Hi Andy,
On 09/15/2009 12:12 AM +0900, Andy wrote:
> On Mon, Sep 14, 2009 at 11:15:47AM +0900, Kiyoshi Ueda wrote:
>> Hi Andy,
>>
>> Thank you for reporting this.
>>
>> On 2009/09/12 6:34 +0900, Andy wrote:
>>> When I try to change the path selector in multipath.conf to queue-length or
>>> service-time I get a kernel oops.
>> I'd like to see the information of your environment, so could you
>> give me the followings?
>
> This is a test system, so there is no problem try things out on it.
>
> version information:
>
> Distribution : Debian squeeze/sid
> kernel: 2.6.31
>
> multipath-tools v0.4.9 (04/04, 2009)
>
> dmsetup --version
> Library version: 1.02.36 (2009-08-06)
> Driver version: 4.15.0
>
>
> multipath.conf part:
>
> multipath {
> wwid 350002ac000020246
> path_grouping_policy multibus
> # path_selector "round-robin 0"
> path_selector "queue-length"
> rr_min_io 8 # u02 io count
> alias u02
> }
OK, thanks.
Please specify the path_selector part in the same way as
round-robin like below:
path_selector "queue-length 0"
Note that '0' is the required argument which specifies the number
of path_selector parameters.
I think this is a bug in the parameter parsing of multipath target
driver, not queue-length/service-time specific.
Thanks,
Kiyoshi Ueda
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