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On 04/01/17 14:02, Gordon Henderson via
list wrote:
On Wed, 4 Jan 2017, Tom via list wrote: Its the Pi3 with decent IOÂ that is Â100 more. I've tried one of my Pi3s and it isnt much faster than the zero on the same job. I'm wanting something I can plug in USB 3 drives and rotate them out to the shed for safe-backup reasons - a full backup on my new laptop takes about 4 hours to USB3 and a diff backup to the zero on a monthly basis takes around 12..15 hrs - I have a huge number of very small files and it seems checking these takes a long time - I'm using rsync and that seems to check only one file at a time so even on USB3 on the same machine data rates can drop off enormously. Its interesting to note that the small files (over a million small midi files) , when put into a database, backup faster when the whole database is moved than just checking each one for a change so I'm going to modify how I hold and use them. Fortunately the DB approach is far more utilitarian anyway. Tom te tom te tom |
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