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Date: Mon, 9 Nov 2009 08:03:35 -0800
From: Andrew Sharp <andy.sharp@lsi.com>
To: "Irie, Shin" <Shin.Irie@lsi.com>
Cc: DL-ONStor-cstech <dl-cstech@lsi.com>
Subject: Re: CIFS Unix Extensions and slowness with "mount -t cifs"  (Case
 13556)
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On Mon, 9 Nov 2009 01:02:52 -0700 "Irie, Shin" <Shin.Irie@lsi.com>
wrote:

> When I mounted a CIFS share from Bobcat on a Linux client using
> "mount -t cifs", "touch file" took 30 sec to
> complete.  /var/log/messages on Linux had these messages.
> 
> Nov  9 16:23:37 dhcp-135-36-90-216 kernel:  CIFS VFS: Send error in
> SETFSUnixInfo = -5 Nov  9 16:24:50 dhcp-135-36-90-216 kernel:  CIFS
> VFS: server not responding Nov  9 16:24:50 dhcp-135-36-90-216
> kernel:  CIFS VFS: No response for cmd 50 mid 16 Nov  9 16:24:54
> dhcp-135-36-90-216 kernel:  CIFS VFS: Send error in SETFSUnixInfo =
> -5 Nov  9 16:24:54 dhcp-135-36-90-216 kernel:  CIFS VFS: Negotiating
> Unix capabilities with the server failed.  Consider mounting with the
> Unix Extensions Nov  9 16:24:54 dhcp-135-36-90-216 kernel: disabled,
> if problems are found, by specifying the nounix mount option. Nov  9
> 16:24:59 dhcp-135-36-90-216 kernel:  CIFS VFS: Send error in Close =
> -9
> 
> After I disabled the CIFS Unix Extensions with the following
> commands, the same command completed in a few seconds.
> 
> # modprobe cifs
> # echo 0 > /proc/fs/cifs/LinuxExtensionsEnabled
> 
> It seems that we don't support the CIFS Unix Extensions. correct?

Correct ~:^)

> UNIX Extensions (Samba Wiki)
> http://wiki.samba.org/index.php/UNIX_Extensions
> 
> --
> Irie
> 
> 
> 
