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A few comments:
1. When you play on your system, create a backup BE first, then you can boot from the backup BE by
selecting it from the GRUB menu.
If you already have a previous BE, then you can boot from it to recover.
2. For your current problem, follow the steps here:
3. Basically, you need to boot from the LiveCD or the network and select the option to drop to a shell.
Then import the root pool and mount the BE. Then, carefully edit the /etc/system file to remove the
missing module references.
Thanks Cindy, i am appreciate this :D !
1. Boot from LIVECD
2. Become su
3. Import root pool
#zpool import rpool
4. Mounting be in new directory _/be_
# beadm mount solaris /be
My boot environment name is "solaris"
5. Editing _/etc/system_ in _/be_ directory
6. Update bootarchive
#bootadm update-archive -R /a
7. Umount and export pool, or just reboot
Thats all steps!
No need for an alternate boot env or to boot from LiveCD to recover a corrupted /etc/system.
Boot with the "-a" option. When asked what file to use for /etc/system, use /dev/null.
x86: How to Modify Boot Parameters at Boot Time
When you modify the default kernel usage by editing the GRUB menu at boot time, the changes do not persist over a system reboot. The default boot parameters are restored the next time you boot the system.
Reboot the system.
When the boot sequence begins, the GRUB main menu is displayed.
Use the arrow keys to select the boot entry to edit.
Type e to access the GRUB edit menu.
Select the kernel$ line in the menu.
Type e to add boot arguments to the line.
Type any additional boot arguments.
Press Return to save your changes and return to the previous menu.
Note - Pressing the Escape key returns you to the GRUB main menu without saving your changes.
To boot the system, type b.
Changes you make take effect when the system is booted.