The slices "usr", "opt", "tmp" disappeared!!! Help please.


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Operating Systems Solaris The slices "usr", "opt", "tmp" disappeared!!! Help please.
# 1  
The slices "usr", "opt", "tmp" disappeared!!! Help please.

The system don't boot.
on the screen appears following:

Code:
press enter to maintenance (or type CTRL-D to continue)...

I checked with format command.

... the slices "0-root","1-swap","2-backup" exist.

...the slises "3-var","6-usr" -unassigned. Smilie
# 2  
Post contents of /etc/vfstab.
# 3  
Code:
#device        device        mount        FS    fsck    mount    mount
#to mount    to fsck        point        type    pass    at boot    options
#
fd    -    /dev/fd    fd    -    no    -
/proc    -    /proc    proc    -    no    -
/dev/dsk/c0t0d0s1    -    -    swap    -    no    -
/dev/dsk/c0t0d0s0    /dev/rdsk/c0t0d0s0    /    ufs    1    no    -
/devices    -    /devices    devfs    -    no    -
sharefs-                     /etc/dfs/sharefs         sarefs-
ctfs    -    /system/contract    ctfs    -    no    -
objfs    -    /system/object    objfs    -    no    -
swap -             /tmp       tmpfs                                   yes

---------- Post updated at 11:15 AM ---------- Previous update was at 11:13 AM ----------

Code:
# vi /etc/vfstab
"/var/tmp/ExREa4fa" Read-only fille system
#


Last edited by wolfgang; 05-23-2012 at 06:46 AM..
# 4  
/etc/vfstab indicates that /opt and /usr are not separate slices, but part of the root filesystem.
# 5  
believe me Bartus11 /usr slice was separate still 24 hours ago.
# 6  
if it was, why is there no sign in vfstab?
# 7  
Do you have some archived output of mount command from before the reboot?
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