[Samba] strange kind of sharing violation disappearing with socket options

Philippe Strauss philippe.strauss at goelaan.ch
Thu Aug 24 14:24:38 GMT 2006


On a samba (3.0.22 from samba.org on FC4) setup running at
one of our customer site, we got a strange kind of bogus sharing
violation using
excel and word (french version).

the messages, translated in english:


"saving of the document has succeeded, but Excel was not able to
reopen-it due to
a sharing violation. Close the document and try to reopen-it".

"New sheet.xls is locked for modification by "Microsoft Corporation".
Open the document using the read-only option or click on Notify to open
a read-only copy of the document and get notified when the document
will be available".


"Unable to save: insufficiant memory or disk space".

small screenshots attached.

Now the strange thing is that those bogus behavior have ceased after
putting the following socket options in smb.conf:


Anyone has an explanation?

here is the smb.conf:

        log level = 1
        netbios name = FILESERVER
        socket options = TCP_NODELAY SO_RCVBUF=8192 SO_SNDBUF=8192
        enable privileges = Yes
        delete user from group script =
/opt/IDEALX/sbin/smbldap-groupmod -x "%u" "%g"
        time server = Yes
        level2 oplocks = No
        oplocks = No
        cups options = "raw"
        ldap passwd sync = Yes
        logon script = logon.bat
        workgroup = FHS-SAMBA
        os level = 255
        ldap admin dn = cn=admin,dc=fhs,dc=ch
        printcap name = cups
        add machine script = /opt/IDEALX/sbin/smbldap-useradd -w "%u"
        directory mode = 700
        ldap user suffix = ou=Users
        add group script = /opt/IDEALX/sbin/smbldap-groupadd -p "%g"
        map acl inherit = Yes
        delete group script = /opt/IDEALX/sbin/smbldap-groupdel "%g"
        add user to group script = /opt/IDEALX/sbin/smbldap-groupmod -m
"%u" "%g"
        logon drive = H:
        username map = /etc/samba/smbusers
        domain master = Yes
        passdb backend = ldapsam:ldap://ldap/
        #logon home =
        case sensitive = No
        #wins support = Yes
        ldap delete dn = Yes
        server string =
        ldap group suffix = ou=Groups
        ldap machine suffix = ou=Computers
        ldap suffix = dc=fhs,dc=ch
        #logon path =
        set primary group script = /opt/IDEALX/sbin/smbldap-usermod -g
"%g" "%u"
        create mode = 700
        ldap idmap suffix = ou=Users
        domain logons = Yes

        comment = repertoire de %U, %u
        read only = No
        create mask = 0644
        directory mask = 0775
        browseable = No

        path = /home/samba/netlogon/
        browseable = No

        path = /home/samba/profiles
        valid users = %U, "@Domain Admins"
        force user = %U
        read only = No
        create mask = 0600
        directory mask = 0700
        guest ok = Yes
        profile acls = Yes
        browseable = No
        csc policy = disable

        comment = Donnees
        path = /data/donnee
        read only = No


Network & System Engineer
Goelaan SA, Switzerland
Tel. +41-22-960 98 20
Fax +41-22-960 98 21

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