Is kernel-2.6.8+ a gutshot for SATA-DMRAID?

[paul moore]

--- Heinz Mauelshagen <mauelshagen at redhat.com> wrote:

> On Wed, Aug 18, 2004 at 01:25:56AM -0700, paul moore
> wrote:
> > 
> >  I just updated to 2.6.8 to see if it would fix a
> > couple of problems I had. Well, what I found was a
> big
> > ticking Easter egg. In xconfigure under Enhanced
> > IDE/MFM/RLL... under ATA/ATAPI/MFM/RLL Support I
> > found:
> > Support for SATA (Depreciated; conflicts with
> libata
> > SATA driver). In the comments it says to use the
> SATA
> > driver under SCSI device support. The SCSI version
> > does not work with DMRAID. The drives show up in
> the
> > log, but DMRAID does not see them.
> 
> Does "dmraid -r -vvv" display them ?

 No, not a thing.

> Likely a devnode namespace issue.
> 
> >  As a side note, I had all of this working as a
> raid0
> > with 2.6.7 (without the RAID 1 patches), but could
> > only see six of my eight partitions.
> 
> Sounds like a flaw in group_rd() in dmraid file
> lib/format/partition/dos.c.
> 
> Would be helpful if you could send me copies of the
> (S)ATARAID metadata
> and the size of the drives in the set in sectors.

 How do you want the data? Files named for each
section  on each disk, tared together then gziped for
an email attachment? Send to your email address?
Thought I would ask first. Is there anything else you
might need like system log snippits for a working and
failing kernels?

> 
> > I've tried
> > tweaking the code all the way down into the kernel
> > with no luck. Is there something I am missing, or
> am I
> > just dumbstruck?
> 
> No, you just have a new wonderful configuration ;)

 So running with the SCSI SATA driver has not been a  
      problem with other setups 8-)) Yes!!

> 
> > 
> >  Tell me it isn't so.
> >   Paul
> > 
> > 
> > 
> > 	
> > 		
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> > 
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> >
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> 
> -- 
> 
> 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                                
> Red Hat GmbH
> Consulting Development Engineer                   Am
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>                                                  
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> Mauelshagen at RedHat.com                           
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> 
 Thanks for the great tool, it's really 
 made my day (or year).
    Paul


		
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