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 <mwilck@xxxxxxxx> Cc: Zhouweigang (Jack) <zhouweigang09@xxxxxxxxxx> Cc: Zou Ming <zouming.zouming@xxxxxxxxxx> Cc: Benjamin Marzinski <bmarzins@xxxxxxxxxx> Cc: Martin Wilck <mwilck@xxxxxxxx> 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 | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/libmultipath/hwtable.c b/libmultipath/hwtable.c index 58fa7387..9c7212be 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 -- 2.31.1 -- dm-devel mailing list dm-devel@xxxxxxxxxx https://listman.redhat.com/mailman/listinfo/dm-devel