Hi Martin, Fantastic -- it solved my problem with the corrupted object files. Since the exports(5) manpage recommends using no_subtree_check for rapidly changing filesystems anyway, this is not such a bad solution.
Thanks, -- Gavrie . > -----Original Message----- > From: Martin Pool [mailto:[EMAIL PROTECTED] > Sent: Thursday, August 28, 2003 5:18 > To: [EMAIL PROTECTED]; [EMAIL PROTECTED] > Subject: [distcc] Fw: [NFS] nfs/mmap/rename file corruption > > > In summary: to make ccache work safely on an NFS filesystem, the > filesystem must be exported with no_subtree_check. Otherwise data can > be lost when it renames recently-written files. :-( > > > > ---------------------- > Begin forwarded message: > > Date: 27 Aug 2003 21:37:38 -0400 > From: Trond Myklebust <[EMAIL PROTECTED]> > To: Martin Pool <[EMAIL PROTECTED]> > Cc: [EMAIL PROTECTED] > Subject: Re: [NFS] nfs/mmap/rename file corruption > > > >>>>> " " == Martin Pool <[EMAIL PROTECTED]> writes: > > > - ccache runs distcc with output to a temporary file > > - distcc opens, mmaps, writes to, munmaps, and closes the > temporary > file > > - distcc exits > > - ccache renames the temporary file to its proper location in > the > ccache > > - ccache opens the file read only, and reads from it > > Is this a rename from one directory to the other? If so, are you using > the 'no_subtree_check' option on the server? Without the latter option > enabled, I would indeed expect the behaviour that you describe. > > Cheers, > Trond > > > -- > Martin > __ > distcc mailing list http://distcc.samba.org/ > To unsubscribe or change options: > http://lists.samba.org/cgi-bin/mailman/listinfo/distcc > > __ distcc mailing list http://distcc.samba.org/ To unsubscribe or change options: http://lists.samba.org/cgi-bin/mailman/listinfo/distcc
