[Gluster-devel] Fio (ioengine=gfapi) FS_cached_4k_random_reads fails on gluster v3.6.1

[Kiran Patil]

I am running fio (https://github.com/axboe/fio) latest from master branch
with below configuration on gluster v3.6.1 CentOS v6.6 and it is failing.

I have raised issue at bugzilla id=1169236.

# fio $args --output=4k_caranred_gz.log --section=FS_cached_4k_random_reads
--ioengine=gfapi --volume=vol1 --brick=192.168.1.246 fsmb.fio

fio: failed to lseek pre-read file[0KB/0KB/0KB /s] [0/0/0 iops] [eta
1158050440d:23h:16m:01s]

# fio $args --output=4k_caranredmt_gz.log
--section=FS_multi-threaded_cached_4k_random_reads --ioengine=gfapi
--volume=vol1 --brick=192.168.1.246 fsmb.fio

fio: failed to lseek pre-read file[0KB/0KB/0KB /s] [0/0/0 iops] [eta
1158050440d:23h:12m:37s]
fio: failed to lseek pre-read fileone] [0KB/0KB/0KB /s] [0/0/0 iops] [eta
1158050440d:23h:12m:33s]
fio: failed to lseek pre-read fileone] [4KB/0KB/0KB /s] [1/0/0 iops] [eta
1158050440d:23h:12m:32s]
fio: failed to lseek pre-read file
fsmb.fio configuration file is below:

[global]

[FS_128k_streaming_writes]
name=seqwrite
rw=write
bs=128k
size=5g
#end_fsync=1
loops=1

[FS_cached_4k_random_reads]
name=randread
rw=randread
pre_read=1
norandommap
bs=4k
size=256m
runtime=30
loops=1

[FS_multi-threaded_cached_4k_random_reads]
name=randread
numjobs=4
rw=randread
pre_read=1
norandommap
bs=4k
size=256m/4
runtime=30
loops=1

Thanks,

Kiran.
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