Re: [Bug-grub] [Bug #977] [PATCH] full Linux-LVM support

[Jason Thomas]

Note: LVM is not RAID

On Mon, Aug 12, 2002 at 08:00:11AM -0400, address@hidden wrote:
> 
> =================== BUG #977: LATEST MODIFICATIONS ==================
> http://savannah.gnu.org/bugs/?func=detailbug&bug_id=977&group_id=68
> 
> Changes by: Anonymous user        Date: 2002-Aug-12 08:00
> 
> ------------------ Additional Follow-up Comments ----------------------------
> Nice to see that someone took over this task.
> This should enable booting from an mirrored md device holding an lvm root 
> partition (Raid 1). 
> 
> Question: Did anyone check wether this is possible from an RAID 5 arranged 
> software raid? 
> 
> 
> 
> =================== BUG #977: FULL BUG SNAPSHOT ===================
> 
> 
> Submitted by: None                      Project: GNU GRUB                     
>   
> Submitted on: 2002-Aug-11 14:04
> Category:  Disk & Partition         Severity:  Major                      
>   
> Priority:  None                         Bug Group:  Feature Request           
>   
> Resolution:  None                       Assigned to:  None                    
>   
> Status:  Open                           Release:  0.92                        
>   
> Reproducibility:  Every Time            Planned Release:                      
>   
> 
> Summary:  [PATCH] full Linux-LVM support
> 
> Original Submission:  Attached is a diff against grub (sorry, not latest 
> release, I hope this is not a serious problem) which adds full Linux-LVM 
> support to grub. It even supports loading of stage2 from stage1.5 (+4k) and 
> any combination of Volume Groups and Logical Volumes. Snapshot volumes are 
> untested, but should work. LVs are accessed like this:
> "root <system:boot>", i.e. <vgname:lvname> - the corresponding block devices 
> are sorted out by the LVM code. Autocompletion works, it is documented in 
> grub.texi, selectable via configure, the ChangeLog was updated - I tried to 
> make it as complete as possible.
> One point remains: I copied linalloc_* from gunzip.c and adjusted the memory 
> address, it seems to work but please someone else look at it to make sure it 
> is correct.
> (If my estimations are correct, it won't conflict with gunzip.c, but I don't 
> know what lies below that memory area. 256GB total LV space uses ~512k memory 
> currently)
> 
> 
> Follow-up Comments
> *******************
> 
> -------------------------------------------------------
> Date: 2002-Aug-12 08:00             By: None
> Nice to see that someone took over this task.
> This should enable booting from an mirrored md device holding an lvm root 
> partition (Raid 1). 
> 
> Question: Did anyone check wether this is possible from an RAID 5 arranged 
> software raid? 
> 
> 
> File Attachments
> ****************
> 
> -------------------------------------------------------
> Date: 2002-Aug-11 14:04  Name: grub-lvm.diff  Size: 38KB   By: None
> patch for LVM support
> http://savannah.gnu.org/bugs/download.php?group_id=68&bug_id=977&bug_file_id=71
> 
> 
> For detailed info, follow this link:
> http://savannah.gnu.org/bugs/?func=detailbug&bug_id=977&group_id=68
> 
> 
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-- 
Jason Thomas                           Phone:  +61 2 6257 7111
Unix System Administrator              Fax:    +61 2 6257 7311
tSA Consulting Group Pty. Ltd.         Mobile: 0418 29 66 81
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