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Spinpoint F3 1TB RAID0 full vs. short stroke - Page 2

post #11 of 43
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Quote:
Originally Posted by Refreshment View Post
Thanks for the answers guys

So whats the maximun amount of space i could short stroke the drive to get a significant performance boost?

Also leaving short stroking aside, any recomendations on how should i format and partition the drive.

Edit: Keep in mind im asking advice for measures that might benefit games
you should only short stroke if youre going to use them as the OS drives.

if you are, short stroke it to 40gb for just the OS, and then create a partition with the remaining space for games and programs.
 
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post #12 of 43
Quote:
Originally Posted by srsparky32 View Post
you should only short stroke if youre going to use them as the OS drives.

if you are, short stroke it to 40gb for just the OS, and then create a partition with the remaining space for games and programs.
I thought the whole point of short stroking was to keep the head travel as small as possible and all the data on the outer edge of the disk. Putting more data on the disk (regardless of if it's on another partition or not) means the head has to travel the full width of the disk and data is still spread across the disk.

If you want to short stroke -- do it only for the OS (~10-20% of the disk's total capacity) and leave the rest blank and unpartitioned. Otherwise, putting other partitions and data on the short-stroked disk negates any benefit of short stroking to begin with.
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post #13 of 43
Quote:
Originally Posted by The_Cyb0rg View Post
I thought the whole point of short stroking was to keep the head travel as small as possible and all the data on the outer edge of the disk. Putting more data on the disk (regardless of if it's on another partition or not) means the head has to travel the full width of the disk and data is still spread across the disk.

If you want to short stroke -- do it only for the OS (~10-20% of the disk's total capacity) and leave the rest blank and unpartitioned. Otherwise, putting other partitions and data on the short-stroked disk negates any benefit of short stroking to begin with.
then you would have a whole waste of 80-90% of space if your only using 10-20% for the programs....
the whole point of SS is to let the OS access the drives faster during bootup so you get relativly faster bootup, shutdown and disk write speeds for the OS
post #14 of 43
Quote:
Originally Posted by Mr.Pie View Post
then you would have a whole waste of 80-90% of space if your only using 10-20% for the programs....
the whole point of SS is to let the OS access the drives faster during bootup so you get relativly faster bootup, shutdown and disk write speeds for the OS
Right, that's an accepted con of short stroking if speed is your #1 focus. As soon as you add another partition and put files on it, the benefit of short stroking is gone and you've got nothing more than a typical mirrored setup (which admittingly is fast for larger transfers and such, but access times aren't that much better)

If you only have ~20-40GB available after taking into account the ~10-20% short stroked partition, put your files on another drive outside of the RAID because again, the main reason you short stroke is for access times. And if the disk has multiple partitions and/or data spanning the entire disk, access times won't be any better than a "normal" drive.

With that said, if you've got a RAID 0 array with a small "OS partition" and a second "data partition", it's not short stroked. It's just a RAID array with multiple partitions. Short stroked in it's purest form is one single, small partition for OS (and if need be, a few major programs) with the remaining disk space blank and unpartitioned.
Edited by thecyb0rg - 3/18/11 at 4:47am
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post #15 of 43
Quote:
Originally Posted by The_Cyb0rg View Post
....
I don't think that's true, I've short stroked my F3 with the OS and some programs on one partition, and games on the other partition.

I don't lose any performance on the drive, as I'm never trying to access both partitions at once and needing the speed. I'm not booting the OS while running a game, and I'm not running a program that I need fast access times for (like Photoshop) while also running a game in the background...

So it's stupid to throw away 90% of your capacity to get very marginally increased performance, when you definitely do NOT need to leave the whole of the other partition blank to receive the performance boost...
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post #16 of 43
Quote:
Originally Posted by Scorpii View Post
I don't think that's true, I've short stroked my F3 with the OS and some programs on one partition, and games on the other partition.

I don't lose any performance on the drive, as I'm never trying to access both partitions at once and needing the speed. I'm not booting the OS while running a game, and I'm not running a program that I need fast access times for (like Photoshop) while also running a game in the background...

