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Showing posts from May, 2005

Switching to powerbook

Two weeks ago I did some thing which I didn't think I'll ever do. I'd always thought Apple/Mac were worse than Microsoft because they were not open enough. I thought, that if they were open, there would have been atleast 10 times more Apple users as there are today. Since I wasn't ready to drop $$$ dollars down the drain to buy a sleek little Mac laptop I never got around actually check it out. Well, two weeks back after I lost a laptop in a disaster, I made a choice to switch based on few logical reasoning I still believe in open source Microsoft is worse than Linux But Linux is not fully supported on laptops I like I also have problem getting support because there are 2000 different distributions out there now I've grown out of compiling/optimizing Linux kernel every day I need access to realworld office application which my organization uses (MS Office, PGP, Checkpoint VPN I know Mac can do most of these... OS X has a BSD backend Should be fun hacking so

Tape library yesterday and tommorow

BackupTape technology pretty much kept up with the Moore’s Law. Here's the history and future of current tape technology which I compiled from various sources Type Format Vendor GB/Hr GB/Hr compressed Storage Compressed Storage Date Travan Traven 20 Certance 3.5 7 20 10 Travan Traven 40 Certance 7 14 40 20 AIT AIT-1 HP/Sony 14 37 91 35 1996 AIT AIT-2 HP/Sony 16 43 130 50 1998 AIT AIT-3 HP/Sony 33 86 260 100 2000 AIT AIT-4 HP/Sony 200 TBD * AIT AIT-5 HP/Sony 400 TBD * AIT AIT-6 HP/Sony 800 2008 * DAT DDS-4 Certance/HP/Sony 10 20 40 20 DAT DAT72 Certance/HP/Sony 12.6 25.2 72 36 DLTvs80/160 DLT vs80 HP/Quantum 11 22 80 40 DLTvs80/160 DLT vs160 HP/Quantum 29 58 160 80 DLT 1 DLT 1 HP/Quantum 10 20 80 40 DLT 4000 DLT 4000 HP/Quantum 5 10 40 20 DLT 7000 DLT 7000 HP/Quantum 18 26 70 35 DLT 8000 DLT 8000 HP/Quantum 22 44 80 40 Super DLT SDLT220 HP/Quantum 39 78 220 110 Super DLT SDLT320 HP/Quantum 54 108 320 160 2002 Super DLT SDLT600 HP/Quantum 130 260 600 300 2004 Super