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post #11 of 14
That raxco page sounds like a bunch of hand-waving. It doesn't matter where the free space is on a SSD, since the access time is the same for all of it, so the only possible advantage of "free space consolidation" is to have fewer partially written blocks - which is exactly what TRIM and garbage collection already do. So why pay extra for software to do something that the drive already does internally? Plus, does the OS even know where data actually is on the SSD, due to drive internal wear levelling? I was under the impression that the drive didn't pass that info back to the OS.
post #12 of 14
Quote:
Originally Posted by Forceman View Post

That raxco page sounds like a bunch of hand-waving. It doesn't matter where the free space is on a SSD, since the access time is the same for all of it, so the only possible advantage of "free space consolidation" is to have fewer partially written blocks - which is exactly what TRIM and garbage collection already do. So why pay extra for software to do something that the drive already does internally? Plus, does the OS even know where data actually is on the SSD, due to drive internal wear levelling? I was under the impression that the drive didn't pass that info back to the OS.

Look at Edit 2. I kind of wonder if it is a bunch of hog-wash too, but I had perfect disk before i owned a SSD. I use perfect disk for my HDD's,...it just so happens that it has some cool features for SSD's that i occasionally play around with. My point was that traditional file defragmentation is bad for a SSD, but some argue (this could be a bit subjective) that some types of defragmentation are helpful. Not all defragmentation software is bad.

Take it worth a grain of salt. If the offical OCZ forum moderator say it might be useful in some situations, than perhaps it is. I can see agruements for and against.

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post #13 of 14
Quote:
Originally Posted by crimsontears809739 View Post

Look at Edit 2. I kind of wonder if it is a bunch of hog-wash too, but I had perfect disk before i owned a SSD. I use perfect disk for my HDD's,...it just so happens that it has some cool features for SSD's that i occasionally play around with. My point was that traditional file defragmentation is bad for a SSD, but some argue (this could be a bit subjective) that some types of defragmentation are helpful. Not all defragmentation software is bad.
Take it worth a grain of salt. If the offical OCZ forum moderator say it might be useful in some situations, than perhaps it is. I can see agruements for and against.
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I'm wondering how much of this has been overtaken by TRIM and internal drive garbage collection. That article is from 2008, and while what they say makes sense, it also dates back from the very early days of SSDs. Be nice to see some tests with a current drive. It basically sounds like that they are trying to do is manually TRIM the drive, which obviously has benefits if it works, but I'd like to see if just leaving the drive idle for a while wouldn't have the same effect.

Any of those programs have a demo? I'd like to play around with one.
post #14 of 14
Was gonna advise you to check out Sean's thread, but he's already here so I'll just say listen to him. Seems to know what's up.

http://www.overclock.net/forum/newestpost/1156654 - Thread URL anyhow
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