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SSD + 2 x WD Blacks in RAID 0. Is it possible? - Page 3

post #21 of 54
Are the HDD you have sata III that run at 6gb/s? With a 64 MB cache and 7200RPM? My HDD is plenty fast when using a SSD/HDD combo.
 
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post #22 of 54
Quote:
Originally Posted by hawkeye071292 View Post

Are the HDD you have sata III that run at 6gb/s? With a 64 MB cache and 7200RPM? My HDD is plenty fast when using a SSD/HDD combo.

Spindle hard drives are not going to take advantage of the Sata III interface since they are not fast enough to saturate Sata II.
post #23 of 54
Thread Starter 
Quote:
Originally Posted by NameUnknown View Post

Okay, go ahead and run the following command in an admin command prompt:

powercfg -h off

This will make sure that hibernation is turned off and will also delete the hiberfil.sys if it exists on the C drive. This should free up, if its there, approximately the same amount of space as you have RAM.


As for your System Restore, assuming Win7, go to your start menu and right click on 'Computer' then select 'Properties'. Once it brings up the basic information window go to 'System Protection' and select the 'System Protection' tab. On here you will be able to disable System Restore for your C Drive by unchecking it.

While you have The System Properties window up you can also go to the 'Advanced' tab and then click on 'Settings' under 'Performance'. This will bring up a window called Performance Options where you have a button that says 'Change'. Click on 'Change' and then select 'No Paging File' and apply and exit.


Turning these features off will reduce some of the Windows's usage of your SSD by removing old restore points, removing the page file which is not needed on SSDs, and removing the hibernation file. If you aren't comfortable with disabling System Restore, just remove all the old restore points and keep the last couple. Once this is done please give us an update on how much space you have.

I get this when i do the hibernation command:

D:\Users\Willz>powercfg -h off
Hibernation failed with the following error: The request is not supported.

The following items are preventing hibernation on this system.
The system could not create the hibernation file. The specific error co
de is 0xc000007f.

System restore is already off it seems and the pageing file only saved me about 1gb.

What else do you suggest?

Thanks again smile.gif

Will smile.gif
    
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post #24 of 54
well, if you turn on show hidden & show system files do you see a file called hiberfil.sys? If not then hibernation is turned off. Another way to check is see if its a shutdown option in your start menu, if it doesn't show up its been disabled.

Other than that all I can suggest is to run ccleaner and see what it can clean off the drive for you.
You can also see if you have any applications on the SSD that don't need to be on the SSD but could be moved to an HDD.
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post #25 of 54
first couple of replies are lol

he's wondering if the SSD with OS will have trim when the two HDDs are in RAID 0. I'm sure that if he wants to do RAID 0, he'll have a back up for it as well.
post #26 of 54
Quote:
Originally Posted by willcaddy View Post

I get this when i do the hibernation command:

D:\Users\Willz>powercfg -h off
Hibernation failed with the following error: The request is not supported.

The following items are preventing hibernation on this system.
The system could not create the hibernation file. The specific error co
de is 0xc000007f.

System restore is already off it seems and the pageing file only saved me about 1gb.

What else do you suggest?

Thanks again smile.gif

Will smile.gif

Your OS isnt installed on the C drive? Its in D drive?

If its on C drive you need to run the command out of C drive
 
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post #27 of 54
Thread Starter 
Quote:
Originally Posted by hawkeye071292 View Post

Your OS isnt installed on the C drive? Its in D drive?

If its on C drive you need to run the command out of C drive

Oh lord what a rookie mistake lol thanks ill check that out and get back to you smile.gif



Also going back to the old hard drive speed thing, should i need RAID0 for a fast system? atm its a 5400rpm eco drive as the secondary HDD. Would i get enough speed out of just one 7200rpm drive or do you think RAID0 is worth it?

Thanks again smile.gif

Will smile.gif
    
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post #28 of 54
Quote:
Originally Posted by willcaddy View Post

Oh lord what a rookie mistake lol thanks ill check that out and get back to you smile.gif



Also going back to the old hard drive speed thing, should i need RAID0 for a fast system? atm its a 5400rpm eco drive as the secondary HDD. Would i get enough speed out of just one 7200rpm drive or do you think RAID0 is worth it?

Thanks again smile.gif

Will smile.gif

Just to test that out when I got home I started moving files from my 2TB drive and my SSD. When pulling data from my 2TB HDD to my SSD (I moved 2.5gb worth of files/folders) Windows transfer clocked it at 100MB/s... When pulling from my SSD writing to my 2TB, it was transferring over 10 times faster (at around 1.1 - 1.2 GB/s)

You would see a HUGE improvement replacing that 5400RPM drive with one that is 7200. I would try it first, and if it isnt fast enough, look at ordering another one and setting the raid up. Just make sure you pick drives that will run good in RAID. There is a whole section of people using consumer drives to run their house hold raids. Make sure if you are running a RAID0 to take like weekly backups and put them on another drive like an external one though.
Edited by hawkeye071292 - 6/5/13 at 7:12am
 
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post #29 of 54
Quote:
Originally Posted by willcaddy View Post

Oh lord what a rookie mistake lol thanks ill check that out and get back to you smile.gif



Also going back to the old hard drive speed thing, should i need RAID0 for a fast system? atm its a 5400rpm eco drive as the secondary HDD. Would i get enough speed out of just one 7200rpm drive or do you think RAID0 is worth it?

