Alex Gerulaitis
Forum Replies Created
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From VHS, you won’t see much of a difference between S-Video and component. They both have quite a headroom over VHS, quality-wise.
Not sure why it’s B&W – I’d venture, the adapter is flaky. S-Video has two signal pipes: luma (brightness) and chroma (color), so one of these is missing out of your adapter.
I’d get or rent any VCR with S-video output, and wouldn’t insist on component. If you have a chance to put your hands on a “pro” grade studio VHS or S-VHS VCR – even better. Those are just better made.
Alex Gerulaitis
Systems Integrator
DV411 – Los Angeles, CA -
On internal 7200rpm drives, closer to 400MB/s.
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Windows does incremental backups. Outside of that, Acronis and Casper do that, as well.
Alex Gerulaitis
Systems Integrator
DV411 – Los Angeles, CA -
[Ryan Dietz] “Currently I have data backed up on externals, but want to go into more of a networked workflow.”
Could you describe it a little more, what exactly do you want to do. Several editors working on the same project? Different projects? One editor but working from multiple editing systems accessing the same footage? Purely archiving solution?
[Ryan Dietz] “Is this possible with a Drobo or something similar? “
It is (NAS flavors of it), although Drobo specifically is not known for good speeds. Will work for archiving though.
Synology and several similar NAS boxes have great performance but haven’t been widely adopted for editing purposes.
Alex Gerulaitis
Systems Integrator
DV411 – Los Angeles, CA -
[Alan Peil] “Just wondering how these speeds stack up to other SATA RAID setups.”
A dual drive RAID0 with 7200rpm drives should clock at 240-300MB/s when empty. So 100MB/s is very slow.
[Alan Peil] “After this test, Disc Speed Test is telling me under the “Will It Work” column that this is only good enough for PAL or NTSC and nothing more – true?”
True for uncompressed. With compressed it’s good for almost anything yet there are other factors that may cause dropped frames: latencies, consistency, use of multiple streams.
Alex Gerulaitis
Systems Integrator
DV411 – Los Angeles, CA -
[Ondrej Synacek] “For example if I had one Duo in RAID0 and I added later second Duo, can I set it up as RAID1 or RAID5 natively?”
No. The RAID controller would need to see both units and to have RAID5 capability, to do that. None of 2-bay boxes have that ability AFAIK.
[Ondrej Synacek] “WD MyBook Thunderbolt Duo”
WD doesn’t mention if the drives are 7200 rpm or the slower ones (5400, 5900 or “variable”). I have to assume the worst, and that it will be 20-40% slower than a comparable G-Tech 2-bay box.
Alex Gerulaitis
Systems Integrator
DV411 – Los Angeles, CA -
FireWire 800’s sub-100MB/s speeds will probably still be unsatisfactory, given that single 7200rpm spindles run at 150MB/s these days, and your desire to fast transfer speeds.
In other words, I’d spend the money on a native TB storage device – Promise or G-Tech. R4 will likely be faster, and offers better use of space with RAID5 redundancy, vs. RAID1.
Alex Gerulaitis
Systems Integrator
DV411 – Los Angeles, CA -
[Steve Modica] “I went back and read this a couple of times to understand what’s being asked.”
Steve, were my answers generally on target? I only know enough to be dangerous – and would love to get a better understanding how all this stuff works.
Alex Gerulaitis
Systems Integrator
DV411 – Los Angeles, CA -
[Tom Elgin] “Would it be correct to say that iSCSI and FC are the protocols that make SANs possible? “
iSCSI and FC are integral parts of the vast majority of today’s SANs – so yes, you could say that.