I see the following issue with my testing, runtime always resets eta to some higher number after countdown to 0 [randon_rw1] rw=randrw iodepth=8 runtime=24 ioengine=sync filename=/dev/mapper/mpathdeo:/dev/mapper/mpathdep or [randon_rw1] rw=randrw iodepth=4 runtime=24 ioengine=sync filename=/dev/mapper/mpathdeo filename=/dev/mapper/mpathdep both devices have 8 paths mpathdep (23035376338373633) dm-7 FUSIONIO,ION LUN size=382G features='3 queue_if_no_path pg_init_retries 50' hwhandler='1 alua' wp=rw |-+- policy='queue-length 0' prio=130 status=active | |- 0:0:1:5 sdk 8:160 active ready running | |- 1:0:1:5 sdl 8:176 active ready running | |- 1:0:0:5 sdaa 65:160 active ready running | `- 0:0:0:5 sdab 65:176 active ready running `-+- policy='queue-length 0' prio=1 status=enabled |- 1:0:2:5 sdar 66:176 active ready running |- 0:0:2:5 sdas 66:192 active ready running |- 0:0:3:5 sdbi 67:192 active ready running `- 1:0:3:5 sdbh 67:176 active ready running mpathdeo (26361306637636532) dm-6 FUSIONIO,ION LUN size=345G features='3 queue_if_no_path pg_init_retries 50' hwhandler='1 alua' wp=rw |-+- policy='queue-length 0' prio=130 status=active | |- 0:0:2:4 sdap 66:144 active ready running | |- 1:0:2:4 sdaq 66:160 active ready running | |- 1:0:3:4 sdbf 67:144 active ready running | `- 0:0:3:4 sdbg 67:160 active ready running `-+- policy='queue-length 0' prio=1 status=enabled |- 1:0:1:4 sdj 8:144 active ready running |- 0:0:1:4 sdi 8:128 active ready running |- 0:0:0:4 sdy 65:128 active ready running `- 1:0:0:4 sdz 65:144 active ready running runtime gradually decreases from 24 seconds to 1 seconds and then eta is reset back to 4hours, if there is only one device the runtime works properly [root@auto-rhel65 ~]# fio /automation/fio/ioprofile1.fio randon_rw1: (g=0): rw=randrw, bs=4K-4K/4K-4K/4K-4K, ioengine=sync, iodepth=4 fio-2.1.7 Starting 1 process ^Cbs: 1 (f=1): [m] [0.2% done] [30232KB/30788KB/0KB /s] [7558/7697/0 iops] [eta 04h:02m:32s] [root@auto-rhel65 ~]# fio -v fio-2.1.7 [root@auto-rhel65 ~]# uname -a Linux auto-rhel65 2.6.32-422.el6.x86_64 #1 SMP Mon Oct 7 17:58:55 EDT 2013 x86_64 x86_64 x86_64 GNU/Linux -- To unsubscribe from this list: send the line "unsubscribe fio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html