Thanks again smile.gif

Will smile.gif

You can mix drives in a RAID0 but you will not get optimum performance. For instance if you have 1 500GB drive and another 750GB drive then your RAID0 would only have a 1TB capacity due to the minimum drive size being multipled my the number of drives. In this case it would be 2x500GB for 1TB of RAID0 space.

As for mixing speeds of drives, I believe this can be done (not 100% certain) but you would have the same effect. The RAID speed would be limited by the slower drive. So where two 7200RPM drives with access times of 4.2ms in RAID0 would have an access time of around 5ms due to having to seek through two drives instead of one drive. A RAID0 with a 5400RPM drive with a 6ms seek and a 7200RPM with a 4.2ms seek would have a seek time closer to maybe 6.5-7ms due to the seek time on the slower drive.

An ideal RAID of any type 0,1,5, or 6 use identical drives so that you maximize performances and capacities.


As for using 1 7200RPM drive, it is what the vast majority of the world uses and probably a slim majority of OCN as well on a day to day basis. I'm not going to try to make up your mind for you but I will lay out the facts about it all. And in a nutshell it comes down to whether you want to risk data for the sake of speed or have the redundancy of a backup drive. That is the big factor that needs considered most when it comes to determining if you want a RAID0 setup or not.



EDIT (at work, slow response time from me sometimes):
Quote:
Originally Posted by hawkeye071292 View Post

Just to test that out when I got home I started moving files from my 2TB drive and my SSD. When pulling data from my 2TB HDD to my SSD (I moved 2.5gb worth of files/folders) Windows transfer clocked it at 100MB/s... When pulling from my SSD writing to my 2TB, it was transferring over 10 times faster (at around 1.2.1.2 GB/s)

You would see a HUGE improvement replacing that 5400RPM drive with one that is 7200. I would try it first, and if it isnt fast enough, look at ordering another one and setting the raid up. Just make sure you pick drives that will run good in RAID. There is a whole section of people using consumer drives to run their house hold raids. Make sure if you are running a RAID0 to take like weekly backups and put them on another drive like an external one though.

Thanks for providing some reference points with numbers. And I agree, replacing the 5400RPM will make a difference I just like to resolve things without spending money because I'm cheap like that tongue.gif But yes it would make a huge difference, and if you do end up getting a second drive, if you can, try to get one identical to the current 7200RPM so as to have as ideal a setup for RAID if you go that route.
Edited by NameUnknown - 6/5/13 at 7:07am
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post #30 of 54
Quote:
Originally Posted by NameUnknown View Post

You can mix drives in a RAID0 but you will not get optimum performance. For instance if you have 1 500GB drive and another 750GB drive then your RAID0 would only have a 1TB capacity due to the minimum drive size being multipled my the number of drives. In this case it would be 2x500GB for 1TB of RAID0 space.

As for mixing speeds of drives, I believe this can be done (not 100% certain) but you would have the same effect. The RAID speed would be limited by the slower drive. So where two 7200RPM drives with access times of 4.2ms in RAID0 would have an access time of around 5ms due to having to seek through two drives instead of one drive. A RAID0 with a 5400RPM drive with a 6ms seek and a 7200RPM with a 4.2ms seek would have a seek time closer to maybe 6.5-7ms due to the seek time on the slower drive.

An ideal RAID of any type 0,1,5, or 6 use identical drives so that you maximize performances and capacities.


As for using 1 7200RPM drive, it is what the vast majority of the world uses and probably a slim majority of OCN as well on a day to day basis. I'm not going to try to make up your mind for you but I will lay out the facts about it all. And in a nutshell it comes down to whether you want to risk data for the sake of speed or have the redundancy of a backup drive. That is the big factor that needs considered most when it comes to determining if you want a RAID0 setup or not.



EDIT (at work, slow response time from me sometimes):
Thanks for providing some reference points with numbers. And I agree, replacing the 5400RPM will make a difference I just like to resolve things without spending money because I'm cheap like that tongue.gif But yes it would make a huge difference, and if you do end up getting a second drive, if you can, try to get one identical to the current 7200RPM so as to have as ideal a setup for RAID if you go that route.

You can run mixed raids (different drive size) and it is only as high as the lowest drive.

You also can run mixed speed hard drives in a raid. For instance a 2x 15k RPM drives and 1X 10k RPM drive. But the two faster drives will slow down to the point of the slowest drive which is 10k.
 
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