Sitsofe Wheeler

Hi @derek-wan . Initially you mentioned the group_reporting wasn't valid could you elaborate on just how it is not valid?

@hualong1009 I'm not aware of anyone actively working on this but would you like to have a try?

@macdice any follow up on this one?

@theknowledge can you bisect it down to a commit please? See https://github.com/axboe/fio/issues/587#issuecomment-383567687 and below (also see https://github.com/axboe/fio/issues/805#issuecomment-514135835 and below) for examples of this.

Ah it's a `randrw` verify job. OK I'd say this is #740, #746 and #844, #930 ...

@wangyihanlarry I'd recommend steering clear of `randrw` verification jobs - they are notorious for being difficult.

Well here's the thing: technically it IS supported in the Linux sense that it quietly falls back to buffered I/O rather than making fio throw an error right? And if...

> couldn't your argument also be made about Open-BSD and Solaris Those will cause errors to be thrown (and I can't see ZFS on Solaris ever supporting direct at this...

@s-h-a-d-o-w can you see which NTFS driver you're using? Should be visible in `mount` output...

I'm pretty sure that means you're using NTFS-3g via FUSE. You can probably use `lsblk` to confirm...