SATA RAID 0 ???


B

beowulf

I need advice on what drive setup to use. I have never set up a RAID
let alone even used a SATA drive, always been a basic EIDE/ATA plain
vanilla hard drive storage person, built quite a few PC over my life
though. I am getting into video editing and need a fast large capacity
hard disk storage solution-- Adobe Premiere Pro 2.0 recommednations are
for a minimum 7500rpm IDE drive with 20MB/s transfer speed, or even a
SATA RAID 0 (striped RAID) especially for editing high definition
digital video files. I am seeing Samsung SATA drives on newegg.com
that are 400MB, 7500rpm, and that are listed as 3GB/s which seems
impossible; the drives are only $110 so if some sort of SATA RAID 0,
samsung or whatever brand, would work that seems like the logical
route I should go, correct? Or if a SATA drive has indeed such a fast
3GB/s data transfer maybe I just need one such drive and should set up
some sort of other RAID that would help for any data corruption. My
meager understanding of RAID 0 though is that allows for very fast data
read/write, critical for reading/writing high definition video data
files. Any advice, what route to go?
 
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R

Rod Speed

I need advice on what drive setup to use.

Just plain non sata drives.
I have never set up a RAID let alone even used a SATA drive,
always been a basic EIDE/ATA plain vanilla hard drive storage
person, built quite a few PC over my life though. I am getting
into video editing and need a fast large capacity hard disk
storage solution-- Adobe Premiere Pro 2.0 recommednations
are for a minimum 7500rpm IDE drive with 20MB/s transfer speed,

Any decent config can do that fine. And its 7200 rpm, not 7500.
or even a SATA RAID 0 (striped RAID) especially
for editing high definition digital video files.

Are you going to do that ?
I am seeing Samsung SATA drives on newegg.com that are 400MB, 7500rpm,

7200 rpm.
and that are listed as 3GB/s which seems impossible;

That is the interface speed, the thruput is much lower than that.
the drives are only $110 so if some sort of SATA
RAID 0, samsung or whatever brand, would work
that seems like the logical route I should go, correct?

Makes more sense to avoid RAID 0 unless you have
to have it and its unlikely that you do have to have it.

If its your own hard core porn you are editing, the last thing
you need is to lose it due to the much worse risk with RAID 0.
Or if a SATA drive has indeed such a fast 3GB/s
data transfer maybe I just need one such drive

Yep, that will do better than the 20Mb/sec that Adobe is suggesting.
and should set up some sort of other RAID
that would help for any data corruption.

The only real advantage with redundant RAID is that its automatic.
Its arguable if that is any real advantage with your use since the obvious
alternative is to just have two non RAID drives and copy the file after the
editing is complete for protection against corruption and hard drive failure.
My meager understanding of RAID 0 though is that allows for very fast data read/write,

That is radically overstated. It is faster than a single drive, but not by
as much as you might think and there is much more risk to your data.
critical for reading/writing high definition video data files.

No, its nothing like critical.
Any advice, what route to go?

Individual non RAID drives.

You can always test the two configs and see whether the
increased speed warrants the higher risk of losing everything.
 
A

Arno Wagner

Previously [email protected] said:
I need advice on what drive setup to use. I have never set up a RAID
let alone even used a SATA drive, always been a basic EIDE/ATA plain
vanilla hard drive storage person, built quite a few PC over my life
though. I am getting into video editing and need a fast large capacity
hard disk storage solution-- Adobe Premiere Pro 2.0 recommednations are
for a minimum 7500rpm IDE drive with 20MB/s transfer speed, or even a
SATA RAID 0 (striped RAID) especially for editing high definition
digital video files. I am seeing Samsung SATA drives on newegg.com
that are 400MB, 7500rpm, and that are listed as 3GB/s which seems
impossible;

That is the interface transfer rate, not the media transfer rate.
Also it is 3Gb/s, which is 8 times less. These drives give you
about 50MB/s on linear read/write access.
the drives are only $110 so if some sort of SATA RAID 0,
samsung or whatever brand, would work that seems like the logical
route I should go, correct?

Only if you need it. If you do, you need a fast controller for it
as well and the standard PCI bus may already limit transfer speeds.
Or if a SATA drive has indeed such a fast
3GB/s data transfer maybe I just need one such drive and should set up
some sort of other RAID that would help for any data corruption. My
meager understanding of RAID 0 though is that allows for very fast data
read/write,

On large files you may get 80% faster acesses with a good filesystem
and no fragmentation. Fir small files and/or significant fragmentation
RAID0 does not give any speed advantage. On the downside, if one
disk fails, all data on both disks is gone.
critical for reading/writing high definition video data
files. Any advice, what route to go?

Use a single one of these drives first. If it is too slow, then
think about upgrading to RAID0. You can reuse the drive in
a RAID, as long as it is not made by WD (quality issues that a RAID
controller cares about, but that may go unnoticed in regular
use).

Arno
 
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B

beowulf

Ok I think I will forego RAID 0 based on what you have both said thus
far. I ordered two of the SATA drives, so I will use one for the data,
the other for data backup (manual, not RAID); then eventually an
external terabyte USB drive for additional data backup. My mobo has
SATA controllers on board besides the usual IDE so the SATA drives
should work nicely in concert with my existing IDE drives that contain
WinXP and Ubuntu linux. I need the fast high capacity SATA drives for
the video playing (high definition video) during real time playback of
the HD video files (and no it is not porn, we are going to independent
filmmaking, hollywood drama type stuff).
~Beowulf
 

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