mount -u -o rw / not working on NFS?
gandalf at shopzeus.com
Mon Nov 19 09:33:47 PST 2007
I have a system where a diskless FreeBSD 6.3 i386 machine boots with pxeboot from a FreeBSD 6.3 amd64 machine. I have lines in /etc/fstab for the diskless machine like:
# Device MountPoint FsType Options Dump Pass
172.16.0.1:/usr /usr nfs rw 0 0
172.16.0.1:/mnt/d2/rootfs/root /root nfs rw 0 0
The machine boots from network nicely, then I can login as root and invoke these commands:
mount -u -o rw /
mount -u -o rw /usr
mount -u -o rw /root
There is no error message on the console, nor in the system log. However, this happens afterwards:
mkdir aaa: Read-only file system
Question: if the remount did not succeed, why didn't it throw an error? If succeeded, why can't I write on the filesystem?
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