[dm-devel] [PATCH] multipath-tools: make HUAWEI/XSG1 config work with alua and multibus
Xose Vazquez Perez
xose.vazquez at gmail.com
Sun Apr 4 22:12:58 UTC 2021
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 at suse.com>
Cc: Zhouweigang (Jack) <zhouweigang09 at huawei.com>
Cc: Zou Ming <zouming.zouming at huawei.com>
Cc: Benjamin Marzinski <bmarzins at redhat.com>
Cc: Martin Wilck <mwilck at suse.com>
Cc: Christophe Varoqui <christophe.varoqui at opensvc.com>
Cc: DM-DEVEL ML <dm-devel at redhat.com>
Signed-off-by: Xose Vazquez Perez <xose.vazquez at gmail.com>
---
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
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