Re: [PATCH] conf: Allow disks with identical WWN or serial

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On Fri, Jun 24, 2016 at 05:07:43PM +0200, Peter Krempa wrote:
> Disallowing them broke a use case of testing multipath configurations
> for storage. The original intent was added as it made it impossible to
> use certain /dev/disk-by... links.
> 
> Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1349895
> ---
>  src/conf/domain_conf.c | 14 --------------
>  1 file changed, 14 deletions(-)
> 
> diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
> index 9443281..68e89ed 100644
> --- a/src/conf/domain_conf.c
> +++ b/src/conf/domain_conf.c
> @@ -24906,20 +24906,6 @@ virDomainDiskDefCheckDuplicateInfo(const virDomainDiskDef *a,
>          return -1;
>      }
> 
> -    if (a->wwn && b->wwn && STREQ(a->wwn, b->wwn)) {
> -        virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
> -                       _("Disks '%s' and '%s' have identical WWN"),
> -                       a->dst, b->dst);
> -        return -1;
> -    }
> -
> -    if (a->serial && b->serial && STREQ(a->serial, b->serial)) {
> -        virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
> -                       _("Disks '%s' and '%s' have identical serial"),
> -                       a->dst, b->dst);
> -        return -1;
> -    }
> -
>      return 0;
>  }

ACK

Though perhaps its worth a comment in that function about why we don't
check serial/wwn for future readers.

Regards,
Daniel
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