: On Sat, 21 May 2005 19:55:19 -0700, "cat rancher"
:
: >
: >: >: On Fri, 20 May 2005 17:57:35 GMT, Dave <
[email protected]>
: >: wrote:
: >:
: >: >: >: >
: >: >> On Fri, 20 May 2005 14:54:46 GMT, Dave <
[email protected]>
: >: >> wrote:
: >: >>
: >: >>>I'm getting ready to have a pc built and need to know which
: >: >will
: >: >>>give a crisper performance - a 10,000 RPM drive or a RAID 0
: >: >>>configuration.
: >: >>>
: >: >>>Thanks
: >: >>
: >: >> I'm getting ready to answer your question and need to know
: >: >> which things you plan on doing with your system.
: >: >>
: >: >
: >: >I don't use the PC for any games, but do some video editing
: >: >and converting etc.
: >:
: >: For that you don't want either option, you want two separate
: >: drives, one for source and the other for destination.
: >: Raiding them would just be slower. However, it's quite
: >: common for the hard drives to not be a bottleneck in video
: >: editing even with generic budget-grade drives, as editing
: >: operations tend to run at lower rates than the HDD(s) can
: >: supply the data. If you're looking to capture raw,
: >: uncompressed video (not DV format) then a RAID 0 might be
: >: preferrible, unless you plan on simultaneously using the
: >: system, then having separate drive for OS might be of
: >: benefit instead. Even sub-topics have lots of different
: >: scenarios in a multi-tasking environment.
: >:
: >:
: >: >To me the bottleneck of a pc is the disk
: >: >drive, but I've haven't seen any comparisons between RAID and
: >: >10K RPM disk drive. If I'm going to spend the bucks on the
: >: >latest and greatest cpu,then I also want the top performance
: >: >from the drives.
: >:
: >: 10K for operating system or database work. RAID for very
: >: large linear editing/copying-type activities. However, I
: >: never recommend RAID0 unless one also has a 3rd drive for
: >: regular storage, as I see too many people planning to make
: >: removable storage backups but then end up not doing that
: >: nearly as often due to it being slower and more laborious.
: >: You might be the exception, or you might not.
: >:
: >: Either way, I'd not opt for any "single volume", not a lone
: >: 10K drive nor a lone RAID0 of two drives. If I used the
: >: RAID0 I'd have a 3rd drive or with the 10K RPM, a 2nd drive
: >: too. If you will be editing video fairly often and insist
: >: on one of the two options you mentioned, I'd go with the
: >: RAID0 as the benefits of the 10K RPM drive for OS speed is
: >: an area where you may not really need the speed so much-
: >: ample system memory will cache the OS.
: >
: >From what source do you get raw video? curious. : -)
: >
:
: Any live analog stream typically, like dubbing from a DVD
: player or VCR, or a TV tuner card, any live video feed from
: camcorder/camera/webcam/etc that isn't (or you don't want)
: pre-compressed. Most modern *cams seem to have shifted more
: towards USB or firewire though, neither of which is fast
: enough and typically only supports compressed video.
What would be the input for the raw stream? Like Dazzle or
Canopus? A DVD is digital to analog to digital, no? The DVD
is compressed so transferring via firewire or USB would save
a generation.
