ALUA is supported since VMAX3 and HYPERMAX OS 5977.811.784, pag#113:
https://www.delltechnologies.com/en-us/collaterals/unauth/technical-guides-support-information/products/storage-2/docu5128.pdf

Cc: Martin Wilck <[email protected]>
Cc: Benjamin Marzinski <[email protected]>
Cc: Christophe Varoqui <[email protected]>
Cc: DM-DEVEL ML <[email protected]>
Signed-off-by: Xose Vazquez Perez <[email protected]>
---
 libmultipath/hwtable.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libmultipath/hwtable.c b/libmultipath/hwtable.c
index f115c4f9..7095aaf1 100644
--- a/libmultipath/hwtable.c
+++ b/libmultipath/hwtable.c
@@ -329,8 +329,9 @@ static struct hwentry default_hw[] = {
                /* Symmetrix / DMX / VMAX / PowerMax */
                .vendor        = "EMC",
                .product       = "SYMMETRIX",
-               .pgpolicy      = MULTIBUS,
+               .pgpolicy      = GROUP_BY_PRIO,
                .no_path_retry = 6,
+               .pgfailback    = -FAILBACK_IMMEDIATE,
        },
        {
                /* DGC CLARiiON CX/AX / VNX and Unity */
-- 
2.32.0

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