[dm-devel] multipath-tools: Standardization of no_path_retry

[Hannes Reinecke]

On 02/12/2017 11:41 PM, Xose Vazquez Perez wrote:
> Hi,
> 
> There are plenty of arbitrary values:
> 
>       1                 .no_path_retry = 5,
>       1                 .no_path_retry = 6,
>       3                 .no_path_retry = 10,
>       8                 .no_path_retry = 12,
>       2                 .no_path_retry = 15,
>       6                 .no_path_retry = 18,
>       1                 .no_path_retry = 24,
>      37                 .no_path_retry = 30,
>       4                 .no_path_retry = (300 / DEFAULT_CHECKINT),
> 
> 
>      19                 .no_path_retry = NO_PATH_RETRY_QUEUE,
>      15       (Default) .no_path_retry = NO_PATH_RETRY_UNDEF,
> 
> 
> 
> Any thoughts about this?
> 
These are typically coming from vendor hardware entries, and in most
cases they are set on request from the vendor.
So unless someone has actually _tested_ with a different setting on that
array we should rather leave them alone.

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		   Teamlead Storage & Networking
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