[Samba] Oplocks - when do they help

[Mike Leone]

On 05/23/2010 10:11 AM, Volker Lendecke wrote:
> On Sat, May 22, 2010 at 01:21:41PM -0400, Fred Kienker wrote:
>> I've been setting up Samba servers for years under the impression
>> (delusion) that Samba can't handle multiple users on Access .mdb files
>> correctly with op locks turned on. Has this changed in the 3.5.x branch?
>
> Well, it should work the same way (good or bad) it does
> against a Windows server. Once a second opener comes in, the
> oplocks should be broken anyway. If I remember correctly in
> the past I have seen hints by Microsoft how to turn oplocks
> off in Windows server for shares that host Access files, so
> this problem might not be samba-specific and/or fixed in
> recent Windows.

I can remember having to vastly increase the record-locking features of 
Netware 4, if you had users using Access dbs, especially multi-user. 
That was back around 2000 or so, so record-locking issues with Access 
dbs have been around for a really long time ...