[Samba] File locking problem involving Samba, Clearcase, and Cygwin

Kathy banshee135 at gmail.com
Fri Feb 6 22:02:33 GMT 2009

Thanks for the reply Rob.  That was my assumption that oplocks=no
overrides everything (but put them all in there just in case).  The
Samba shares are all related to Clearcase, which is why we have
oplocks definitions under global instead of individual shares.
(Although I suppose the home directories don't apply to that statement
I just made.)  Originally we were using "ads" authentication instead
of "domain", but IBM wanted it changed to domain because that's what
they claim to support for Clearcase.  It didn't make any difference in
how Samba is behaving.  They also insisted on a username.map for the
clearcase_albd account.  Before that, we didn't have one due to
authenticating to our Active Directory server.

[root at flint samba]# testparm
Load smb config files from /etc/samba/smb.conf
Processing section "[homes]"
Processing section "[vobstore]"
Processing section "[scriptlogs]"
Processing section "[vws]"
Processing section "[views]"
Loaded services file OK.
WARNING: You have some share names that are longer than 12 characters.
These may not be accessible to some older clients.
(Eg. Windows9x, WindowsMe, and smbclient prior to Samba 3.0.)
Press enter to see a dump of your service definitions

        workgroup = <company>
        realm = <company>.COM
        server string = Flint Samba Server
        security = DOMAIN
        password server = <domain server name>
        username map = /etc/samba/username.map
        log level = 2
        log file = /var/log/samba/log.%m
        max log size = 0
        deadtime = 15
        dns proxy = No
        kernel oplocks = No
        lock directory = /var/log/samba/locks
        host msdfs = No
        invalid users = @root, @wheel, @bin, @sys, @admin
        create mask = 0775
        directory mask = 0775
        case sensitive = No
        map archive = No
        oplocks = No
        level2 oplocks = No
        dont descend = /proc,/dev
        fake directory create times = Yes

        comment = Home Directories
        read only = No
        create mask = 0755
        browseable = No

        comment = vobstore
        path = /vobs
        write list = @cozcmusr
        read only = No

        comment = Flint /scriptlogs
        path = /vandv/scriptlogs
        write list = @cozcmusr
        read only = No

        comment = Flint /vws
        path = /vandv/vws
        write list = @cozcmusr
        read only = No

        comment = Flint views
        path = /view
        read list = @cozcmusr, aramac
        write list = @cozcmusr
        read only = No

On Fri, Feb 6, 2009 at 1:23 PM, Rob Shinn <rob.shinn at gmail.com> wrote:
> <snip>
> Note that oplocks parameter should be set per share.  Please post the output
> of your 'testparm' command.

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