Monday, January 9, 2012

Re: [Avid-L2] Media Archiving. LTO?

 

There is already an application that uses LTO to create an HD tape VCR...
(at 140 MB / sec that is certainly possible...)

Bouke

VideoToolShed
van Oldenbarneveltstraat 33
6512 AS NIJMEGEN
The Netherlands
+31 24 3553311
www.videotoolshed.com
For large files:
http://dropbox.yousendit.com/BoukeVahl998172

----- Original Message -----
From: "Robert Lawson" <avidrhl@gmail.com>
To: <Avid-L2@yahoogroups.com>
Sent: Monday, January 09, 2012 4:05 PM
Subject: Re: [Avid-L2] Media Archiving. LTO?

> How soon before we start to see complaints that editors can't get reliable
> playback when AMA linking to an AVCHD clip stored on an LTO5 tape via
> LTFS?
>
>
>
>
>
>
> On Monday, January 9, 2012, John McClary <johnnyq_@yahoo.com> wrote:
>>
>>
>> Retrieving random files from a hard drive will almost aways be faster
> than tape.
>>
>> LTO5 can be thought of as Generation 5 of LTO tape. It has a higher
> capacity (1.5Tb or 3Tb compressed) and speed (140MB/s) than earlier
> versions. But, you can use LTFS formatted or the TAR-compressed file
> backups of the earlier tapes - and both are open source formats.But if you
> use LTFS, the archiving software can retrieve just the files you wish but
> (given the slower seek times of tape) if they are close together on the
> tape, it will probably be faster if you retrieve groups of files.
>>
>> HP claims a life of 30 years for their tape cartridges.
>>
>>
>> John McClary
>> ------------------------------
>> "There's Always A Solution"
>>
>> ________________________________
>> From: johnrobmoore <bigfish@pacbell.net>
>> To: Avid-L2@yahoogroups.com
>> Sent: Sunday, January 8, 2012 9:51 PM
>> Subject: [Avid-L2] Re: Media Archiving. LTO?
>>
>>
>>
>> Assuming I've archive to LTO-5 LTFS, or is all LTO-5 LTFS?, and I've also
> archived to a raw HD. What is the time difference in retrieving data back
> if I need to fix a 3 shot section in an hour show? Will those LTFS LTO-5
> drives appear like a media drive so I could in theory consolidate the
> necessary media back to my normal storage to do the fix?
>>
>> --- In Avid-L2@yahoogroups.com, "Pat Horridge" <pat@...> wrote:
>>>
>>> This is a really interesting area currently
>>>
>>> LTFS is relatively new and is a method of allowing an LTO-5 drive and
> it's
>>> tape to appear as a drive on the host system and via that on a network.
>>>
>>> However this is quite different from sing the LTO as a backup up restore
>>> route.
>>>
>>>
>>>
>>> One of the big attractions to using data backup techniques for managing
> post
>>> files is it's a very established technology and industry and adopting it
>>> buys into that. So it's as safe a bet as you can make on continued
> support
>>> and access to your data in decades to come. However that didn't really
> suit
>>> the needs of the post industry and the LTFS method has been developed to
> use
>>> the LTO-5 tape and drive more like a sort of VTR come hard drive.
>>>
>>> But will that still be carried forward and supported over the next 10,
> 20 or
>>> 30 years as the more traditional backup restore process are likely to
>>> be?
>>>
>>>
>>>
>>> So my view is there are two different uses for an LTO-5 setup. One being
>>> LTFS and something like a Cache-A for near line storage of media
>>> allowing
>>> reasonably fast and easy access to content. And also a more robust
>>> traditional software based backup solution for longer term backup.
>>>
>>>
>>>
>>> But a lots happening in this areas so who knows what this year will see.
>>>
>>>
>>>
>>> Pat Horridge
>>> Technical Director, Trainer, Avid Certified Instructor
>>> VET
>>> Production Editing Digital Media Design DVD
>>> T +44 (0)20 7505 4701 | F +44 (0)20 7505 4800 | E <mailto:pat@...>
>>> pat@... |
>>> www.vet.co.uk | Lux Building 2-4 Hoxton Square London N1 6US
>>>
>>>
>>>
>>>
>>>
>>> [Non-text portions of this message have been removed]
>>>
>>
>> [Non-text portions of this message have been removed]
>>
>>
>
> --
> ---
> Rob Lawson
> System Administrator, ACSR ISIS, Windows & Interplay
> CBS News
>
>
> [Non-text portions of this message have been removed]
>
>
>
> ------------------------------------
>
> Search the official Complete Avid-L archives at:
> http://archives.bengrosser.com/avid/
> Yahoo! Groups Links
>
>
>

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