[bug #33286] pre-loaded mdraid1x fails to detect md device on GPT (insmod works)

[Steven Newbury]

URL:
  <http://savannah.gnu.org/bugs/?33286>

                 Summary: pre-loaded mdraid1x fails to detect md device on GPT
(insmod works)
                 Project: GNU GRUB
            Submitted by: zeq
            Submitted on: Wed 11 May 2011 08:30:23 AM GMT
                Category: None
                Severity: Major
                Priority: 5 - Normal
              Item Group: Software Error
                  Status: None
                 Privacy: Public
             Assigned to: None
         Originator Name: Steven Newbury
        Originator Email: address@hidden
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 
                 Release: Bazaar - trunk
         Reproducibility: Every Time
         Planned Release: None

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Details:

md v1.2 SB RAID1 over two disks with GPT partition labels, "raid" flag is set.
(boot/grub is on md device.)

>From a working grub boot shell (booting from USB) "insmod mdraid1x"
sucessfully detects the array, but since /grub is on the md disk mdraid1x
needs to be pre-loaded, but then the array is _not_ detected!

Given it works manually loaded perhaps the mdraid1x detect function is called
before the gpt partition code has detected the partitions? Maybe there's a
need for scan/detect array command now that GPT labels can contain md devices
with GPT labels?




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