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Full Discussion: Can't see home folder on one NFS mount but can in another mount on another share
Special Forums IP Networking Can't see home folder on one NFS mount but can in another mount on another share Post 302385656 by Narnie on Saturday 9th of January 2010 12:22:45 AM
Old 01-09-2010
Network [SOLVED] Can't see home folder on one NFS mount but can in another mount on another share
Hello,

I have a few Ubuntu 9.10 laptops I'm trying to learn NFS sharing with. I am just experimenting on this right now, so no harsh words about the security of what I'm playing with, please Smilie

Below are the configs

/etc/exports on host

Code:
/home/woodnt/Homeschool 192.168.1.0/24(rw,async,no_root_squash)
/home/share/HomeSchool 192.168.1.0/24(rw,async,no_root_squash)
/HomeSchool 192.168.1.0/24(rw,async,no_root_squash)
/home 192.168.1.0/24(rw,async,no_root_squash)
/ 192.168.1.0/24(rw,async,no_root_squash)

mounts on client

Code:
toshiba-laptop:/home/woodnt/Homeschool on /mnt/mnt1 type nfs (rw,addr=192.168.1.54)
toshiba-laptop:/home/share/HomeSchool on /mnt/mnt2 type nfs (rw,addr=192.168.1.54)
toshiba-laptop:/HomeSchool on /mnt/mnt3 type nfs (rw,addr=192.168.1.54)
toshiba-laptop:/ on /mnt/mnt4 type nfs (rw,addr=192.168.1.54)
toshiba-laptop:/home on /mnt/mnt5 type nfs (rw,addr=192.168.1.54)

on the host machine, /bin and /home have the same permissions:

Code:
woodnt@toshiba-laptop$ ls -dl home bin
drwxr-xr-x  2 root root 4096 2009-12-22 23:21 bin
drwxr-xr-x 16 root root 4096 2009-12-23 20:45 home

also on the host machine /home/woodnt and /HomeSchool have the same permissions:

Code:
woodnt@toshiba-laptop$ ls -ld /home/woodnt /HomeSchool/
drwxr-xr-x  2 woodnt woodnt 4096 2010-01-08 18:48 /HomeSchool/
drwxr-xr-x 95 woodnt woodnt 4096 2010-01-08 20:21 /home/woodnt

Also, these have the same permissions on the host machine.

Code:
woodnt@toshiba-laptop$ ls -ld /bin/bash /home /home/2009-12-22-22-img-of-os/ /home/2009-12-22-22-img-of-os/parts 
-rwxr-xr-x  1 root root 917960 2009-09-14 00:08 /bin/bash
drwxr-xr-x 16 root root   4096 2009-12-23 20:45 /home
drwxr-xr-x  2 root root   4096 2009-12-22 16:34 /home/2009-12-22-22-img-of-os/
-rwxr-xr-x  1 root root      5 2009-12-22 16:34 /home/2009-12-22-22-img-of-os/parts

From the client:
Code:
woodnt@luke-netbook:/mnt/mnt4$ ls -ld bin bin/bash
drwxr-xr-x 2 root root   4096 2009-12-22 23:21 bin
-rwxr-xr-x 1 root root 917960 2009-09-14 00:08 bin/bash
woodnt@luke-netbook:/mnt/mnt4$ ls home
woodnt@luke-netbook:/mnt/mnt4$

And I can see /bin, everything in /bin like /bin/bash, but not /home and any home contents.

I have the same GID and UID on both boxes (1000, not that that matters).

On the client with everything mounted as above, I can:

ls the contents of /bin, /home (via /mnt/mnt5), /, /home/woodnt/Homeschool/, /home/share/HomeScool, and /HomeSchool.

When I am on the mountpoint /mnt/mnt4 where the whole root directory is mounted and I " $ ls /mnt/mnt4/home " I get bupkis. Nada. Zilch.

Why can I see /home mounted on /mnt/mnt5 but not as a subdir of / when from the /mnt/mnt4?

I'm the same user in the same group logged into the same mountpoints on every one, but I can see inside the host /home when it is mounted directly, but not when it is mounted as root and cd'd too.

What gives?

Thanks for the help in advance,

Narnie

---------- Post updated at 11:22 PM ---------- Previous update was at 09:35 PM ----------

I set it up similarly on the same computer exporting only the root (/) directory. Same problem. Can't be a user/group problem or permission problem because it is the same user on the same computer/

The mount of root is to /mnt/mnt1

Notice the permissions below. I even cp -a /bin/bash /home just to have the same file with the same permissions and yet I can't see bash in /mnt/mnt1/home

Really crazy. This is duplicated on another pair of computers setups as well. not just this computer and the netbook above.

Code:
woodnt@toshiba-laptop / $ ls -ld /mnt/mnt1/home/ mnt/mnt1/bin/
drwxr-xr-x 2 root root 4096 2009-12-22 23:21 mnt/mnt1/bin/
drwxr-xr-x 2 root root 4096 2009-12-22 16:43 /mnt/mnt1/home/
woodnt@toshiba-laptop / $ ls -ld bin/ home/
drwxr-xr-x  2 root root 4096 2009-12-22 23:21 bin/
drwxrwxrwx 16 root root 4096 2010-01-08 23:10 home/
woodnt@toshiba-laptop / $ ls -l bin/bash home/bash 
-rwxr-xr-x 1 root root 917960 2009-09-14 00:08 bin/bash
-rwxr-xr-x 1 root root 917960 2009-09-14 00:08 home/bash
woodnt@toshiba-laptop / $ ls -ld /mnt/mnt1/home/ mnt/mnt1/bin/
drwxr-xr-x 2 root root 4096 2009-12-22 23:21 mnt/mnt1/bin/
drwxr-xr-x 2 root root 4096 2009-12-22 16:43 /mnt/mnt1/home/
woodnt@toshiba-laptop / $ ls /mnt/mnt1/home/ mnt/mnt1/bin/
mnt/mnt1/bin/:
bash                  dumpkeys    mktemp          sh
bunzip2               echo        more            sh.distrib
bzcat                 ed          mount           sleep
bzcmp                 egrep       mountpoint      stty
bzdiff                false       mt              su
bzegrep               fgconsole   mt-gnu          sync
bzexe                 fgrep       mv              tailf
bzfgrep               fuser       nano            tar
bzgrep                fusermount  nc              tempfile
bzip2                 grep        nc.traditional  touch
bzip2recover          gunzip      netcat          true
bzless                gzexe       netstat         ulockmgr_server
bzmore                gzip        ntfs-3g         umount
cat                   hostname    ntfs-3g.probe   uname
chgrp                 ip          open            uncompress
chmod                 kbd_mode    openvt          unicode_start
chown                 keyctl      pidof           vdir
chvt                  kill        ping            which
cp                    less        ping6           zcat
cpio                  lessecho    ps              zcmp
dash                  lessfile    pwd             zdiff
date                  lesskey     rbash           zegrep
dbus-cleanup-sockets  lesspipe    readlink        zfgrep
dbus-daemon           ln          rm              zforce
dbus-uuidgen          loadkeys    rmdir           zgrep
dd                    login       rnano           zless
df                    ls          run-parts       zmore
dir                   lsmod       sed             znew
dmesg                 mkdir       setfont
dnsdomainname         mknod       setupcon

/mnt/mnt1/home/:
woodnt@toshiba-laptop / $

again, nothing under /mnt/mnt1/home Smilie

errrrrrr
Last edited by Narnie; 01-09-2010 at 11:50 PM.. Reason: Problem is solved.
 

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