[Q] does "installbot" required to create bootable hard disk?

2007-12-24 21:09:00

We have SUN E450 with Solaris 2.7 installed. The bootable disk is
"c0t0d0". Due to the "/usr" too small, I re-partition the hard disk. The
procedure I doing are:

1. format -- repartion the size
2. newfs -m 1 /dev/dsk/c0t0d0sX
3. ufsrestore from tape to each partition
4. reboot

I forget to run "installboot bootblk /dev/rdsk/c0t0d0s0". The system
still boot up no problem. I remember "installboot" is required to make
hard disk as bootable disk. Dies anyone know why it work?

Thanks.

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