.1.13//usr/lib/anaconda/partitions.py",
>>line 140, in setFromDisk
>> diskset.startAllRaid()
>> File "/var/tmp/anaconda-10.1.1.13//usr/lib/anaconda/partedUtils.py",
>>line 542, in startAllRaid
>> DiskSet.mdList.extend(raid.startAllRaid(driveList))
>> File "/var/tmp/anaconda-10.1.1.13//usr/lib/anaconda/raid.py", line
>>106, in startAllRaid
>> mdList = scanForRaid(driveList)
>> File "/var/tmp/anaconda-10.1.1.13//usr/lib/anaconda/raid.py", line
>>56, in scanForRaid
>> (major, minor, raidSet, level, nrDisks, totalDisks, mdMinor) =\
>> File "/usr/lib/anaconda/isys.py", line 97, in raidsb
>> return raidsbFromDevice("/tmp/md")
>> File "/usr/lib/anaconda/isys.py", line 103, in raidsbFromDevice
>> rc = _isys.getraidsb(fd)
>>SystemError: (5, 'Input/output error')
>
>
> I had a similar problem with a ppc install on RHEL. I think (but I am
> not 100% positive) that it is a LVM1 / LVM2 compatibility issue.
No LVM here. As you can see from the traceback, it is all RAID related.
>
> What I had to do was use fdisk and wipe the partitions and then I
> recreated them in anaconda using the raid and lvm tools in anaconda.
You don't get good old fdisk via serial console or VNC...it is all
crappy disk druid or autopartition. I wish fdisk was still an option...
>
> I have never actually had that problem on CentOS-4, but it is the same
> code, so I'm sure it happens in C4 too.
well, the thing is, Fedora Core 2 reinstallation was a snap after the
botched CentOS 4 installation. kickstart all the way through.
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