[Bug 1206238] Re: grub2 LVM support does not handle MD raid1 style mirrored volumes, completely ignoring such volumes

2020-05-06 Thread Marcus Tomlinson
This issue has sat incomplete for more than 60 days now. I'm going to
close it as invalid. Please feel free re-open if this is still an issue
for you. Thank you.

** Changed in: grub2 (Ubuntu)
   Status: Incomplete => Invalid

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Title:
  grub2 LVM support does not handle MD raid1 style mirrored volumes,
  completely ignoring such volumes

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[Bug 1206238] Re: grub2 LVM support does not handle MD raid1 style mirrored volumes, completely ignoring such volumes

2020-03-05 Thread Marcus Tomlinson
This release of Ubuntu is no longer receiving maintenance updates. If
this is still an issue on a maintained version of Ubuntu please let us
know.

** Changed in: grub2 (Ubuntu)
   Status: Triaged => Incomplete

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Title:
  grub2 LVM support does not handle MD raid1 style mirrored volumes,
  completely ignoring such volumes

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[Bug 1206238] Re: grub2 LVM support does not handle MD raid1 style mirrored volumes, completely ignoring such volumes

2015-08-15 Thread Vadim
bug fixed in upstream grub2 git repo:
http://savannah.gnu.org/bugs/?44534

** Bug watch added: GNU Savannah Bug Tracker #44534
   http://savannah.gnu.org/bugs/?44534

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Title:
  grub2 LVM support does not handle MD raid1 style mirrored volumes,
  completely ignoring such volumes

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[Bug 1206238] Re: grub2 LVM support does not handle MD raid1 style mirrored volumes, completely ignoring such volumes

2013-10-30 Thread Colin Watson
Andy's pointed me at the code in question; it's clear that support is
simply missing.

** Changed in: grub2 (Ubuntu)
   Importance: Undecided = Medium

** Changed in: grub2 (Ubuntu)
   Status: Incomplete = Triaged

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Title:
  grub2 LVM support does not handle MD raid1 style mirrored volumes,
  completely ignoring such volumes

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[Bug 1206238] Re: grub2 LVM support does not handle MD raid1 style mirrored volumes, completely ignoring such volumes

2013-10-30 Thread Andy Whitcroft
It is hard to get the machine in question into this state again, to get
the explicit output from the grub ls command.  It would list all my
partitions other than the one which was switched to raid1, which was
absent en-toto.

As for configuration.  This is a pure LVM setup, using the MD raid
personality for raid:1 underneath.  There is no mdadm configuration as
they are built by LVM.  Looking at that device in dmsetup table it looks
something like this:

datavg-home: 0 524288000 raid raid1 3 0 region_size 1024 2 252:6
252:7 252:8 252:9

So it drops into the following piece of grub_lvm_detect():

  else if (grub_memcmp (p, raid, sizeof (raid) - 1)
   == 0  (p[sizeof (raid) - 1] = '4'
 p[sizeof (raid) - 1] = '6')
p[sizeof (raidX) - 1] == '')
{

Not that this specifically only handles three types of raid:N 4, 5, and
6.  With this form of symetric mirroring we have raid:1.

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Title:
  grub2 LVM support does not handle MD raid1 style mirrored volumes,
  completely ignoring such volumes

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[Bug 1206238] Re: grub2 LVM support does not handle MD raid1 style mirrored volumes, completely ignoring such volumes

2013-09-17 Thread Andy Whitcroft
@Phillip -- all of the LVM objects other than the ones of type RAID1, it
simply has no support for knowing they are valid nor how to read them.

** Changed in: grub2 (Ubuntu)
   Status: Incomplete = Confirmed

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Title:
  grub2 LVM support does not handle MD raid1 style mirrored volumes,
  completely ignoring such volumes

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[Bug 1206238] Re: grub2 LVM support does not handle MD raid1 style mirrored volumes, completely ignoring such volumes

2013-09-17 Thread Phillip Susi
Please explicitly list the output rather than summarize it, as well as
describe your configuration.  Do you have lvm on top of md raid, or are
you having lvm do the mirroring?  Please show the output of mdadm -D on
the raid1.


** Changed in: grub2 (Ubuntu)
   Status: Confirmed = Incomplete

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Title:
  grub2 LVM support does not handle MD raid1 style mirrored volumes,
  completely ignoring such volumes

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[Bug 1206238] Re: grub2 LVM support does not handle MD raid1 style mirrored volumes, completely ignoring such volumes

2013-07-30 Thread Phillip Susi
What devices does the ls command at the grub prompt show?


** Changed in: grub2 (Ubuntu)
   Status: New = Incomplete

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Title:
  grub2 LVM support does not handle MD raid1 style mirrored volumes,
  completely ignoring such volumes

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