[dm-devel] [PATCH 1/9] libmultipath: disable user_friendly_names for NetApp

[Martin Wilck]

On Fri, 2019-02-22 at 10:58 -0600, Benjamin Marzinski wrote:
> NetApp has tools that rely on devices using WWID names. To avoid
> breaking these, NetApp devices should continue to use WWID names,
> even
> if the default config is set to enable user_friendly_names. If users
> want to use user_friendly_names on NetApp devices, the must
> specifically
> override the device config.
> 
> Signed-off-by: Benjamin Marzinski <bmarzins at redhat.com>
> ---
>  libmultipath/hwtable.c | 1 +
>  1 file changed, 1 insertion(+)

Ok. 

While looking at this, I realized that the multipath.conf(5) man page
doesn't mention the fact that user_friendly_names could be used in the
devices section of multipath.conf (which would be important for users
who want to override the NetApp default behavior).

Martin




> 
> diff --git a/libmultipath/hwtable.c b/libmultipath/hwtable.c
> index d3a8d9b..8776411 100644
> --- a/libmultipath/hwtable.c
> +++ b/libmultipath/hwtable.c
> @@ -719,6 +719,7 @@ static struct hwentry default_hw[] = {
>  		.flush_on_last_del = FLUSH_ENABLED,
>  		.dev_loss      = MAX_DEV_LOSS_TMO,
>  		.prio_name     = PRIO_ONTAP,
> +		.user_friendly_names = USER_FRIENDLY_NAMES_OFF,
>  	},
>  	{
>  		/*