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> --- 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 */ -- 2.32.0 -- dm-devel mailing list dm-devel@xxxxxxxxxx https://listman.redhat.com/mailman/listinfo/dm-devel
