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This error occurs when you use the fdisk utility in the Solaris operating environment, do a newfs, and then do a restore, but forget to do the install for the boot block. When you do a newfs and then a restore operation, you need to perform an installboot before installing the OS. Otherwise, you get the above error. There is no guarantee, but the installboot procedure might or might not work after booting into single user mode from the CD-ROM.

To install the UFS boot block and partition the boot program on slice 2 of target 0 on controller 1 of the platform, where the command is being run, use the following:

# installboot /usr/platform/uname -i/lib/fs/ufs/pboot \           
/usr/platform/uname -i/lib/fs/ufs/bootblk /dev/rdsk/c1t0d0s2