On Fri, 2018-09-21 at 18:05 -0500,  Benjamin Marzinski  wrote:
> When pathinfo fails for some likely transient reason, it clears the
> path
> wwid, but otherwise returns successfully, to keep the path around but
> not usable until it gets fully initialized. However, if the path has
> already been initialized, and pathinfo hits a transient error, it
> shouldn't clear the wwid.
> 
> Signed-off-by: Benjamin Marzinski <[email protected]>

After follow-up discussion:

Reviewed-by: Martin Wilck <[email protected]>


> ---
>  libmultipath/discovery.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/libmultipath/discovery.c b/libmultipath/discovery.c
> index 3e0db7f..33815dc 100644
> --- a/libmultipath/discovery.c
> +++ b/libmultipath/discovery.c
> @@ -1991,9 +1991,9 @@ blank:
>       /*
>        * Recoverable error, for example faulty or offline path
>        */
> -     memset(pp->wwid, 0, WWID_SIZE);
>       pp->chkrstate = pp->state = PATH_DOWN;
> -     pp->initialized = INIT_FAILED;
> +     if (pp->initialized == INIT_FAILED)
> +             memset(pp->wwid, 0, WWID_SIZE);
>  
>       return PATHINFO_OK;
>  }

-- 
Dr. Martin Wilck <[email protected]>, Tel. +49 (0)911 74053 2107
SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton
HRB 21284 (AG Nürnberg)


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