On Tue, Oct 1, 2013 at 7:36 AM, wrote:
> Here is a patch for a new aufs mount option "noaiop".
> - apply the patch (to aufs source files) and rebuild your aufs module.
> - when you mount aufs with zfs branches, add a mount option "noaiop".
>
> Since this is a dirty workaround for a non-mainline f
Pui Yong Ng:
> I appreciate it if you have any ideas :) otherwise, perhaps I will try
> non-nfs network file systems.
Here is a patch for a new aufs mount option "noaiop".
- apply the patch (to aufs source files) and rebuild your aufs module.
- when you mount aufs with zfs branches, add a mount op
On 30 Sep 2013 15:39, <[1]sf...@users.sourceforge.net> wrote:
> It means zfs doesn't implement aio_write() file operation, and aufs
> doesn't support such filesystem.
[]
> If you know anything about a zfs plan to implement aio_read/_write,
> please let me know.
Indeed. Armed
Pui Yong Ng:
> You're right. Sorry I didn't notice this pertinent info - I think it is
> because it was only produced once and I only checked the syslog after
> various other log entries went in.
>
> What do these logs indicate?
It means zfs doesn't implement aio_write() file operation, and aufs
On 30 Sep 2013 14:32, <[1]sf...@users.sourceforge.net> wrote:
>
>
> Pui Yong Ng:
> > - I'm unable to write via nfs to an aufs union of zfs branches. The
> > file is created, but nothing is written to the file, and nfs reports
> > errno -38 (ENOSYS).
> > - Writing directly
Pui Yong Ng:
> - I'm unable to write via nfs to an aufs union of zfs branches. The
> file is created, but nothing is written to the file, and nfs reports
> errno -38 (ENOSYS).
> - Writing directly to the aufs union (ie, bypass the nfs mount) works.
> - Reading via the nfs mount seems to work.
> -
Pui Yong Ng:
> To umount, you can do "zfs umount d1" and "zfs mount d1" to mount again.
Ok, thanks.
I will try later and send you a debug patch (probably) in a few days.
J. R. Okajima
--
October Webinars: Code for Perf
On 30 Sep 2013 11:21, <[1]sf...@users.sourceforge.net> wrote:
> In your procedure,
>
> > # zpool create d1 /run/shm/d1
> > # zpool create d2 /run/shm/d2
> > # mount -t aufs none /ds -o br:/d1=rw:/d2=rw,xino=/run/shm/ds.aufs.xino
>
> "zpool create" seems to be as "mount -t
Hello Pui Yong Ng,
Thankx for the detailed report.
I am trying reproducing the problem on my test machine.
But I am very novice for zfs, will you guide me a little more?
In your procedure,
> # zpool create d1 /run/shm/d1
> # zpool create d2 /run/shm/d2
> # mount -t aufs none /ds -o br:/d1=rw:/d
