[linux-cifs-client] Re: Linux CIFS to NT4 Server Problem

[Steven French]

> I have a Windows NT4 Server SP6 share that I am mounting from Linux
(Kernel
> = 2.6.13-15.8-default (Suse 10.0)).  I have tried using both SMBFS and
> CIFS.  Both have problems...
>
> I tired smbfs first, my fstab line:
> //server/alidata /mnt/alidata  smbfs
username=mlinehan%password,fmask=777 0 0
> Mostly works, but I get random input/output errors while copying files,
and
> sometimes smbfs hangs locking up any process that accesses the mounted
share
> /var/log/messages shows lots of smb timeouts, and the occasional invalid
> NBT packet received
> The invalid NBT packets seem to cause smbfs to hang..
> ifconfig shows 0 errors, 0 dropped, 0 overruns for both the TX and RX
> statistics for the ethernet interface
Not sure what the smbfs problem is, but cifs does handle a reasonable
subset
of the old style NT4 operations (not ideal NT4 support but good enough for
casual use).


> I tried cifs second, my fstab line is:
> //server/alidata  /mnt/alidata  cifs
>
user=mlinehan#password,uid=mlinehan,gid=users,file_mode=0777,dir_mode=0777
0 0
> The share mounts ok, I can read files just fine, but attempts to write
> files, randomly fails leaving a file on the NT server in a state that
> cannot be accessed by anyone. The files appear to have no owner, cannot
be
> deleted or accessed by the NT administrator.  When administrator attempts

> to take ownership of the file, he gets accessed denied.  NT server
manager

I vaguely remember CIFS setting "delete-on-close" on NT4 files prior to
CIFS version 1.31 which
might be what is causing this problem.  Versions above cifs 1.32 should be
fine.

Steve French
Senior Software Engineer
Linux Technology Center - IBM Austin
phone: 512-838-2294
email: sfrench at-sign us dot ibm dot com
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