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mount --bind из HN в VE problems [message #12020] Sun, 15 April 2007 16:21 Go to previous message
enpx is currently offline  enpx
Messages: 50
Registered: October 2006
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# cat /etc/vz/conf/101.mount
#!/bin/bash

. /etc/vz/vz.conf

mount -o bind /data/tmp $VE_ROOT/data/tmp

# cat /etc/vz/conf/101.umount
#!/bin/bash

. /etc/vz/vz.conf

mount

umount $VE_ROOT/data/tmp

# vzctl start 101
Starting VE ...
VE is mounted
Setting CPU units: 1000
VE start in progress...

# vzctl stop 101
Stopping VE ...
VE was stopped
/dev/md0 on / type ext3 (rw)
proc on /proc type proc (rw,noexec,nosuid,gid=19)
sysfs on /sys type sysfs (rw)
udevfs on /dev type tmpfs (rw)
devpts on /dev/pts type devpts (rw)
shmfs on /dev/shm type tmpfs (rw)
tmpfs on /tmp type tmpfs (rw,nosuid)
/dev/md1 on /data type ext3 (rw)
/data/tmp on /data/vz/root/101/data/tmp type none (rw,bind)
umount: /data/tmp: not mounted
umount: /data/tmp: not mounted
Error executing umount script /etc/vz/conf/101.umount

Почему mount показывает, что /data/tmp смонтирован, а umount не может его размонтировать?

Если /etc/vz/conf/101.umount удалить, то после остановки VE мы увидим:

# mount
/dev/md0 on / type ext3 (rw)
proc on /proc type proc (rw,noexec,nosuid,gid=19)
sysfs on /sys type sysfs (rw)
udevfs on /dev type tmpfs (rw)
devpts on /dev/pts type devpts (rw)
shmfs on /dev/shm type tmpfs (rw)
tmpfs on /tmp type tmpfs (rw,nosuid)
/dev/md1 on /data type ext3 (rw)
/data/tmp on /data/vz/root/101/data/tmp type none (rw,bind)

# umount /data/vz/root/101/data/tmp
umount: /data/tmp: not mounted
umount: /data/vz/root/101/data/tmp: not found
umount: /data/tmp: not mounted
umount: /data/vz/root/101/data/tmp: not found

# umount /data/tmp
umount: /data/tmp: not mounted

# ls /data/vz/root/101

Т.е. $VE_ROOT размонтируется раньше, чем вызывается /etc/vz/conf/101.umount

Почему это может происходить?
 
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