device-mapper-multipath/0004-multipath-tools-make-IBM-XIV-config-work-with-alua-a.patch
Benjamin Marzinski 19ddc43848 device-mapper-multipath-0.8.7-1
Update Source to upstream version 0.8.7 plus upstream staged commits
  * Previous patches 0011-0016 & 0018-0022 are included in the source
    tarball
  * Fixes bz#2017592
Rename files
  * Previous patches 0001-0010 are now patches 0013-0022
Modify 0018-RH-add-mpathconf.patch
  * merged with previous patch 0017
Add 0023-libmulitpath-add-section-name-to-invalid-keyword-out.patch
  * Fixes bz#1984303
Fix multipath_conf_syntax test to work with bz #1984303
Resolves: bz #1984303, #2017592
2021-10-29 15:25:05 -05:00

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 */