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Zoning keeps looping over the device #738

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iustin opened this Issue Feb 3, 2019 · 0 comments

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iustin commented Feb 3, 2019

I think I still see the issue mentioned in https://www.spinics.net/lists/fio/msg03939.html, but in my case with sequential I/O. While the code in setup_strided_zone_mode is slightly different, it still has the same "wrap from the beginning if we exceed the file size" behaviour.

I'm using fio-3.12 and this issue prevents me from doing a simple "give me a zoned bandwidth log for a device", due to the looping which results in infinite runtime.

My job file:

[global]
bs=512k
direct=1
rw=read
ioengine=libaio
iodepth=2
zonemode=strided
zonerange=1g
zonesize=1g
zoneskip=1000g
write_bw_log=bw-log

[zoning]
name=zoning-log
filename=${DRIVE}

Would be very glad to hear this is just misconfiguration on my part…

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