Date: Thu, 7 Aug 2003 10:49:02 -0700 (PDT) From: Max Okumoto <okumoto@oec-server5.ucsd.edu> To: FreeBSD-gnats-submit@FreeBSD.org Cc: okumoto@ucsd.edu Subject: bin/55349: Amd mixes up symlinks in it's virtual filesystem. Message-ID: <200308071749.h77Hn2ws069627@oec-server5.ucsd.edu> Resent-Message-ID: <200308071750.h77HoBB6096457@freefall.freebsd.org>
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>Number: 55349
>Category: bin
>Synopsis: Amd mixes up symlinks in it's virtual filesystem.
>Confidential: no
>Severity: serious
>Priority: high
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Thu Aug 07 10:50:11 PDT 2003
>Closed-Date:
>Last-Modified:
>Originator: Max Okumoto
>Release: FreeBSD 4.7-RELEASE-p9 i386
>Organization:
Univ Calif, San Diego
>Environment:
System: FreeBSD oec-server5.ucsd.edu 4.7-RELEASE-p9 FreeBSD 4.7-RELEASE-p9 #0: Wed Mar 26 17:30:56 PST 2003 root@oec-server5.ucsd.edu:/usr/obj/usr/src/sys/DELL_SERVER i386
NetApp: NFS server providing user home directories.
amd: am-utils version 6.0.3s1 (build 470000).
>Description:
Bad symlinks are presented when multiple programs try to open filesystems
controlled by amd. The correct nfs filesystems are mounted but the links created
in the virutal filesystem are mixed up.
lrwxrwxrwx 1 root wheel 52 Aug 7 10:40 /home/dhutches -> /.amd_mnt/jsoefs/vol/vol0/unix/home/de/prog/dhutches
lrwxrwxrwx 1 root wheel 48 Aug 7 10:40 /home/dstevens -> /.amd_mnt/jsoefs/vol/vol0/unix/home/de/staff/jpr
lrwxrwxrwx 1 root wheel 52 Aug 7 10:40 /home/grh -> /.amd_mnt/jsoefs/vol/vol0/unix/home/de/prog/dhutches
lrwxrwxrwx 1 root wheel 48 Aug 7 10:40 /home/jlgibson -> /.amd_mnt/jsoefs/vol/vol0/unix/home/de/staff/grh
lrwxrwxrwx 1 root wheel 53 Aug 7 10:40 /home/jpr -> /.amd_mnt/jsoefs/vol/vol0/unix/home/de/staff/jlgibson
lrwxrwxrwx 1 root wheel 52 Aug 7 10:40 /home/oconnor -> /.amd_mnt/jsoefs/vol/vol0/unix/home/de/prog/dstevens
lrwxrwxrwx 1 root wheel 52 Aug 6 04:28 /home/okumoto -> /.amd_mnt/jsoefs/vol/vol0/unix/home/de/staff/okumoto
jsoefs:/vol/vol0/unix/home/de/staff/okumoto 221987 200502 21484 90% /.amd_mnt/jsoefs/vol/vol0/unix/home/de/staff/okumoto
jsoefs:/vol/vol0/unix/home/de/prog/dhutches 221987 200502 21484 90% /.amd_mnt/jsoefs/vol/vol0/unix/home/de/prog/dhutches
jsoefs:/vol/vol0/unix/home/de/staff/grh 221987 200502 21484 90% /.amd_mnt/jsoefs/vol/vol0/unix/home/de/staff/grh
jsoefs:/vol/vol0/unix/home/de/staff/jlgibson 221987 200502 21484 90% /.amd_mnt/jsoefs/vol/vol0/unix/home/de/staff/jlgibson
jsoefs:/vol/vol0/unix/home/de/staff/jpr 221987 200502 21484 90% /.amd_mnt/jsoefs/vol/vol0/unix/home/de/staff/jpr
jsoefs:/vol/vol0/unix/home/de/prog/dstevens 221987 200502 21484 90% /.amd_mnt/jsoefs/vol/vol0/unix/home/de/prog/dstevens
jsoefs:/vol/vol0/unix/home/de/staff/oconnor 221987 200502 21484 90% /.amd_mnt/jsoefs/vol/vol0/unix/home/de/staff/oconnor
>How-To-Repeat:
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% cat /etc/amd.conf
# GLOBAL OPTIONS SECTION
[ global ]
browsable_dirs = no
map_type = nis
auto_dir = /.amd_mnt
#cache_duration = 300
cache_duration = 60 # make things break faster.
#debug_options = all
log_file = /var/log/amd
log_options = all
pid_file = /var/run/amd.pid
plock = yes
print_pid = yes
print_version = no
restart_mounts = yes
selectors_on_default = yes
unmount_on_exit = yes
# DEFINE AN AMD MOUNT POINT
[ /home ]
map_name = amd.home
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% pcat amd.home
/defaults opts:=dev,grpid,intr,nosuid,proto=tcp,quota,resvport,rw,soft,vers=3
dhutches type:=nfs;rhost:=jsoefs;rfs:=/vol/vol0/unix/home/de/prog/${key}
dstevens type:=nfs;rhost:=jsoefs;rfs:=/vol/vol0/unix/home/de/prog/${key}
grh type:=nfs;rhost:=jsoefs;rfs:=/vol/vol0/unix/home/de/staff/${key}
jlgibson type:=nfs;rhost:=jsoefs;rfs:=/vol/vol0/unix/home/de/staff/${key}
jpr type:=nfs;rhost:=jsoefs;rfs:=/vol/vol0/unix/home/de/staff/${key}
oconnor type:=nfs;rhost:=jsoefs;rfs:=/vol/vol0/unix/home/de/staff/${key}
okumoto type:=nfs;rhost:=jsoefs;rfs:=/vol/vol0/unix/home/de/staff/${key}
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
#!/bin/sh
while true; do
echo XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
df -t nfs | grep jsoefs
ls -l /home/
echo YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY
for i in dhutches dstevens grh jlgibson jpr oconnor okumoto; do
cat /home/$i/.cshrc > /dev/null &
done
df -t nfs | grep jsoefs
for i in dhutches dstevens grh jlgibson jpr oconnor okumoto; do
ls -l /home/$i
done
sleep 300
done
exit 0
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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