[Samba] Re: How Samba let us down
vorlon at netexpress.net
Thu Oct 24 02:02:59 GMT 2002
On Thu, Oct 24, 2002 at 11:38:55AM +1000, Matthew Hannigan wrote:
> On Wed, Oct 23, 2002 at 02:14:41PM -0700, Marc Jacobsen wrote:
> > [ ... ]
> > Similarly, record locks and share mode locks from SMB clients are both
> > ignored by NFS clients/other UNIX processes (with the possible exception
> > of newer Linux systems, they might actually enforce share mode locks).
> > In theory this could also cause corruption, although in practice it is
> > almost never an issue.
> I have read in the docs that Samba locks and Unix locks
> _DO_ notice each other, with the caveats that Unix lock
> daemons are sometimes buggy and that Unix locks can only
> lock the first 2^31 bytes of a file.
> Please tell me that they do in fact notice each other.
Oplocks are not part of the traditional lock semantics available on
Unix. If you aren't running a kernel (Irix or Linux) that implements
oplocks, you MUST NOT use oplocks if the files will be accessed by
applications other than Samba.
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