40 lines
1.5 KiB
Diff
40 lines
1.5 KiB
Diff
|
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
|
||
|
|
From: Xose Vazquez Perez <xose.vazquez@gmail.com>
|
||
|
|
Date: Sat, 25 Sep 2021 00:27:36 +0200
|
||
|
|
Subject: [PATCH] multipath-tools: make IBM/XIV config work with alua and
|
||
|
|
multibus
|
||
|
|
|
||
|
|
And add recommended pgfailback value.
|
||
|
|
|
||
|
|
ALUA is supported since XIV_Gen2 and microcode 10.2.1
|
||
|
|
(All ports across all controllers in single Target Port Group)
|
||
|
|
|
||
|
|
https://www.ibm.com/support/pages/ibm-flashsystem%C2%AE-a9000-and-a9000r-hyperswap-solution-deployment-linux%C2%AE-ibm-z-systems%C2%AE
|
||
|
|
https://www.google.com/search?q=%222810XIV%22+%22path_grouping_policy%22+site%3Aibm.com
|
||
|
|
|
||
|
|
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 0caac0da..72f81c60 100644
|
||
|
|
--- a/libmultipath/hwtable.c
|
||
|
|
+++ b/libmultipath/hwtable.c
|
||
|
|
@@ -712,7 +712,8 @@ static struct hwentry default_hw[] = {
|
||
|
|
.vendor = "(XIV|IBM)",
|
||
|
|
.product = "(NEXTRA|2810XIV)",
|
||
|
|
.no_path_retry = NO_PATH_RETRY_QUEUE,
|
||
|
|
- .pgpolicy = MULTIBUS,
|
||
|
|
+ .pgpolicy = GROUP_BY_PRIO,
|
||
|
|
+ .pgfailback = 15,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
/* TMS RamSan / FlashSystem 710/720/810/820/840/900 */
|