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Feizhou

2005-Jun-06 08:05 UTC

[CentOS] anaconda in centOS 4 fails to read md raid arrays

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')

Johnny Hughes

2005-Jun-06 10:35 UTC

head link

[CentOS] anaconda in centOS 4 fails to read md raid arrays

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. 

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.  

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.
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Feizhou

2005-Jun-07 07:10 UTC

head link

[CentOS] anaconda in centOS 4 fails to read md raid arrays

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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