[dm-devel] Re: multipath tool priority group question

[Mike Christie]

christophe.varoqui at free.fr wrote:

> Selon Mike Christie <mikenc at us.ibm.com>:
> 
>>Is the policy selector array the wlist? Are you sure you don't want to 
>>make this a text file. For reconfigurable devices like ours, I don't 
>>know what the sane default is.
>>
> 
> Yes, I think I should keep the current wlist[] for hardwired defaults and
> override them with an optional config file.
> 
> 
>>What if the secondary paths work, it's just that switching
>>to them is expensive? It looks like they will end up in one
>>group.
>>
> 
> Something like the group_by_serial might work for this case. Does your hardware
> exibits some kind of out-of-plater info that could be used to group such paths ?

I will find out. Until then I will just test out the multibus support.

> ... we can add a new policy if the group_by_serial policy is what you need but
> only with a different pivot.
> 

Thanks for writing the tools.