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Sean's Windows 7 Install & Optimization Guide for SSDs & HDDs - Page 6

post #51 of 5384
Quote:
Originally Posted by Sean Webster;15530554 
You are correct, windows does align properly, but it is more optimal to have it align 4k rather than default.
Everyone has been saying that lately and it may well be correct, but no one has attempted to justify WHY 4096K is preferable to 1024K.

The reason we align to 1024 is to make sure sectors don't span the erase block size of the SSD, which would cause one block deletions to span two blocks, thus significantly impacting performance. Since 4096 is a multiple of 1024 it will also clearly have the same effect regarding the erase block size but what is the actual justification for it being 4096 specifically?

I really don't think "I don't know" is an acceptable answer when the guide very explicitly pins the answer as 4096K.
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post #52 of 5384
Thread Starter 
Quote:
Originally Posted by lightsout;15530585 
People still do all this junk. I know with early ssd's a lot of these things were needed. But I think some of this stuff is just not necessary. I used to freak out about all these things everytime I reformatted. Now I just turn off hibernation to save some space. Do you have some before and after benches to show a benifit.

I agree, but this has other info to optimize windows in general to and I am trying to put all the info on this stuff in one place. It is really a personal guide lol
post #53 of 5384
This is what I have found out in the previous "Win 7 SSD's setup and secrets guide":

Originally Posted by crabby654
Quote:
Sorry not to harp on this again but I'm having a bit of trouble finding a definitive reason why. But how is the 4096 alignment better than the 1024?

I'm only asking because I can't seem to find a for sure source of why its better and I'm curious if its format worthy

Originally Posted by BradleyW
Quote:
It will allow more segments of information to be stored per cluster. Too little reduces performance. Too high of a number will also cause storage and performance issues. 4096 is optimal, it performs the best and that's just how it is. Put it this way, in 5 minutes i will be cleaning all my hdd's and putting windows on the raid setup. I will then format the SSD in windows to 4096 with the latest firmware too. Then i'm putting windows back on the SSD using raid for software
post #54 of 5384
Thread Starter 
Ok, I edited the alignment step. Like I said in the op, this is what I do, this is what I feel comfortable with. You can choose to do what you like in this guide. I will try to link info on each part if you guys would like explanations wink.gif
post #55 of 5384
Nice work, I'm not saying 4096K is wrong just that I have not seen a convincing argument for doing it. "It's better, trust me" is about as good as we've got so far! lol

Anyway, good guide and nice that you're here taking comments about it and maintaining things thumb.gif
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post #56 of 5384
Thread Starter 
Quote:
Originally Posted by infected rat;15530761 
Nice work, I'm not saying 4096K is wrong just that I have not seen a convincing argument for doing it. "It's better, trust me" is about as good as we've got so far! lol

Anyway, good guide and nice that you're here taking comments about it and maintaining things thumb.gif

Thanks, I'm trying my best lol. If you can find info on 4k alignment I would appreciate it. I've been making this guide from my itouch lol
post #57 of 5384
I believe the 4096 thing is with the change in sector size of disks from 512 to 4096. So basically 4096 is the "new" first sector, rather than 512x2 (1024). If this is HDD or SSD specific, I am not positive.

http://www.ibm.com/developerworks/linux/library/l-4kb-sector-disks/index.html?ca=dgr-lnxw074KB-Disksdth-LX
Quote:
Starting in December 2009, hard disk manufacturers began introducing disks that use 4096-byte sectors rather than the more common 512-byte sectors. Although this change is masked by firmware that breaks the 4096-byte physical sectors into 512-byte logical sectors for the benefit of the operating system, the use of larger physical sectors has implications for disk layout and system performance.
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post #58 of 5384
post #59 of 5384
Thread Starter 
Quote:
Originally Posted by esocid;15530789 
I believe the 4096 thing is with the change in sector size of disks from 512 to 4096. So basically 4096 is the "new" first sector, rather than 512x2 (1024). If this is HDD or SSD specific, I am not positive.

http://www.ibm.com/developerworks/linux/library/l-4kb-sector-disks/index.html?ca=dgr-lnxw074KB-Disksdth-LX

Thanks. Rep+
post #60 of 5384
I suggest you to remove the disable windows defrag tip in Crabby654 quote :
Quote:
Originally Posted by DuckieHo;15527803 
Disk Defragmenter should not be disabled since it will not defrag a 0RPM disk (i.e. SSD) anyways. It will still defrag your HDDs.

Also I agree on the paging file stuff :
Quote:
Originally Posted by DuckieHo;15527803 
Paging File does not need to be disabled and is recommended.

Otherwise its a very good guide man ! thumb.gif
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