device-mapper-multipath/SOURCES/0007-multipath-tools-make-EMC-SYMMETRIX-config-work-with-.patch
2021-12-09 11:52:02 +00:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Xose Vazquez Perez <xose.vazquez@gmail.com>
Date: Tue, 28 Sep 2021 19:20:59 +0200
Subject: [PATCH] multipath-tools: make EMC/SYMMETRIX config work with alua and
multibus
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 <mwilck@suse.com>
Cc: Benjamin Marzinski <bmarzins@redhat.com>
Cc: Christophe Varoqui <christophe.varoqui@opensvc.com>
Cc: DM-DEVEL ML <dm-devel@redhat.com>
Signed-off-by: Xose Vazquez Perez <xose.vazquez@gmail.com>
Reviewed-by: Martin Wilck <mwilck@suse.com>
Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
---
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 */