Re: FIO and replay_redirect

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(This is one I meant to reply to but didn't get around to for some reason)

On 4 February 2016 at 22:32, neto from Brazil
<Antonio.Jose.Rodrigues.Neto@xxxxxxxxxx> wrote:
>
> 1) The workload that I capture, all DM devices have 200GB size. My devices
> where I want to replay have 100GB. I believe I will need to match the size
> of all disks (where I captured the workload) with the destination where I
> am going to replay. For example: If I capture a workload with 18 LUNs
> 200GB, to replay I need to have 18 LUNs with 200GB minimum.
>
> 2) I need to replay to more than one device. How can I do that with fio?
> Seems to me replay_redirect is for a single specified device.
>
> 3) Any help why I am getting that error? fio: ioengines.c:422:
> td_io_open_file: Assertion `!fio_file_open(f)' failed.

1) You should be able to use replay_scale
(http://fio.readthedocs.io/en/latest/fio_doc.html#cmdoption-arg-replay-scale
)..
2) This still can't be done with fio.
3) Should be fixed since
https://github.com/axboe/fio/commit/96d663ad34f1def5c41a8fe656c15d5c312dffe2
(e.g. 2.16 and later).

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