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

Mike Christie mikenc at us.ibm.com
Fri Mar 12 06:58:02 UTC 2004


christophe.varoqui at free.fr wrote:

> btw, if group_by_tur works for your HW, please add its strings to the policy
> selector array and send a patch.

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.

> Selon christophe.varoqui at free.fr:
> 
> 
>>You should use the group_by_tur policy.
>>It does what you describe.
>>
>>Selon Mike Christie <michaelc at cs.wisc.edu>:
>>
>>
>>>Hi Christophe,
>>>
>>>For policy it states, "failover 1 path per priority group",
>>>but what if I want to put N paths in each group?
>>>
>>>I want to round-robin over N paths, and when they fail I want
>>>to start using a lower priority group. I have two cases. One
>>>where I have a set of paths that are imediately ready, and a
>>>second set that has to be activated first. And a second case
>>>where the second set is ready, but for any reason we want to use
>>>it as backup only.
>>>
>>>Thanks,
>>>
>>>Mike
>>>
>>>
>>
>>
>>-- 
>>
>>--
>>dm-devel mailing list
>>dm-devel at redhat.com
>>https://www.redhat.com/mailman/listinfo/dm-devel
>>
> 
> 
> 




More information about the dm-devel mailing list