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How does short stroking work?

post #1 of 27
Thread Starter 
Hey guys
I'd just like to know exactly how the process of short stroking works for your HDD. I want to get 2 x1TB Samsung Spinpoint F3 Hard Drives, use RAID0 to speed them up, and then short stroke for the OS drive. How exactly do you go about doing this, do you partition into 2 1TB drives and then short stroke one to ~30gb, and leave the other one for storage, or does short stroking take up all your room? I still want ATLEAST 700gb left over, if not more, to use as normal storage using raid. I look forward to your replies
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post #2 of 27
If you are going to RAID them, you need to short stroke them both as you'd need them to be the same capacity.
post #3 of 27
Just make a one small partition and leave the rest of the drive allocated. This works because only the inner parts of the drive (which are also the fastest) are used, and the read/write head doesn't have to travel across the whole drive in order to reach its destination.

For a RAID array, short stroke both, as you'll need them to be the exact same capacity.

EDIT: Ninja'd
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post #4 of 27
^ You mean outer edge of the platters right?
 
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post #5 of 27
Basically use of only the inner part of the discs. The closer to the center, the faster it works.
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post #6 of 27
Quote:
Originally Posted by HybridCore View Post
Basically use of only the inner part of the discs. The closer to the center, the faster it works.
This was a j/k right?

The fastest part is the outer edge of the platter, when you create a partition it will start at the outer edge and work inwards.

If its a raid0 just create a single 100MB or so partiton, it will split it 50/50 between the two drives.
 
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post #7 of 27
Thread Starter 
So I would have to short stroke them both to about 40GB each, giving me a full capacity of 80GB usable? Since this is a very small drive, how much performance would I lose from just doing Raid0 w/o short stroking?
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post #8 of 27
No.

When you create a RAID0 array it will look like a single drive under windows a little under 2TB of space.... Just create an 80GB partition on the drive it will automaticly split that between the two. Install the OS, then after create another partition for your storage... Though using the rest of the drive makes shortstroking less effective....

Idealy you want those two 1TB drives RAID0 80GB partiton and another 1TB or so for storage. As the RAID0 array only needs to access a small portion of the platter the head does not need to span the whole disk, only the outer edge....
Edited by TheReaperWaits - 3/20/11 at 5:49pm
 
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post #9 of 27
Short stroking improves access times. Between short stroking and a SSD, SSD is still going to be faster.
post #10 of 27
Quote:
Originally Posted by TheReaperWaits View Post
No.

When you create a RAID0 array it will look like a single drive under windows a little under 2TB of space.... Just create an 80GB partition on the drive it will automaticly split that between the two. Install the OS, then after create another partition for your storage... Though using the rest of the drive makes shortstroking less effective....

Idealy you want those two 1TB drives RAID0 80GB partiton and another 1TB or so for storage. As the RAID0 array only needs to access a small portion of the platter the head does not need to span the whole disk, only the outer edge....
haha.. reading the responses I was like...
A lot of misinformation in this thread.

For the op:

The outer edge is spinning faster than the inner edge.. look at hdd tune graphs, every wonder why the rates drop off?
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