bugGNU GRUB - Bugs: bug #33286, pre-loaded mdraid1x fails to...

 
 

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

Submitter:  Steven Newbury <zeq>
Submitted:  Wed 11 May 2011 08:30:23 AM UTC
   
 
Category:  None Severity:  Major
Priority:  5 - Normal Item Group:  Software Error
Status:  Invalid Privacy:  Public
Assigned to:  None Originator Name:  Steven Newbury
Open/Closed:  Closed Release:  Bazaar - trunk
Release:  Reproducibility:  Every Time
Planned Release:  None

Wed 11 May 2011 11:32:28 AM UTC, comment #3: 

grub-install handles it automatically. grub-mkimage is for experienced users only. As for dynamic rescan it's implemented in 'lazy' branch

Vladimir Serbinenko <phcoder>
Group administrator
Wed 11 May 2011 11:04:09 AM UTC, comment #2: 

Yes, thanks, that worked. I had tried including part_gpt before mdraid1x previously but not in addition to biosdisk. Is there any posibliity of making it automatic or issue a warning with a hint?

Steven Newbury <zeq>
Wed 11 May 2011 08:37:40 AM UTC, comment #1: 

you need to embed part_gpt first. E.g.
grub-mkimage -O i386-pc -o core.img biosdisk part_gpt mdraid1x

Vladimir Serbinenko <phcoder>
Group administrator
Wed 11 May 2011 08:30:23 AM UTC, original submission:  

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?

Steven Newbury <zeq>

 

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    Date Changed by Updated Field Previous Value => Replaced by
    2011-05-11 phcoder StatusNone Invalid
        Open/ClosedOpen Closed

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