This thread comes close to explaining a few things I've wondered about for a
while
plus brings up a new definition for low level formatting that seems way beyond
anything I can see useful.
Q1)
" Important drive information (servo, sector layout, and defect
management, etc.) is stored in the low-level format at the
factory. This information is designed to last the life of the
drive and therefore it is not possible to low level the drive
outside the factory. " So this is not what nyal wants to do?
If someone really could do this why would they find it useful to do so?
And can linui read the info?
Q2) Does Powermax just diagnose disk integrity?, or does it does what the quote
in "Q1)" describes storing it in a way that is designed to last the life of the
drive?
Or store in in another way. The compatabilty specs for the software only admit
to compatability with $M oses If this is something that can show linux where it
can write to and where it can not it would be very useful to me.
Q3)Shred sounds excellent for removing all traces of previous files, but 25X?,
isn't that overkill?
Q4) I've heard it suggested that 4x through using the dd command to write
zeros through the mbr to the end of the drive is enough hide sensitive old
files,
how true is that?
I thank any who are patient enough to answer any or all of the above.
John W Fleming
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