Sure, hard drive have became very reliable but I still wouldn't put en expensive production on the line by archiving all the raw footage on hard drive unless you use two sets of drive maybe.
I am waiting to see how XDCAM EX to XDCAM HD archiving works. An EX camera coupled with the new U1 USB XDCAM drive could be a very dood solution for archiving. Thierry. |
Back-ups
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As this time, it is less an issue of USB2 vs. FW than the write speed of the XDCAM device. The first generation of XDCAM HD decks and cameras could theoratically write at 75mbps but in reality, it is more around 60mpbs or even less. I am told the new PDW-U1 XDCAM drive is about twice as fast so archiving with it may just be a good scheme.
Thierry. |
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...and presumably the non-guaranteed-constant throughput of USB2 won't matter with EX backup/capture, as it's really just file transfers (unlike capturing moving tape, where the throughput rate has to be guaranteed, hence the need for Firewire).
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We were demoing the U1 at IBC and it was tranfering at a little over 3 times real time for 35Mb footage. This makes it a little faster than my camera which is normally around 2.5 x real time and gives a real world transfer speed of about 90Mb/sec (given than 35Mb footage is often under 35Mb/sec).
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Archive on discs
I have a question regarding archival on hds. I would very much like to do the following: dump the SxS-Cards on RAID-1 (mirrored) HDs, then shelve one of them and – during editing – use the other one as single disc (or in JBOD-mode in the same enclosure). Is this possible? Do HDs from a RAID-1 configuration work as single discs?
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