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@xxxxxxxx> Cc: Benjamin Marzinski <bmarzins@xxxxxxxxxx> Cc: Christophe Varoqui <christophe.varoqui@xxxxxxxxxxx> Cc: DM-DEVEL ML <dm-devel@xxxxxxxxxx> Signed-off-by: Xose Vazquez Perez <xose.vazquez@xxxxxxxxx> --- 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 */ -- 2.32.0 -- dm-devel mailing list dm-devel@xxxxxxxxxx https://listman.redhat.com/mailman/listinfo/dm-devel