As an aside, they're also really handy for altinst_rootvg work during
testing. I was able to boot under the original system, restore the disk
file mksysb to the altinst_rootvg, reboot, test, reboot, restore the
original system to altinst_rootvg, test something else, etc, much more
quickly than I would have had I used the 4mm tape for my mksysb's. Plus I
was able to keep multiple mksysb images without having to jog over to the
data center to swap tapes.
Alex
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