Re: Failures noticed in FIO run

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 7 February 2018 at 00:19, Gnana Sekhar <kgsgnana2020@xxxxxxxxx> wrote:
>
> Experimented few loops and ran into the below failures even when I
> didn't pass in the write offset to FIO. The block size is 4k on the
> drive
>
> 2018-02-05 07:20:53,033-07 ERROR    l_IoActionsLinux - The arguments
> passed are: sudo fio --thread --direct=1 --minimal --ioengine=libaio
> --numjobs=1 --filename=/dev/nvme0n1 -o /tmp/nvme0n1_temp.log
> --name=bs16384_rwwrite_qd256 --buffer_pattern=1193046 --iodepth=256
> --size=100% --percentage_random=0 --bs=256k --ba=4k --rw=write
> 2018-02-05 07:20:53,033-07 ERROR    l_IoActionsLinux - Error in FIO
> run: fio: io_u error on file /dev/nvme0n1: Input/output error: write
> offset=27160215552, buflen=262144
>
> 2018-02-05 07:20:53,033-07 ERROR    l_IoActionsLinux - Error in FIO
> run: fio: io_u error on file /dev/nvme0n1: Input/output error: write
> offset=27205828608,

(note that blockalign/ba is only really for random I/O)

This looks strange. What does
blockdev --getsize64  /dev/nvme0n1
report and is there anything interesting in the tail end of dmesg just
after you trigger this issue?

> Similarly if I pass offsets that aren't aligned with file system
> underneath, is there a way to inform fio to round it up

Jeff answered this one in another reply.

-- 
Sitsofe | http://sucs.org/~sits/
--
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



[Index of Archives]     [Linux Kernel]     [Linux SCSI]     [Linux IDE]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux SCSI]

  Powered by Linux