So it's stupid to throw away 90% of your capacity to get very marginally increased performance, when you definitely do NOT need to leave the whole of the other partition blank to receive the performance boost...
you just said what I wanted to say.....i would have gotten an SSD instead of 2 HDD's then if I wanted a dedicated boot drive
post #17 of 43
Quote:
Originally Posted by Scorpii View Post
I don't think that's true, I've short stroked my F3 with the OS and some programs on one partition, and games on the other partition.

I don't lose any performance on the drive, as I'm never trying to access both partitions at once and needing the speed. I'm not booting the OS while running a game, and I'm not running a program that I need fast access times for (like Photoshop) while also running a game in the background...

So it's stupid to throw away 90% of your capacity to get very marginally increased performance, when you definitely do NOT need to leave the whole of the other partition blank to receive the performance boost...
Again, if you don't care about access times, there's no point in short stroking as that's the sole reason to do so. The article I originally referenced on page one (here) shows the increased access times as the allotted storage space (read: partitioned space) is increased.



Quote:
Originally Posted by Mr.Pie View Post
you just said what I wanted to say.....i would have gotten an SSD instead of 2 HDD's then if I wanted a dedicated boot drive
I already have an SSD for a boot drive. Though I used to use one as a RAID 0 boot drive. And like I said, if speed is your #1 concern (and you can't afford to upgrade to an SSD), you don't want the head moving across the entire platter. If there's data across the whole platter as opposed to just a small strip on the outer edge, access times will be no different than a normal hard drive. A multi-partitioned or fully used drive is not short stroking.
Edited by thecyb0rg - 3/18/11 at 5:57am
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post #18 of 43
Quote:
Originally Posted by The_Cyb0rg View Post
Again, if you don't care about access times, there's no point in short stroking as that's the sole reason to do so. The article I originally referenced on page one (here) shows the increased access times as the allotted storage space (read: partitioned space) is increased.
I don't see how that supports what you're saying.

The evidence there shows that bigger partitions increase access times, as does using space on that partition (which everyone agrees on).

There is no evidence I can see to support your claim that utilising space on the second partition impacts performance on the first partition! The poster in that thread doesn't do any comparisons using the second partition at all, so I don't see where you're getting your information that increasing data stored on partitions other than the short stroked partition affects the speed of that partition
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post #19 of 43
Quote:
Originally Posted by Scorpii View Post
I don't see how that supports what you're saying.

The evidence there shows that bigger partitions increase access times, as does using space on that partition (which everyone agrees on).

There is no evidence I can see to support your claim that utilising space on the second partition impacts performance on the first partition! The poster in that thread doesn't do any comparisons using the second partition at all, so I don't see where you're getting your information that increasing data stored on partitions other than the short stroked partition affects the speed of that partition
Because, when you have a second partition, the head still has to travel to and from it reducing seek/access times. If it's unpartitioned, the head never even realizes it's there and stays in its tiny little short stroked strip. If there is another partition, the head has to travel to it thereby reducing seek times.

If you're using a multi-partitioned "short stroked" drive with a set up such as C: ~30-60GB and then D: *remaining free storage* and also use D as your main storage medium, you're negating any improvement in access/seek times short stroking provides because the head still has to travel across both partitions and data.
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post #20 of 43
Quote:
Originally Posted by The_Cyb0rg View Post
Because, when you have a second partition, the head still has to travel to and from it reducing seek/access times. If it's unpartitioned, the head never even realizes it's there and stays in its tiny little short stroked strip. If there is another partition, the head has to travel to it thereby reducing seek times.

If you're using a multi-partitioned "short stroked" drive with a set up such as C: ~30-60GB and then D: *remaining free storage* and also use D as your main storage medium, you're negating any improvement in access/seek times short stroking provides because the head still has to travel across both partitions and data.
I don't think the heads travel and look through every bit of data to find a section; if it knows logically where the C:\\ partition is, and knows that all the data of, say, windows is located there, it's not going to search through the whole of the D:\\ partition to boot up windows.

Same goes for programs I locate on C:\\ and games on D:\\.

I'll believe you if you can link me to some research or benchmarks done supporting your claims, but otherwise I don't see how or why you think that utilising the second partition for content of a completely separate type to that on the first impacts the first's performance
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