Re: [PATCH] multipath-tools: make EMC/Invista config work with alua and multibus

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue, 2021-09-28 at 19:31 +0200, Xose Vazquez Perez wrote:
> Optimal Path Management (OPM) was introduced with VPLEX 5.5 to improve
> VPLEX
> performance. OPM uses the ALUA mechanism to spread the I/O load across
> VPLEX directors
> while gaining cache locality, pag #187:
> https://www.delltechnologies.com/en-us/collaterals/unauth/technical-guides-support-information/products/storage-2/docu5128.pdf
> 
> Cc: Martin Wilck <mwilck@xxxxxxxx>
> Cc: Benjamin Marzinski <bmarzins@xxxxxxxxxx>
> Cc: Christophe Varoqui <christophe.varoqui@xxxxxxxxxxx>
> Cc: DM-DEVEL ML <dm-devel@xxxxxxxxxx>
> Signed-off-by: Xose Vazquez Perez <xose.vazquez@xxxxxxxxx>

Reviewed-by: Martin Wilck <mwilck@xxxxxxxx>

> ---
>  libmultipath/hwtable.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/libmultipath/hwtable.c b/libmultipath/hwtable.c
> index 7095aaf1..4e8b52ff 100644
> --- a/libmultipath/hwtable.c
> +++ b/libmultipath/hwtable.c
> @@ -350,8 +350,9 @@ static struct hwentry default_hw[] = {
>                 .vendor        = "EMC",
>                 .product       = "Invista",
>                 .bl_product    = "LUNZ",
> -               .pgpolicy      = MULTIBUS,
> +               .pgpolicy      = GROUP_BY_PRIO,
>                 .no_path_retry = 5,
> +               .pgfailback    = -FAILBACK_IMMEDIATE,
>         },
>         {
>                 /* XtremIO */



--
dm-devel mailing list
dm-devel@xxxxxxxxxx
https://listman.redhat.com/mailman/listinfo/dm-devel





[Index of Archives]     [DM Crypt]     [Fedora Desktop]     [ATA RAID]     [Fedora Marketing]     [Fedora Packaging]     [Fedora SELinux]     [Yosemite Discussion]     [KDE Users]     [Fedora Docs]

  Powered by Linux