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Written by Olin Coles   
Monday, 24 October 2011
Table of Contents: Page Index
OCZ RevoDrive Hybrid PCI-E SSD RVDHY-FH-1T
Closer Look: OCZ RevoDrive Hybrid SSD
SSD Testing Methodology
AS-SSD Benchmark
ATTO Disk Benchmark
CrystalDiskMark 3.0 Tests
Iometer IOPS Performance
PCMark Vantage HDD Tests
OCZ RevoDrive Hybrid Conclusion

Iometer IOPS Performance

Iometer is an I/O subsystem measurement and characterization tool for single and clustered systems. Iometer does for a computer's I/O subsystem what a dynamometer does for an engine: it measures performance under a controlled load. Iometer was originally developed by the Intel Corporation and formerly known as "Galileo". Intel has discontinued to work on Iometer and has given it to the Open Source Development Lab (OSDL). There is currently a new version of Iometer in beta form, which adds several new test dimensions for SSDs.

Iometer is both a workload generator (that is, it performs I/O operations in order to stress the system) and a measurement tool (that is, it examines and records the performance of its I/O operations and their impact on the system). It can be configured to emulate the disk or network I/O load of any program or benchmark, or can be used to generate entirely synthetic I/O loads. It can generate and measure loads on single or multiple (networked) systems.

To measure random I/O response time as well as total I/O's per second, Iometer is set to use 4KB file size chunks over a 100% random sequential distribution at a queue depth of 32 outstanding I/O's per target. The tests are given a 50% read and 50% write distribution. While this pattern may not match traditional 'server' or 'workstation' profiles, it illustrates a single point of reference relative to our product field.

All of our SSD tests used Iometer 1.1.0 (build 08-Nov-2010) by Intel Corporation to measure IOPS performance, using a SandForce-created QD30 configuration: 4KB 100 Random 50-50 Read and Write.icf. The chart below illustrates combined random read and write IOPS over a 120-second Iometer test phase, where highest I/O total is preferred:

Iometer_Random_4K-IOPS_30QD_Results.png

In our Iometer tests, which use 32 outstanding I/O's per target and a random 50/50 read/write distribution, SandForce SSDs generally outperform the competition when tested with a larger queue depth. The latest SATA 6Gb/s storage solutions lead the pack, and while the OCZ RevoDrive Hybrid produced 37,956 combined read/write IOPS it still falls very short of 120,000 maximum random write 4KB IOPS advertised in the specifications. Nevertheless, 38K IOPS is quite impressive for a hybrid drive, and obliterates the paltry 337 produced by the competition.

In the next section we use PCMark Vantage to test real-world performance...



 

Comments 

 
# OCZ RevoDrive Hybridmailman65er 2011-10-25 09:36
Awesome. I think the review was thorough, but one major point was left out: the price/performance/capacity. Nothing comes close to delivering this level of performance, at this price, with this (1TB !) capacity.
Great job OCZ!
Now, when will we see a review of the OCZ Synapse cache SSD, which lets the user add his/her own HDD for a hybrid solution???
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# RE: OCZ RevoDrive Hybrid PCI-E SSD RVDHY-FH-1TDavid Ramsey 2011-10-25 10:25
Hm. Does this require an F6 driver during Windows installation? If not, it might be usable on a Hackintosh...
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# RE: RE: OCZ RevoDrive Hybrid PCI-E SSD RVDHY-FH-1TOlin Coles 2011-10-25 13:27
Yes, as mentioned in the review it requires the OCZ driver duing the setup phase. All Revo series require this driver.
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# RE: RE: RE: OCZ RevoDrive Hybrid PCI-E SSD RVDHY-FH-1TDavid Ramsey 2011-10-25 13:43
Dang. Dang. (It said one "Dang" was too short a comment...)
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# RE: RE: RE: RE: OCZ RevoDrive Hybrid PCI-E SSD RVDHY-FH-1TIskanzar 2011-10-25 22:28
this is an abomination !
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# bahTelstar 2011-10-28 04:56
Expensive, horrible read latency and not suitable for data disk only OS.
An immature product still, but the direction is the right one.
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# RE: OCZ RevoDrive Hybrid PCI-E SSD RVDHY-FH-1TDoug Dallam 2011-11-03 22:27
These drives remind me of something either steam-punk or the Borg. "We will assimilate your technology and integrate it with our own. Resistance if futile." lol I thik some twice pipes coming out of the back with some stability fins would have made it look better.

Yeah and like the other guys said--500.00 USD? That must be for the "1%." hahahaha
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# RE: RE: OCZ RevoDrive Hybrid PCI-E SSD RVDHY-FH-1TDavid Ramsey 2011-11-04 09:16
Not really; just a few years ago, $500 hard drives were common, and it didn't seem to hold the market back much.

