Yes,
this configuration is the one suggested by EMC for EL7.

By the way,
"The parameters rr_min_io vs. rr_min_io_rq mean the same thing but are used
for device-mapper-multipath on differing kernel versions." and rr_min_io_rq
default value is 1, rr_min_io default value is 1000, so it should be fine.


2017-05-08 9:39 GMT+02:00 Yaniv Kaul <yk...@redhat.com>:

>
> On Sun, May 7, 2017 at 1:27 PM, Stefano Bovina <bov...@gmail.com> wrote:
>
>> Sense data are 0x0/0x0/0x0
>
>
> Interesting - first time I'm seeing 0/0/0. The 1st is usually 0x2 (see
> [1]), and then the rest [2], [3] make sense.
>
> A google search found another user with Clarion with the exact same
> error[4], so I'm leaning toward misconfiguration of multipathing/clarion
> here.
>
> Is your multipathing configuration working well for you?
> Are you sure it's a EL7 configuration? For example, I believe you should
> have rr_min_io_rq and not rr_min_io .
> Y.
>
> [1] http://www.t10.org/lists/2status.htm
> [2] http://www.t10.org/lists/2sensekey.htm
> [3] http://www.t10.org/lists/asc-num.htm
> [4] http://www.linuxquestions.org/questions/centos-111/multi
> path-problems-4175544908/
>
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