[Bug 1093918] Re: grub-probe auto-detection fails on raid

[Ing. Josef Klotzner]

Does it mean it is already fixef in 12.04.3 and newer?
Am 09.01.2014 16:13 schrieb "Phillip Susi" <psusi at ubuntu.com>:

> ** No longer affects: multipath-tools (Ubuntu Quantal)
>
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> report.
> https://bugs.launchpad.net/bugs/1093918
>
> Title:
>   grub-probe auto-detection fails on raid
>
> Status in “multipath-tools” package in Ubuntu:
>   Fix Released
> Status in “multipath-tools” source package in Precise:
>   Fix Committed
>
> Bug description:
>   kpartx was mapping the entire extended partition then stacking the
>   logical partitions on that device.  This exposes a device that
>   otherwise appears to be an entire disk device containing the logical
>   partitions, and this confuses grub.  The extended partition is
>   supposed to only expose the first two sectors to allow LILO to be
>   installed.
>
>   The patch has been applied upstream now, and since this is the only
>   change since quantal, a simple copy to quantal-updates should resolve
>   it there as well.  I have done this in my ppa and the reporter has
>   verified it has fixed the issue.
>
>   TEST CASE:
>
>   Use fdisk to create an extended parition either on a fakeraid disk or
>   an LVM logical volume.  Run kpartx -a /dev/mapper/whatever to activate
>   the partitions on the disk.  Assuming the extended partition is number
>   3, then sudo blockdev --getsz /dev/mapper/whatever3 will report the
>   apparent size of the extended partition.  The size should only be 2
>   sectors regardless of the size of the extended partition.
>
> To manage notifications about this bug go to:
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> https://bugs.launchpad.net/ubuntu/+source/multipath-tools/+bug/1093918/+subscriptions
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https://bugs.launchpad.net/bugs/1093918

Title:
  grub-probe auto-detection fails on raid

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