On Mon, 2004-10-18 at 10:22, Paul Howarth wrote: > Nick Pierpoint wrote: > > Hello all. > > > > If I have a disk mounted on /opt: > > > > mount /dev/hdb1 /opt > > > > but then also have another disk mounted on /opt/thensome > > > > mount /dev/hdb2 /opt/thensome > > > > In /etc/fstab I'd have something like: > > > > LABEL=/opt /opt ext3 defaults 1 2 > > LABEL=/opt/thensome /opt/thensome ext3 defaults 1 2 > > > > My question is will this always work? When directory mounts have a > > degree of inter-dependence how do you specify the mount order? Does the > > mount process religiously follow through the order in fstab? > > "man 8 mount" suggests that mount does choose the correct order to use, > because if you look at the -F option to fork a separate mount process for each > filesystem, it says "This will do the mounts on different devices or different > NFS servers in parallel. This has the advantage that it is faster; also NFS > timeouts go in parallel. A disadvantage is that the mounts are done in > undefined order. Thus, you cannot use this option if you want to mount both > /usr and /usr/spool." The implication is therefore that if you don't use the > -F option, mount will get the order right. It was the man page that led to my question really - I wondered what happened at boot time. Are they mounted in parallel or in series? -- nick
