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