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[MaximumPC] Western Digital Reportedly Breeding New Velociraptor Drives - Page 6  

post #51 of 132
Quote:
Originally Posted by Lord Xeb View Post
Speed comes from platter count, head count, head speed (moving across the disk), and rotational speed (with sas, there is no worry about bandwidth issues). Not aerial density. Problem with high RPM drives, is that the heads simply do not have the time to pick up the information off of the platters if the aerial density is too high.
Actually, areal density is the biggest factor in performance. Next comes rotational speed.

Lower platter count is better for performance.
Head count is always the same... 1 head per each side of platter.
Head speed is a non-issue.

Quote:
Originally Posted by AzO View Post
I'm assuming you're talking about the average consumer because there's a lot of features the average consumer will never use. Like all 10 SATA ports on the X58? All 16 USB ports, firewire ports and eSATA ports? Maximum supported memory?
X58 use the ICH10R with only 6 SATA 3Gb/s ports.

SATA, USB, Firewire, eSATA are all cheap to implement.... $5-10 for an additional controller. How many consumers have SAS drives? Most consumers are not running dozens of HDDs in hot-swap bays with 24/7/365 uptimes.

Maximum memory support is a function of the CPU (now). The maximum memory support has to do more with server binned CPUs.


Quote:
Originally Posted by AzO View Post
If there are people out there willing to cough up $500 for boards like the GIGABYTE G1.Assassin, I don't see why not and it's not like SAS hasn't been done before. Isn't that's what OCN is all about? Taking it to the next level?
There are fancy features that board makers can add before SAS support comes to mind. Again, how many consumers use SAS drives? A lot of the additional cost of SAS drives is in reliability/warranty.

Taking storage technology to the next level is not SAS... but SSD.



Quote:
Depends on what people's needs are. Do you have any idea how long it takes to back up or transfer 2-3TB of data to another 2-3TB drive? Some people wouldn't mind coughing up the dough if it means saving a couple minutes. I remember how people back in the day bought new burners every time a faster one came out just to shave a minute off maximum burn speed.
If that was important for someone, they would be using RAID. It would be cheaper to get a few smaller drives in RAID for a linear sequential gain than paying more for less than 10% gain.
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post #52 of 132
VR is all marketing hype. Seriously, you have to be gullible to buy it, because it literally has nothing going for it.

-SSD run laps around them in random performance, heat, sequential performance, noise, latency.
-A well implemented RAID beats the VR in price to seq. performance, price to gigabytes, space, and reliability depending on what flavor of RAID you're running.

And as far as I'm concerned, VR and SSDs are equal in terms of reliability. Neither one of them will likely die before you upgrade...and MLC nand is still readable even after you hit the write-cycle limit. Plus, both the technologies haven't existed long enough to perform real-world longevity testing.
post #53 of 132
the p6t deluxe v1 has SAS... I'm running a cheetah on it (15k.6), and if I had room I would run another cheetah for raid 1. Just 1 gets a WEI score of 6.1... something I have never seen on a non-ssd sata drive. Now, if WD gives us consumer cheetah's, then I would prolly seriously consider it.
post #54 of 132
Quote:
Originally Posted by Subayai View Post
the p6t deluxe v1 has SAS... I'm running a cheetah on it (15k.6), and if I had room I would run another cheetah for raid 1. Just 1 gets a WEI score of 6.1... something I have never seen on a non-ssd sata drive. Now, if WD gives us consumer cheetah's, then I would prolly seriously consider it.
Rofl, I get 6.1 on my 1002faex's in raid10. Costs less than 1 600GB cheetah, gives 2TB, and redundancy. I'd upgrade to SSDs before cheetahs, or VRs for that matter...
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post #55 of 132
Thread Starter 
Quote:
Originally Posted by quentin View Post
And as far as I'm concerned, VR and SSDs are equal in terms of reliability. Neither one of them will likely die before you upgrade...and MLC nand is still readable even after you hit the write-cycle limit. Plus, both the technologies haven't existed long enough to perform real-world longevity testing.
HDDs haven't been around long enough?

The reliability of SSDs has yet to be proven.
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post #56 of 132
Quote:
Originally Posted by Lord Xeb View Post
Speed comes from platter count, head count, head speed (moving across the disk), and rotational speed (with sas, there is no worry about bandwidth issues). Not aerial density. Problem with high RPM drives, is that the heads simply do not have the time to pick up the information off of the platters if the aerial density is too high.
Every time WD has increased the density of their platters, the performance of those drives has gone up substantially.
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post #57 of 132
Quote:
Originally Posted by quentin View Post
VR is all marketing hype. Seriously, you have to be gullible to buy it, because it literally has nothing going for it.

-SSD run laps around them in random performance, heat, sequential performance, noise, latency.
-A well implemented RAID beats the VR in price to seq. performance, price to gigabytes, space, and reliability depending on what flavor of RAID you're running.
I think VRs could still have a place in the HDD market for those not yet sold on SSDs or people running older versions of Windows that don't support TRIM (ie XP or Vista).
post #58 of 132
I'd like to see a 2 or 3TB 7200rpm drives short stroked to VR sizes and benched to compair performance or sequentials and seeks
post #59 of 132
Quote:
Originally Posted by AzO View Post
HDDs haven't been around long enough?

The reliability of SSDs has yet to be proven.
You seem to have misread what I said even though the statement you bolded answers both sentences of your post. I said VRs (velociraptors) and SSDs haven't been around long enough to be proven.

Quote:
Originally Posted by scottb75 View Post
I think VRs could still have a place in the HDD market for those not yet sold on SSDs or people running older versions of Windows that don't support TRIM (ie XP or Vista).
What advantage does the VR have over an appropriate RAID setup?

A SSD w/o trim still smokes any hard drive on the market. Besides, with garbage collection and being that Windows 7 holds the majority of the marketshare for non-enterprise consumers, makes SSD technology that much more favorable.
post #60 of 132
Thread Starter 
Quote:
Originally Posted by quentin View Post
You seem to have misread what I said even though the statement you bolded answers both sentences of your post. I said VRs (velociraptors) and SSDs haven't been around long enough to be proven.
No, that's exactly what I meant. Velociraptor is a HDD, HDDs have been around for ages, it has been improved and refined over the years but the fundamentals remain the same. What has yet to be proven are SSDs, the technology is rather new and has yet to be proven. According to what you're saying every time a new HDD comes out it has to "prove itself" and resets the counter? Your logic makes no sense.

Just look at all the problems with the 2nd Gen Sandforce controller on the Vertex 3 and the recent Intel SSD fiasco. Reliability is still a unknown. There still not enough conclusive tests to show exactly how reliable SSDs are.

SSDs is like ecstasy, everything feels great while it works.
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