[dm-devel] Question about multipath device compiled defaults

[Christophe Varoqui]

Hi,

and when you are ready, you can post the patch here so I can merge it
upstream.

Thanks,
Christophe Varoqui
OpenSVC

On Tue, Jan 19, 2016 at 5:35 PM, Mauricio Faria de Oliveira <
mauricfo at linux.vnet.ibm.com> wrote:

> On 11/05/2015 04:59 AM, Doron Tal1 wrote:
>
>> I would like to know how and what procedure i should follow if i want to
>> modify or add new settings to the device mapper defaults.
>>
>
> The defaults are in hwtable.c [1].
>
> So for example how can i modify existing compiled settings for the
>> 2810XIV device? in case i want to add a new device and it settings, how
>> can it be done?
>>
>
> To modify the compiled settings, you have to modify it and recompile.
>
> To modify the runtime settings (based on the defaults), you can modify
> /etc/multipath.conf (see its manpage [2] with 'man multipath.conf').
>
> You can verify the the setting values used during multipath discovery
> with 'multipath -v3' for example, or "multipathd -k'show config'".
>
> Hope this might still help at this time,
>
> [1]
> http://git.opensvc.com/gitweb.cgi?p=multipath-tools/.git;a=blob;f=libmultipath/hwtable.c
> [2]
> http://git.opensvc.com/gitweb.cgi?p=multipath-tools/.git;a=blob;f=multipath/multipath.conf.5
>
> --
> Mauricio Faria de Oliveira
> IBM Linux Technology Center
>
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> dm-devel at redhat.com
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>
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