From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Xose Vazquez Perez Date: Mon, 5 Apr 2021 00:12:58 +0200 Subject: [PATCH] multipath-tools: make HUAWEI/XSG1 config work with alua and multibus And add recommended no_path_retry and pgfailback values. Info from: - RHEL https://download.huawei.com/edownload/e/download.do?actionFlag=download&nid=EDOC1100113070&partNo=6001&mid=SUPE_DOC&_t=1612885511000 - SLES https://download.huawei.com/edownload/e/download.do?actionFlag=download&nid=EDOC1100117892&partNo=6001&mid=SUPE_DOC&_t=1612885538000 - without HyperMetro: vendor "HUAWEI" product "XSG1" path_grouping_policy multibus no_path_retry 15 - with HyperMetro: vendor "HUAWEI" product "XSG1" path_grouping_policy group_by_prio prio alua failback immediate no_path_retry 15 ALUA is only used with HyperMetro(cluster of two arrays). Suggested-by: Martin Wilck Cc: Zhouweigang (Jack) Cc: Zou Ming Cc: Benjamin Marzinski Cc: Martin Wilck Cc: Christophe Varoqui Cc: DM-DEVEL ML Signed-off-by: Xose Vazquez Perez Reviewed-by: Martin Wilck " Signed-off-by: Benjamin Marzinski --- libmultipath/hwtable.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/libmultipath/hwtable.c b/libmultipath/hwtable.c index e884d8c7..2a896440 100644 --- a/libmultipath/hwtable.c +++ b/libmultipath/hwtable.c @@ -1078,11 +1078,14 @@ static struct hwentry default_hw[] = { * Huawei */ { - /* OceanStor V3 */ + /* OceanStor V3-V6 */ + // This config works with multibus and ALUA + // ALUA is required by HyperMetro .vendor = "HUAWEI", .product = "XSG1", .pgpolicy = GROUP_BY_PRIO, - .prio_name = PRIO_ALUA, + .pgfailback = -FAILBACK_IMMEDIATE, + .no_path_retry = 15, }, /* * Kove