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Re: [linux-lvm] [PATCH] vg_check_name.c



Jim,

thanks for pointing this out.

It is in LVM1 CVS now.

On Tue, Apr 23, 2002 at 03:00:36PM -0700, Jim Pick wrote:
> This in regards to the following bug report I filed with Debian:
> 
> 
> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=140957&msg=4&repeatmerged=y
> es
> 
> I did some more debugging to figure out what bit me, and it turns out that
> my problem was that my volume group was named just "a", and there was a new
> check added to 1.1rc1 in vg_check_name.c that matched it against "ataraid"
> (defined in _devdir[] in lvm_dir_cache.c).  Very confusing.  I don't think
> the check was intended to work that way, so here's a patch:
> 
> Index: vg_check_name.c
> ===================================================================
> RCS file: /data/cvs/LVM/tools/lib/vg_check_name.c,v
> retrieving revision 1.7
> diff -u -r1.7 vg_check_name.c
> --- vg_check_name.c 2002/03/12 13:58:04 1.7
> +++ vg_check_name.c 2002/04/23 21:40:15
> @@ -84,7 +84,7 @@
>              else
>                 filter = _devdir[d];
> 
> -            if ( strncmp ( vg_name, filter, strlen ( vg_name)) == 0) {
> +            if ( strncmp ( vg_name, filter, strlen ( filter)) == 0) {
>                 ret = -LVM_EVG_CHECK_NAME;
>                 break;
>              }
> 
> This bit me on several machines, since I used the same naming convention.
> :-(
> 
> Cheers,
> 
>  - Jim
> 
> BTW, I don't believe that the Debian bug severity should have been
> downgraded to just "important", as I almost lost all my data.

Sorry to hear that :-(

> 
> 
> 
> 
> _______________________________________________
> linux-lvm mailing list
> linux-lvm sistina com
> http://lists.sistina.com/mailman/listinfo/linux-lvm
> read the LVM HOW-TO at http://www.sistina.com/lvm/Pages/howto.html

-- 

Regards,
Heinz    -- The LVM Guy --

*** Software bugs are stupid.
    Nevertheless it needs not so stupid people to solve them ***

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Heinz Mauelshagen                                 Sistina Software Inc.
Senior Consultant/Developer                       Am Sonnenhang 11
                                                  56242 Marienrachdorf
                                                  Germany
Mauelshagen Sistina com                           +49 2626 141200
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