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[Anandtech] Understanding Apple's Fusion Drive - Page 4

post #31 of 63
Quote:
Originally Posted by 3930K View Post

They made it pretty clear in the conference...
http://www.anandtech.com/show/6397/apples-ipad-mini-event-live-blog
Ctrl + F to about 10:37.

Where is it clear? Please provide the quote or image?


People at the conference have stated that Apple did not provide any technical information on their implementation.
Edited by DuckieHo - 10/25/12 at 6:11am
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post #32 of 63
Quote:
Originally Posted by DuckieHo View Post

Quote:
Originally Posted by 3930K View Post

They made it pretty clear in the conference...
http://www.anandtech.com/show/6397/apples-ipad-mini-event-live-blog
Ctrl + F to about 10:37.

Where is it clear? Please provide the quote or image?
Sorry, thought it was clear there.

In the conference video, they explained it more in-depth. Let me see if I can find it.

http://www.youtube.com/watch?v=GuK2H-M8IX0

At around 35 minutes here, it says about spreadsheets instead of apps.
post #33 of 63
Quote:
Originally Posted by 3930K View Post

Sorry, thought it was clear there.
In the conference video, they explained it more in-depth. Let me see if I can find it.
http://www.youtube.com/watch?v=GuK2H-M8IX0
At around 35 minutes here, it says about spreadsheets instead of apps.

Block at work.... What does it say?


Does it move data at the block-level, file-level, or somehow knows the entire application-level?
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post #34 of 63
Fusion Drive...i get it. Not impressed apple, its been done before...
post #35 of 63
Quote:
Originally Posted by DuckieHo View Post

Quote:
Originally Posted by 3930K View Post

Sorry, thought it was clear there.
In the conference video, they explained it more in-depth. Let me see if I can find it.
http://www.youtube.com/watch?v=GuK2H-M8IX0
At around 35 minutes here, it says about spreadsheets instead of apps.

Block at work.... What does it say?


Does it move data at the block-level, file-level, or somehow knows the entire application-level?
They say they move types of files if you use them often, and programs in and out. That's as much as we have.
post #36 of 63
Quote:
Originally Posted by Dimaggio1103 View Post

How is stating facts trolling? Apple is known for taking already invented tech, putting some paint on it and calling it innovation. Or are you one of those people who actually believe Apple invented the rectangle? rolleyes.gif

Apple II was a spin off of the IBM machine that was out two years prior.

The iPod was a spin on MP3 players that where out years before.

The iPhone was a combo of touch screen and smartphones, both of which already existed.

Apple TV, all in ones, tablets, the list goes on and on. They don't invent jack they just make it hip.

They haven't done that in this case. It's really lame having to sift through news threads about Apple products and look for actual information about the product. 4 of 5 posts are people complaining about Apple's patents, product prices, or minor issues with the products themselves. Sure that's valid information, but you don't have to bring up that same crap in every single thread about Apple, it just waters down the useful information that might be scattered about.

This thread is the perfect example:
Post #1, the actual source and information
Posts #2-8: People who didn't read or understand the article, and most complaining that Apple will claim they invented it (great, we know Apple sues a lot, thanks for the reminder)
Post #9: Someone who read the article and is talking about how the product works.
Quote:
Originally Posted by DuckieHo View Post

The way Apple plans to implement makes it that if either drive fails, you may lose more than the data on that drive.....

In best case, you will lose data like JBOD. In worst case, you can lose data that is across the drives depending if block-level or file-level implementation.

Hey, somebody that wants to talk about the topic at hand. Refreshing.

I agree it's a bit worrisome for the average consumer, it's basically like a special type of striped RAID, if it's file level then either drive failing could be bad news. I'm curious if it's file-level within an app though, or if it will transfer the entire application.
Edited by lordikon - 10/25/12 at 6:43am
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post #37 of 63
I already have fusion ^^

I have a Samsung 830 series 64gb ssd acting as a cache drive for my two Samsung F3 1Terabytes in RAID0.
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post #38 of 63
Quote:
Originally Posted by lacrossewacker View Post

I already have fusion ^^

I have a Samsung 830 series 64gb ssd acting as a cache drive for my two Samsung F3 1Terabytes in RAID0.
F.U.S.I.O.N

^^

You should actually read the article so that you understand what Apple's "Fusion Drive" does. It's not just a cache for HDDs.
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post #39 of 63
Quote:
Originally Posted by lordikon View Post

^^
You should actually read the article so that you understand what Apple's "Fusion Drive" does. It's not just a cache for HDDs.
Quote:
With Fusion Drive enabled, Apple creates a 4GB write buffer on the NAND itself. Any writes that come in to the array hit this 4GB buffer first, which acts as sort of a write cache.

This is we I call Intel Smart Response Technology with Acceleration mode set to" Maximum
Quote:
By default the OS and all preloaded applications are physically stored on the 128GB of NAND flash. But what happens when you go to write to the array?

Whether it's "by default" or not, the OS is loaded onto a cache drive since it is obviously the most used software
Quote:
After a few accesses Fusion Drive should be able to figure out if it needs to pull something new into NAND.

Reminds me of any hybrid drive or Intel RST
Quote:
OS X doesn't hide the fact that there are two physical drives in your system from you. A System Report generated on a Fusion Drive enabled Mac will show both drives connected via SATA.

Probably because this is just a software implementation, not some innovative hardware




Not to mention, SSD's used in Intel RST are easily interchangeable. I could take mine out right now and it wouldn't cause any issues.
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post #40 of 63
Quote:
Originally Posted by lacrossewacker View Post

Quote:
Originally Posted by lordikon View Post

^^
You should actually read the article so that you understand what Apple's "Fusion Drive" does. It's not just a cache for HDDs.
Quote:
With Fusion Drive enabled, Apple creates a 4GB write buffer on the NAND itself. Any writes that come in to the array hit this 4GB buffer first, which acts as sort of a write cache.

This is we I call Intel Smart Response Technology with Acceleration mode set to" Maximum
Quote:
By default the OS and all preloaded applications are physically stored on the 128GB of NAND flash. But what happens when you go to write to the array?

Whether it's "by default" or not, the OS is loaded onto a cache drive since it is obviously the most used software
Quote:
After a few accesses Fusion Drive should be able to figure out if it needs to pull something new into NAND.

Reminds me of any hybrid drive or Intel RST
Quote:
OS X doesn't hide the fact that there are two physical drives in your system from you. A System Report generated on a Fusion Drive enabled Mac will show both drives connected via SATA.

Probably because this is just a software implementation, not some innovative hardware




Not to mention, SSD's used in Intel RST are easily interchangeable. I could take mine out right now and it wouldn't cause any issues.
Is the size incremental?

i.e. did the volume's size increase with the SSD? No?

Well in Apple's it does.
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