Re: Urgent problem while using Fio to test random write performance

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On 21 May 2015 at 15:22, David Nellans <david@xxxxxxxxxxx> wrote:
> you're randwrite to a raw partition. if you had a filesystem on that
> partition you were trying to use, then well, your data is gone/corrupted.
> without a filesystem on it, i'm not sure how you'd think that your disc
> usage has become "100%" without some xgui widgit warning you, so seems
> likely you did something you didn't mean to with regards to writing to
> /dev/sdb1 directly
>
> if you use fio on devices/partitions with a filesystem, you need to have it
> write to files or it will trash your filesystem

It's unlikely but it wasn't mentioned which partition became 100%
full. You should also make sure that /dev/sdb1 really exists as a
block device (e.g. via using file) otherwise you'll make/fill a
standard file called /dev/sdb1 .

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