I paid almost $3,000 for my first hard drive, and it held 10 megabytes...one one-hundredth of a gigabyte. You kids lack perspective.
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# RE: RE: RE: OCZ RevoDrive Hybrid PCI-E SSD RVDHY-FH-1TOlin Coles 2011-11-04 09:24
I learned that 'a few' is three or so... not thirty. I haven't seen a consumer hard drive selling for $500 in my adult lifetime.
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# RE: RE: RE: RE: OCZ RevoDrive Hybrid PCI-E SSD RVDHY-FH-1TDavid Ramsey 2011-11-04 09:35
I suppose it depends on when you consider yourself to have been an "adult". $500+ hard drives were quite common in the early 2000s. Heck, the first terabyte drive (Hitachi, 2007) was $400...

##mkomo.com/cost-per-gigabyte
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# RE: RE: RE: RE: RE: OCZ RevoDrive Hybrid PCI-E SSD RVDHY-FH-1TDoug Dallam 2011-11-04 17:04
That would make Olin about, hmmm, 12? LOL

But that is a good point. I remember I bought my first SCSI drive in I think 1998. I think I paid 350 or 400 for 6GBs? But David, true that drives were 500 in 2000, but that was what you got, buy it or not. That's not the case now. I can buy two fast SATA drives, RAID them, and have nearly the same non seek non IOPs performance of a 500USD drive at 180 bucks. I think I paid 85.00 each for the 640s a few years ago with rebates.

I did a Crystal Disk Mark test on HOCP a few years a go and was tuning my array.

Two disk testing applications: HD Tune 2.55 and CrystalDiskMark 2.2.

CrystalDiskMark: Set to 50MB all other options left default. Run "All."

HD Tune: Go to Bench Mark tab and in the upper right look for the options icon. Slide the slider to "Accurate"--slide the slider all the way down. Report ONLY Avg and Burst.


2 WD Caviar Black 640
Vista 64 SP1
Type: RAID 0

HD Tune
Avg: 185.8 MB/sec
Burst: 1212.7MB/sec

CrystalDiskMark 2.2
Test Size : 50 MB
Sequential Read : 314.573 MB/s
Sequential Write : 199.878 MB/s
Random Read 512KB : 111.848 MB/s
Random Write 512KB : 103.648 MB/s
Random Read 4KB : 2.138 MB/s
Random Write 4KB : 5.357 MB/s

CrystalDiskMark 2.2 Test Size : 1000 MB
Sequential Read : 203.311 MB/s
Sequential Write : 199.558 MB/s
Random Read 512KB : 41.127 MB/s
Random Write 512KB : 40.570 MB/s
Random Read 4KB : 0.618 MB/s
Random Write 4KB : 3.014 MB/s

Sequential Read : 141.572 MB/s
Sequential Write : 159.479 MB/s
Random Read 512KB : 52.159 MB/s
Random Write 512KB : 58.321 MB/s
Random Read 4KB : 0.834 MB/s
Random Write 4KB : 3.929 MB/s

I dunno. I think I'd opt for the RAID at 180USD.
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# RE: RE: RE: OCZ RevoDrive Hybrid PCI-E SSD RVDHY-FH-1TGriver 2013-03-09 11:59
Couldnt be put more accurately ,Hats of to you sir.
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# RE: OCZ RevoDrive Hybrid PCI-E SSD RVDHY-FH-1TJean 2011-11-07 11:51
Thanks for your interresting review.
Pitty they don't have 2GB (yet!)
I would like to use two of them for save as RAID1 (possible ?)

Jean
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# RE: RE: OCZ RevoDrive Hybrid PCI-E SSD RVDHY-FH-1TOlin Coles 2011-11-07 11:54
It is not possible to combine two of these PCI-E SSDs into a RAID array. I will soon know if the unit's HDD can be upgraded... stay tuned.
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# Replaceable hard driveGeorge 2012-09-08 18:33
It says in your review you will be testing whether the Toshiba hard drive is replaceable. What were the results?
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# RE: Replaceable hard driveOlin Coles 2012-09-08 20:35
Replaceable, so long as you configure the new drive in the SSDs BIOS at startup.
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# Replaceable hard driveGeorge 2012-09-08 21:12
Would you be able to post up a guide or review ?
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# RE: Replaceable hard driveOlin Coles 2012-09-08 21:24
Not likely, as my current workload and project rotation are pretty full. Did you buy one of these SSDs and plan to change the HDD?
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# Replaceable hard driveGeorge 2012-09-08 21:41
Yeah I got this a week ago and I'm keen on replacing the HDD to a Velociraptor. I'm just not sure how I would be able to changed the ssd bios. Using ATTOS Disk Benchmark (transfer size of 8192.0kb) my max write is about 714mb/s and my max read is about 920mb/s. These speeds are faster than an average ssd but I don't know why my WEI score is only 6.0.

Any help or suggestions is appreciated
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# RE: Replaceable hard driveOlin Coles 2012-09-08 21:44
You might want to measure twice and cut once, because that drive isn't going to fit. Good night.
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