Dual layer DVD or Blue ray for Data ?

Mathew Knight

Active member
I am looking at archiving HVX DVCPRO50 footage, and HD 720 footage onto DVD. Only as original data (mxf card files). Sometimes these will be 8GB folders (from 8GB cards) and sometimes footage from firestore (80GB's, 100GB's).

Someone told me that dual layer DVD's are not very reliable in that they may not be accessible when you put them in different computers to the one that burned them. This sounds a little bogus but has any one experienced this ?

And just to reiterate I am talking data only here.

Now dual layer DVD seems good for 8Gb cards but I foresee a problem with the firestore. How do I split up the data on a firestore into 8GB chunks for a dual layer DVD (and still be able to retreive it all later as one disk, because final cut see's the firestore as one P2 card)

now blue Ray sounds much more attractive but I don't know much about it. Do Blue Ray DVD players / burners on a laptop also play regular DVD's & CD ROMS ?

And like wise how do I break up 100GB's of firestore onto 3 Blue Ray DVD's ? (At the moment I can only think of importing it all to final cut then dumping the capture scratch .mov files onto a disk. But ideally this archicing would happen quite soon after stuff goes to the portable drive and before editing has begun. And really you want the MXF files. Unless of course you use the firestore recording quicktimes I guess)

I am still using portable hardrives as the primary storage device, and will use this stuff for editing, but long term I want something I can dump it on (like a tape or disk) that can be dumped on a shelf and when everythings goes up in smoke I can retrieve the original files and get anything back (Using timecode to match up footage)

I know this is the age old P2 headache but ultimately I 'feel' like I need more than a stack of portable hard drives gathering dusk to sleep soundly at night. And I don't want to spend hours and hours burning footage to disk).

And I am looking thinking about this in relation to a documentary with something like 40 hrs of DVCPRO-50 material to deal with. (using a laptop to transfer firestore footage to 3 x 500GB portable hard drives)
 
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I backed up my work from 8G cards to single and dual layer DVD's. For the single layers, I would use toast's spanning feature to span the data over 2 or more DVD's. You could use a program like toast to span your firestore data over several dual-layer or blu-ray discs, assuming bluray is supported...
 
Hey Matthew, have you looked into getting your drives backed up to LTO by an IT company? I haven't got prices myself but given that this data is already on drives it seems all you need is a solid backup. It would cost to get it restored if you ever needed to but Im fairly convinced that LTO tape is the most reliable backup medium around at present.

Personally I would never use optical disk as the solution. My experience with longevity has been terrible.
 
I use DLT for long term archival backup.

Keep in mind that redundancy is key to safe backups. Multiple copies stored in multiple locations.
 
It depends on what you are shooting.

I use 4 gigers because I can easily back them up to a single layer DVD. If you are using 8 gigers then I'd suggest getting a dual layer burner. As for Blue Ray, I don't think that's a good idea. We really have no idea whether Blue Ray or HD DVD will win out and I wouldn't want to blow over a grand on something that will end up being the new betamax. For archiving FS-100 stuff HD is really the best method for now.
 
if u convert the files to quicktimes you'll notice that the files are never more than 4.3 gb. I'm sure you've noticed that even with 8gb cards if you shoot one continious shot and fill up the card it will be split into two files when u import them. I believe panasonic did this in order to allow all clips to be backed up to dvd without ever ending up splitting up clips. We are currently backing up all of our files by importing them to fcp and then saving the converted files as uncompressed quicktimes onto dvds. Blu ray may be an option down the road but at the moment blank discs are insanely expensive, around $1-2 per gb, they come in 25 and 50gb discs.
 
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