Re: NFS--mounted builddirs and detecting clock skew

2007-11-21 Thread Bob Friesenhahn
On Thu, 22 Nov 2007, Harlan Stenn wrote: I use the last one quite often these days but sometimes I use the first. More than likely the various different possibilities I pointed out seem a bit tiresome but they will eventually be important to someone. I did miss one important case which is t

Re: NFS--mounted builddirs and detecting clock skew

2007-11-21 Thread Harlan Stenn
And of course, NFS file attribute caching can make detecting clock skew a whole lot more interesting. H

Re: NFS--mounted builddirs and detecting clock skew

2007-11-21 Thread Harlan Stenn
Bob Friesenhahn wrote: > On Thu, 22 Nov 2007, Harlan Stenn wrote: > > I *think* I'd be happy with 'clock skew in the build directory'. > > You mean like > >CPU -- NFS (Sources + Objects) This is one case I know I care about. > or > > NFS1 (Sources) > / >CPU > \ >

Re: NFS--mounted builddirs and detecting clock skew

2007-11-21 Thread Bob Friesenhahn
On Thu, 22 Nov 2007, Harlan Stenn wrote: All of these problems are possible. Some issues are seen by GNU make and others are not. I *think* I'd be happy with 'clock skew in the build directory'. You mean like CPU -- NFS (Sources + Objects) or NFS1 (Sources) / CPU

Re: NFS--mounted builddirs and detecting clock skew

2007-11-21 Thread Harlan Stenn
Bob Friesenhahn wrote: > On Wed, 21 Nov 2007, Harlan Stenn wrote: > > > > A variety of problems can crop up if one is "doing things" in an > > NFS-mounted filesystem and there is clock skew between the local machine > > (NFS client box) and the machine that hosts the actual filesystem (NFS > > ser

Re: NFS--mounted builddirs and detecting clock skew

2007-11-21 Thread Bob Friesenhahn
On Wed, 21 Nov 2007, Harlan Stenn wrote: A variety of problems can crop up if one is "doing things" in an NFS-mounted filesystem and there is clock skew between the local machine (NFS client box) and the machine that hosts the actual filesystem (NFS server box). I suggest that you check out s

NFS--mounted builddirs and detecting clock skew

2007-11-21 Thread Harlan Stenn
I have not put enough thought into the following. A variety of problems can crop up if one is "doing things" in an NFS-mounted filesystem and there is clock skew between the local machine (NFS client box) and the machine that hosts the actual filesystem (NFS server box). I am thinking there may