[linux-cifs-client] write problem to NAS - cp is fine, rsync fails

[Jeff Layton]

On Sat, 21 Feb 2009 10:51:59 +0100
Michael Geiger <info at mgeiger.de> wrote:

> Feb 20 15:32:08 box2 kernel:  CIFS VFS: server not responding
> Feb 20 15:32:08 box2 kernel:  CIFS VFS: No response for cmd 50 mid 158
> Feb 20 15:51:35 box2 kernel:  CIFS VFS: No response to cmd 47 mid 346
> Feb 20 15:51:35 box2 kernel:  CIFS VFS: No response for cmd 50 mid 347

Sent some requests to which the server never responded...

> Feb 20 15:51:35 box2 kernel:  CIFS VFS: Write2 ret -11, wrote 0
> Feb 20 15:51:36 box2 kernel:  CIFS VFS: Write2 ret -5, wrote 0
> Feb 20 15:51:37 box2 kernel:  CIFS VFS: Write2 ret -5, wrote 0
> Feb 20 15:51:37 box2 kernel:  CIFS VFS: Write2 ret -11, wrote 0
> Feb 20 15:51:38 box2 kernel:  CIFS VFS: Write2 ret -5, wrote 0
> Feb 20 15:51:38 box2 kernel:  CIFS VFS: Write2 ret -11, wrote 0

-11 is EAGAIN, -5 is EIO. My guess would be that the server isn't handling the load well, but it's hard to know for sure. Aside from the messages, what exactly is the problem? Does the rsync error out? Is there data corruption?

-- 
Jeff Layton <jlayton at redhat.com>