From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Xose Vazquez Perez 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 Cc: Benjamin Marzinski Cc: Christophe Varoqui Cc: DM-DEVEL ML Signed-off-by: Xose Vazquez Perez Reviewed-by: Martin Wilck Signed-off-by: Benjamin Marzinski --- 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 /