Just minimal info. Cc: Khazhismel Kumykov <khazhy@xxxxxxxxxx> Cc: Gabriel Krisman Bertazi <krisman@xxxxxxxxxxxxx> 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> --- multipath/multipath.conf.5 | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/multipath/multipath.conf.5 b/multipath/multipath.conf.5 index 05a5e8ff..5e65cb93 100644 --- a/multipath/multipath.conf.5 +++ b/multipath/multipath.conf.5 @@ -205,6 +205,11 @@ of outstanding I/O to the path. (Since 2.6.31 kernel) Choose the path for the next bunch of I/O based on the amount of outstanding I/O to the path and its relative throughput. .TP +.I "historical-service-time 0" +(Since 5.8 kernel) Choose the path for the next bunch of IOs based on the +estimation of future service time based on the history of previous I/O submitted +to each path. +.TP The default is: \fBservice-time 0\fR .RE . -- 2.28.0 -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel