[dm-devel] Re: [Storage_sig] LVM and multipath ?

[Badari Pulavarty <pbadari us ibm com>]

Hi,

"multipath" command seems to be working fine with these changes.


Thanks,
Badari

On Tue, 2004-10-26 at 00:29, christophe varoqui free fr wrote:
> > > I tried multipath tools. I get Segfault with "multipath -v 2".
> > > Any ideas ? I am using multipath tools version 0.3.4. I added
> > > DEBUG=3 to makefile.
> > >
> > In 0.3.4 the multipath/main.c file near line 1382 I hit the same Segfault
> > as mpp->alias was not set in my case I assume you may be hitting the same
> > problem. The previous version of the multipath tools called setup_map
> > directly as is done a few lines down from the code at line 1382. If one
> > removes the mpp->alias from the if check it runs (at least for me it did).
> >
> > Christophe will need to comment on the correct fix.
> >
> indeed,
> I included the following fix to 0.3.5 :
> 
>                 if ((mpp->alias &&
>                     0 == strncmp(mpp->alias, conf->dev, FILE_NAME_SIZE)) ||
>                     0 == strncmp(mpp->wwid, conf->dev, FILE_NAME_SIZE)) {
>                         setup_map(pathvec, mpp);
>                         goto out;
>                 }
> 
> also note that the path grouping policies in 0.3.4 is busted.
> it is fixed in 0.3.5, but in the mean time you can comment out the call to
> sort_pg_by_summed_prio() in main.c
> 
> regards,
> cvaroqui
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