RE: How to build dm-raid4-5 module ?

["Jane Liu" <janliu@xxxxxxxxxx>]

> FYI: the patch available on my people page is excluding
>     Makefile and Kconfig changes; need to provide an updated one...

I see. I didn't get a chance to look up the actual patch. Hope I didn't
confuse anyone.

> Do you have evidence (tests etc.) for the degraded case not handled
properly ?
> I'ld be interested in those.

No, I don't have any evidence from tests. I just remembered the issue
with array members being reordered if one member is missing. The
proposed solution was to fill in the "gaps" with error mappings. Is that
already done in rc10?

> Thanks,
> Heinz

On Wed, Mar 01, 2006 at 06:41:05PM -0800, Jane Liu wrote:
> Ralph,
> 
> I don't know what kind of compile errors you are getting, but if it
has something to do with missing dm-split and dm-iostats, I think you
can just remove references to those from the Makefile.
> 
> Please understand that the nvidia raid5 support in dmraid is still
work-in-progress. Activating a degraded raid5 array is _not_ handled
properly and may result in data corruption. Please be sure to back up
your data.
> 
> Regards,
> Jane
> 
> -----Original Message-----
> From: ataraid-list-bounces@xxxxxxxxxx
[mailto:ataraid-list-bounces@xxxxxxxxxx] On Behalf Of
schmidt.ralph@xxxxxxxxxxx
> Sent: Wednesday, March 01, 2006 4:54 PM
> To: ataraid-list@xxxxxxxxxx
> Subject: How to build dm-raid4-5 module ?
> 
> 
> Hello,
> 
> i am trying to build this dm-raid4-5 kernel module to get my nvidia
> raid5 running. I?ve downloaded, patched und build kernel 2.6.15.4.
After
> changing the Makefile it compiles dm-raid4-5, but i?m getting errors
> like there are some things not included. I can post a more detailed
> report later, but may someone can tell me the way to build this
module.
> Greetings,
> 
> Ralph
> 
> 
> 
> 
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Heinz Mauelshagen                                 Red Hat GmbH
Consulting Development Engineer                   Am Sonnenhang 11
Cluster and Storage Development                   56242 Marienrachdorf
                                                  Germany
Mauelshagen@xxxxxxxxxx                            +49 2626 141200
                                                       FAX 924446
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