[Gluster-devel] Direct IO and Async IO

[Anand Avati]

Fuse supports AIO on non direct-io file descriptors after 2.6.19. which
kernel version are you using?

avati

2008/1/30, Gareth Bult <gareth at encryptec.net>:
>
> Hi,
>
> I'm trying to get XEN instances to run on Gluster .. and they run on the
> "file:" driver no problems at all.
>
> However I'm being recommended the "tap:aio" driver as the "file:" driver
> has many problems with regards to flushing and data loss.
>
> It does appear however that aio:tap does not get on (at all) with Gluster.
>
> The requirements appear to be Direct IO and Async transfers ... can anyone
> think of a reason why the XEN driver might not want to talk to Gluster?
> (apparently it works fine on other network filesystems such as NFS)
>
> (I've tried mounting the glusterfs with Direct IO enabled and disabled,
> but it makes no difference ...)
> tia
> Gareth.
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As Dame Fortune did intend,
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