how good is the data reliability with CD ROM and DVD RAM?

Carlo Pisani carlojpisani at
Sat Jul 21 14:25:57 CDT 2018

what about MO? (magneto-optic disks)

- WORM (write once, read many)
- WMRM (write many, read many)

and what about magnetic-tapes? (e.g. DDS4, DLT, LTO2)

which of them lasts for the most?

MO units and disks are a bit costly
say >=50 euro for 4.5Gbyte R/W cartridge
and say >=500 euro for the driver unit (SCSI)

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