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39 lines
1.5 KiB
39 lines
1.5 KiB
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 |
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From: Xose Vazquez Perez <xose.vazquez@gmail.com> |
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Date: Sat, 25 Sep 2021 00:27:36 +0200 |
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Subject: [PATCH] multipath-tools: make IBM/XIV config work with alua and |
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multibus |
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And add recommended pgfailback value. |
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ALUA is supported since XIV_Gen2 and microcode 10.2.1 |
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(All ports across all controllers in single Target Port Group) |
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https://www.ibm.com/support/pages/ibm-flashsystem%C2%AE-a9000-and-a9000r-hyperswap-solution-deployment-linux%C2%AE-ibm-z-systems%C2%AE |
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https://www.google.com/search?q=%222810XIV%22+%22path_grouping_policy%22+site%3Aibm.com |
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Cc: Martin Wilck <mwilck@suse.com> |
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Cc: Benjamin Marzinski <bmarzins@redhat.com> |
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Cc: Christophe Varoqui <christophe.varoqui@opensvc.com> |
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Cc: DM-DEVEL ML <dm-devel@redhat.com> |
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Signed-off-by: Xose Vazquez Perez <xose.vazquez@gmail.com> |
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Reviewed-by: Martin Wilck <mwilck@suse.com> |
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Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com> |
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--- |
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libmultipath/hwtable.c | 3 ++- |
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1 file changed, 2 insertions(+), 1 deletion(-) |
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diff --git a/libmultipath/hwtable.c b/libmultipath/hwtable.c |
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index 0caac0da..72f81c60 100644 |
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--- a/libmultipath/hwtable.c |
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+++ b/libmultipath/hwtable.c |
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@@ -712,7 +712,8 @@ static struct hwentry default_hw[] = { |
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.vendor = "(XIV|IBM)", |
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.product = "(NEXTRA|2810XIV)", |
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.no_path_retry = NO_PATH_RETRY_QUEUE, |
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- .pgpolicy = MULTIBUS, |
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+ .pgpolicy = GROUP_BY_PRIO, |
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+ .pgfailback = 15, |
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}, |
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{ |
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/* TMS RamSan / FlashSystem 710/720/810/820/840/900 */
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