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SSD Care question.

post #1 of 7
Thread Starter 
Hey guys.

I was reading an article on the web about SSD care. The guy that wrote the article said that SSD hard drives have a finite amount of read / write cycles before the memory chips fail. So he said that people using SSD drives should disable "data prefetch" and "defrag" and something else about look ahead. Cant remember that last one. Basically he talked about disabling 4 things. He said it would stop windows from doing lots of little reads and writes which would shorten the life span on the NAND memory chips.

Does this guy know what he's talking about? Or was he just going over board?
I'd like to know your opinions on this. Also if I turn all this stuff off will it slow down my SSD? Or are these features more designed for spinner HDD's?

PS: He also said that TRIM would help the SSD live longer and that everyone with an SSD should turn TRIM on.
What is TRIM BTW.

Thanks
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post #2 of 7
He is correct in what he wrote. However, It is not like every SSD will die in a year from use. TRIM is a form of garbage collection where when the system is idle it will free up formerly used sectors on the SSD that still show traces of a deleted file. you can read a more accurate definition Here I hope this helps.
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post #3 of 7
Well I have ran 2 G.SKILL Phoenix Pro II in Raid 0 for over a year and they are still running good. I sold them to buy my Samsung 830. The only thing I would do is disable defrag.
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post #4 of 7
Thread Starter 
Quote:
Originally Posted by wheth4400 View Post

He is correct in what he wrote. However, It is not like every SSD will die in a year from use. TRIM is a form of garbage collection where when the system is idle it will free up formerly used sectors on the SSD that still show traces of a deleted file. you can read a more accurate definition Here I hope this helps.

I clicked and read the Wikipedia link you gave me. Lots of good information in there.
Seems like TRIM is a very good thing. So I guess Ill enable it once I get my new PC.

Thanks a lot. redface.gif
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post #5 of 7
Quote:
Originally Posted by Solar71 View Post

Hey guys.

I was reading an article on the web about SSD care. The guy that wrote the article said that SSD hard drives have a finite amount of read / write cycles before the memory chips fail. So he said that people using SSD drives should disable "data prefetch" and "defrag" and something else about look ahead. Cant remember that last one. Basically he talked about disabling 4 things. He said it would stop windows from doing lots of little reads and writes which would shorten the life span on the NAND memory chips.

Does this guy know what he's talking about? Or was he just going over board?
Yes, he does, but most of that you don't need to worry about as windows disables that by itself.
Quote:
I'd like to know your opinions on this. Also if I turn all this stuff off will it slow down my SSD?
Actualyl it can speed it up...minutely.

Windows OS tips and tricks here:
www.overclock.net/t/1156654/seans-windows-7-install-guide-optimization-for-ssds-hdds
www.overclock.net/t/1240779/seans-windows-8-install-optimization-guide-for-ssds-hdds
Quote:
Or are these features more designed for spinner HDD's?
Yep for slow HDDs.
Quote:
PS: He also said that TRIM would help the SSD live longer and that everyone with an SSD should turn TRIM on.
What is TRIM BTW.

Thanks
True, TRIM reduces write amplification during garbage collection. TRIM marks delete items in the OS so garbage collection can run more efficiently.

I gave a bunch of SSD info here for ya if you like: www.overclock.net/t/1179518/seans-ssd-buyers-guide-information-thread
post #6 of 7
Thread Starter 
Quote:
Originally Posted by Sean Webster View Post

Yes, he does, but most of that you don't need to worry about as windows disables that by itself.
Actualyl it can speed it up...minutely.
Yep for slow HDDs.
True, TRIM reduces write amplification during garbage collection. TRIM marks delete items in the OS so garbage collection can run more efficiently.
I gave a bunch of SSD info here for ya if you like: www.overclock.net/t/1179518/seans-ssd-buyers-guide-information-thread

Thank you.
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post #7 of 7
Prefetch is useless on an SSD. It was designed with slow hard drives with long seek times in mind. Since accessing data on any part of the SSD should be equally fast, you can disable prefetch. If I remember correctly, a fresh install of Windows 7 automatically disables prefetch if you're using an SSD. This doesn't actually hurt SSD life. It's just pointless to have enabled.

Defrag, same as above. It was designed to reduce seeks in mechanical drives. Given the SSD controller arbitrarily assigns addresses to the various NAND blocks, this is another useless thing and this actually hurts SSD life by using up P/E cycles unnecessarily. As with prefetch, Windows 7 is smart enough to disable this if you're using an SSD.
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