have you looked at linear tape open (LTO)? Go to http://www.LTO.org. This is a consortium that IBM, HP, Seagate and others are part of that increases the capacity of a DLT-sized (approx) cartridge to 100 GB uncompressed. The most impressive thing (IMHO) is that 8 year plan which doubles capacity every 2 years or so. In 8 years a 800 GB uncompressed cartridge. With a ADSM/TSM type solution you can hopefully keep that cart pretty full.
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have you looked at linear tape open (LTO)? Go to http://www.LTO.org. This is a consortium that IBM, HP, Seagate and others are part of that increases the capacity of a DLT-sized (approx) cartridge to 100 GB uncompressed. The most impressive thing (IMHO) is that 8 year plan which doubles capacity every 2 years or so. In 8 years a 800 GB uncompressed cartridge. With a ADSM/TSM type solution you can hopefully keep that cart pretty full.