Trond Myklebust wrote: > On Tue, 2008-01-08 at 11:50 +0100, Michael Kerrisk wrote: >> Hi Trond, >> >> I suspect you and Timo are coming at this from different angles, and I >> think Timo's angle is closer to what I was thinking of when I asked my >> question. What I'm wondering about is this: two naive programs that use >> O_APPEND, unaware that the file they are writing to is on NFS. Will >> O_APPEND work in the expected way. It sounds to me as though the answer is >> (still, even with NFSv4) no, right? > > If the two programs are running on the same client, then the answer is > (and always has been), that O_APPEND will work correctly. > > If the two programs are not both running on the same client, then as far > as NFS is concerned, the question is nonsensical: there is no support > for two clients writing to the same file at the same time. Applications > that wish to do so have to use an appropriate file locking scheme.
Ahh -- okay. Here we see that my NFS knowledge is thin indeed ;-) Thanks for the info Trond! Cheers, Michael -- Michael Kerrisk Maintainer of the Linux man-pages project http://www.kernel.org/doc/man-pages/ Want to report a man-pages bug? Look here: http://www.kernel.org/doc/man-pages/reporting_bugs.html -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
