41 lines
1.6 KiB
Diff
41 lines
1.6 KiB
Diff
|
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
|
||
|
|
From: Xose Vazquez Perez <xose.vazquez@gmail.com>
|
||
|
|
Date: Tue, 28 Sep 2021 18:52:10 +0200
|
||
|
|
Subject: [PATCH] multipath-tools: make IBM/2107900 (DS8000) config work with
|
||
|
|
alua and multibus
|
||
|
|
|
||
|
|
ALUA is supported since the beginning:
|
||
|
|
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/scsi/device_handler/scsi_dh_alua.c?id=057ea7c9683c3d684128cced796f03c179ecf1c2#n683
|
||
|
|
|
||
|
|
... the DS8000 is an Asymmetric Logical Unit Access (ALUA) capable storage array,
|
||
|
|
pag#160(144): https://www.redbooks.ibm.com/redbooks/pdfs/sg248887.pdf
|
||
|
|
|
||
|
|
kernel log:
|
||
|
|
https://marc.info/?l=linux-scsi&m=156407413807511&q=mbox
|
||
|
|
|
||
|
|
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 72f81c60..f115c4f9 100644
|
||
|
|
--- a/libmultipath/hwtable.c
|
||
|
|
+++ b/libmultipath/hwtable.c
|
||
|
|
@@ -656,7 +656,8 @@ static struct hwentry default_hw[] = {
|
||
|
|
.vendor = "IBM",
|
||
|
|
.product = "^2107900",
|
||
|
|
.no_path_retry = NO_PATH_RETRY_QUEUE,
|
||
|
|
- .pgpolicy = MULTIBUS,
|
||
|
|
+ .pgpolicy = GROUP_BY_PRIO,
|
||
|
|
+ .pgfailback = -FAILBACK_IMMEDIATE,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
// Storwize V5000 and V7000 lines / SAN Volume Controller (SVC) / Flex System V7000 /
|