J'ai un petit soucis avec mon root en read only. Première chose, mon fstab :
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% grep -v '^#' /etc/fstab
none /dev/pts devpts defaults 0 0
none /dev/shm tmpfs defaults 0 0
none /tmp tmpfs defaults 0 0
/dev/sda1 / ext3 defaults 0 1
/dev/sdb1 /home ext3 defaults 0 1
/dev/sdb2 /srv ext3 defaults 0 1
/dev/sdb3 /var ext3 defaults 0 1
/dev/sdb4 swap swap defaults 0 0
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Targets (2): aspell-0.60.6-3 xorg-utils-7.4-2
Total Download Size: 1.04 MB
Total Installed Size: 4.00 MB
Proceed with installation? [Y/n]
:: Retrieving packages from extra...
aspell-0.60.6-3-i686 955.9K 845.8K/s 00:00:01 [###############################################################################] 100%
xorg-utils-7.4-2-i686 108.2K 460.9K/s 00:00:00 [###############################################################################] 100%
checking package integrity...
(2/2) checking for file conflicts [###############################################################################] 100%
error: cannot remove file '/usr/': Read-only file system
error: cannot remove file '/usr/': Read-only file system
/sbin/ldconfig: Can't create temporary cache file /etc/ld.so.cache~: Read-only file system
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% mount
/dev/sda1 on / type ext3 (rw)
none on /dev type ramfs (rw)
none on /proc type proc (rw)
none on /sys type sysfs (rw)
none on /dev/pts type devpts (rw)
none on /dev/shm type tmpfs (rw)
none on /tmp type tmpfs (rw)
/dev/sdb1 on /home type ext3 (rw)
/dev/sdb2 on /srv type ext3 (rw)
/dev/sdb3 on /var type ext3 (rw)
%
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% sudo mount -o remount,rw /
% sudo pacman -Syu
:: Synchronizing package databases...
core is up to date
extra is up to date
community is up to date
:: Starting full system upgrade...
resolving dependencies...
looking for inter-conflicts...
Targets (2): aspell-0.60.6-3 xorg-utils-7.4-2
Total Download Size: 0.00 MB
Total Installed Size: 4.00 MB
Proceed with installation? [Y/n]
checking package integrity...
(2/2) checking for file conflicts [###############################################################################] 100%
(1/2) upgrading aspell [###############################################################################] 100%
Optional dependencies for aspell
perl: to import old dictionaries
(2/2) upgrading xorg-utils [###############################################################################] 100%
%
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% sudo mount -o remount,ro /
mount: / is busy
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% lsof | egrep -i '[0-9]+[wu]'
bash 3049 ubitux 0u CHR 136,0 0t0 2 /dev/pts/0
bash 3049 ubitux 1u CHR 136,0 0t0 2 /dev/pts/0
bash 3049 ubitux 2u CHR 136,0 0t0 2 /dev/pts/0
bash 3049 ubitux 255u CHR 136,0 0t0 2 /dev/pts/0
bash 3052 ubitux 0u CHR 136,2 0t0 4 /dev/pts/2
bash 3052 ubitux 1u CHR 136,2 0t0 4 /dev/pts/2
bash 3052 ubitux 2u CHR 136,2 0t0 4 /dev/pts/2
bash 3052 ubitux 255u CHR 136,2 0t0 4 /dev/pts/2
irssi 3199 ubitux 0u CHR 136,0 0t0 2 /dev/pts/0
irssi 3199 ubitux 1u CHR 136,0 0t0 2 /dev/pts/0
irssi 3199 ubitux 2u CHR 136,0 0t0 2 /dev/pts/0
irssi 3199 ubitux 4u IPv4 11311 0t0 TCP 192.168.0.123:41419->lem.freenode.net:ircd (ESTABLISHED)
irssi 3199 ubitux 5u IPv4 11321 0t0 TCP 192.168.0.123:39785->irc.wirefull.org:ircd (ESTABLISHED)
mcabber 3203 ubitux 0u CHR 136,2 0t0 4 /dev/pts/2
mcabber 3203 ubitux 1u CHR 136,2 0t0 4 /dev/pts/2
mcabber 3203 ubitux 2u CHR 136,2 0t0 4 /dev/pts/2
mcabber 3203 ubitux 3u IPv4 29451 0t0 TCP 192.168.0.123:60301->80.248.214.47:5223 (ESTABLISHED)
bash 3432 ubitux 0u CHR 136,5 0t0 7 /dev/pts/5
bash 3432 ubitux 1u CHR 136,5 0t0 7 /dev/pts/5
bash 3432 ubitux 2u CHR 136,5 0t0 7 /dev/pts/5
bash 3432 ubitux 255u CHR 136,5 0t0 7 /dev/pts/5
newsbeute 5994 ubitux 0u CHR 136,5 0t0 7 /dev/pts/5
newsbeute 5994 ubitux 1u CHR 136,5 0t0 7 /dev/pts/5
newsbeute 5994 ubitux 2u CHR 136,5 0t0 7 /dev/pts/5
newsbeute 5994 ubitux 3uW REG 8,17 4 245910 /home/ubitux/.newsbeuter/cache.db.lock
newsbeute 5994 ubitux 5u REG 8,17 11292672 245762 /home/ubitux/.newsbeuter/cache.db
bash 6778 ubitux 0u CHR 136,6 0t0 8 /dev/pts/6
bash 6778 ubitux 1u CHR 136,6 0t0 8 /dev/pts/6
bash 6778 ubitux 2u CHR 136,6 0t0 8 /dev/pts/6
bash 6778 ubitux 255u CHR 136,6 0t0 8 /dev/pts/6
lsof 6846 ubitux 0u CHR 136,6 0t0 8 /dev/pts/6
lsof 6846 ubitux 1w FIFO 0,6 0t0 51385 pipe
lsof 6846 ubitux 2u CHR 136,6 0t0 8 /dev/pts/6
lsof 6846 ubitux 5w FIFO 0,6 0t0 51393 pipe
egrep 6847 ubitux 1u CHR 136,6 0t0 8 /dev/pts/6
egrep 6847 ubitux 2u CHR 136,6 0t0 8 /dev/pts/6
lsof 6848 ubitux 7w FIFO 0,6 0t0 51394 pipe
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