Seems fio is being killed by the oom-killer after fio verify runs for
some time ~13 hours. What parameters can I tweak or how can I run my
test differently so the test will be completed with out interruption?
Any help is appericated
My System has 16GB of memory, 12 x 3TB Drives and one 60GB SSD
Disk information
cat /sys/bus/scsi/devices/*/model | sort | uniq -c
12 Hitachi HUA72303
1 KINGSTON SVP200S
fio --version
fio 1.50
uname -a
Linux myhostname 2.6.39-t4.el5 #1 SMP Tue Jan 31 13:18:29 PST 2012
x86_64 x86_64 x86_64 GNU/Linux
the script:
#!/bin/bash
set -e
IO_DEPTH=1
BLOCK_SIZE=4096
IO_ENGINE=libaio
READ_WRITE=write
DIRECT=1
VERIFY=crc32c-intel
BUFFERED=0
VERIFY_FATAL=1
/usr/bin/fio \
--minimal \
--readwrite=${READ_WRITE} \
--blocksize=${BLOCK_SIZE} \
--ioengine=${IO_ENGINE} \
--direct=${DIRECT} \
--buffered=${BUFFERED} \
--iodepth=${IO_DEPTH} \
--verify=${VERIFY} \
--verify_fatal=${VERIFY_FATAL} \
--name=verify_sdj \
--new_group \
--filename=/dev/sdj \
--ioengine=${IO_ENGINE} \
--direct=${DIRECT} \
--buffered=${BUFFERED} \
--iodepth=${IO_DEPTH} \
--verify=${VERIFY} \
--verify_fatal=${VERIFY_FATAL} \
--name=verify_sdm \
--new_group \
--filename=/dev/sdm \
--ioengine=${IO_ENGINE} \
--direct=${DIRECT} \
--buffered=${BUFFERED} \
--iodepth=${IO_DEPTH} \
--verify=${VERIFY} \
--verify_fatal=${VERIFY_FATAL} \
--name=verify_sdd \
--new_group \
--filename=/dev/sdd \
--ioengine=${IO_ENGINE} \
--direct=${DIRECT} \
--buffered=${BUFFERED} \
--iodepth=${IO_DEPTH} \
--verify=${VERIFY} \
--verify_fatal=${VERIFY_FATAL} \
--name=verify_sde \
--new_group \
--filename=/dev/sde \
--ioengine=${IO_ENGINE} \
--direct=${DIRECT} \
--buffered=${BUFFERED} \
--iodepth=${IO_DEPTH} \
--verify=${VERIFY} \
--verify_fatal=${VERIFY_FATAL} \
--name=verify_sdf \
--new_group \
--filename=/dev/sdf \
--ioengine=${IO_ENGINE} \
--direct=${DIRECT} \
--buffered=${BUFFERED} \
--iodepth=${IO_DEPTH} \
--verify=${VERIFY} \
--verify_fatal=${VERIFY_FATAL} \
--name=verify_sdg \
--new_group \
--filename=/dev/sdg \
--ioengine=${IO_ENGINE} \
--direct=${DIRECT} \
--buffered=${BUFFERED} \
--iodepth=${IO_DEPTH} \
--verify=${VERIFY} \
--verify_fatal=${VERIFY_FATAL} \
--name=verify_sda \
--new_group \
--filename=/dev/sda \
--ioengine=${IO_ENGINE} \
--direct=${DIRECT} \
--buffered=${BUFFERED} \
--iodepth=${IO_DEPTH} \
--verify=${VERIFY} \
--verify_fatal=${VERIFY_FATAL} \
--name=verify_sdb \
--new_group \
--filename=/dev/sdb \
--ioengine=${IO_ENGINE} \
--direct=${DIRECT} \
--buffered=${BUFFERED} \
--iodepth=${IO_DEPTH} \
--verify=${VERIFY} \
--verify_fatal=${VERIFY_FATAL} \
--name=verify_sdc \
--new_group \
--filename=/dev/sdc \
--ioengine=${IO_ENGINE} \
--direct=${DIRECT} \
--buffered=${BUFFERED} \
--iodepth=${IO_DEPTH} \
--verify=${VERIFY} \
--verify_fatal=${VERIFY_FATAL} \
--name=verify_sdl \
--new_group \
--filename=/dev/sdl \
--ioengine=${IO_ENGINE} \
--direct=${DIRECT} \
--buffered=${BUFFERED} \
--iodepth=${IO_DEPTH} \
--verify=${VERIFY} \
--verify_fatal=${VERIFY_FATAL} \
--name=verify_sdk \
--new_group \
--filename=/dev/sdk \
--ioengine=${IO_ENGINE} \
--direct=${DIRECT} \
--buffered=${BUFFERED} \
--iodepth=${IO_DEPTH} \
--verify=${VERIFY} \
--verify_fatal=${VERIFY_FATAL} \
--name=verify_sdh \
--new_group \
--filename=/dev/sdh \
--ioengine=${IO_ENGINE} \
--direct=${DIRECT} \
--buffered=${BUFFERED} \
--iodepth=${IO_DEPTH} \
--verify=${VERIFY} \
--verify_fatal=${VERIFY_FATAL} \
--name=verify_sdi \
--new_group \
--filename=/dev/sdi
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