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Shrinking a Partition to Clone

post #1 of 8
Thread Starter 
I started reading about the wonders of these newfangled SSDs and decided to do a couple drive upgrades: replace my laptop's optical with a second HDD (success!) and replace the boot drive with an SSD (in the mail now). So I ordered a Samsung 840 (standard) 250 GB on Sunday and I'm still kicking myself for not waiting 12 hours - I would have seen a blog post about Amazon having a wonderful sale on SanDisk flash storage. I would have saved $20 and have one fewer bit per cell at the cost of ten whole gigabytes. Anyway, my current boot hard drive is a 500 GB HDD. Space isn't an issue; I've only used/reserved 83 GiB in a 454 GiB partition. I've optimized as much as I can (moved page file, disabled hibernate, AHCI and TRIM already enabled, etc.) but Windows 7's built in disk manager will only let me shrink to around ~430 GiB. My question is: what kind of risks are involved when shrinking past Windows' limit when using a third party tool? Is it possible for anything to be corrupted when shrinking? If yes, then how likely is it? I don't think reinstalling Windows is possible since this is an OEM install. Alternatively, would defragging my hard drive allow disk manager to shrink anymore?
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post #2 of 8
I think this is what you are asking...


I always use this program to clone my drives, and as long as the used space on the original partition is less than the available space on the clone, you shouldn't need to shrink the original.

I think this is what you are asking...
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post #3 of 8
Thread Starter 
Quote:
Originally Posted by estabya View Post

I think this is what you are asking...


I always use this program to clone my drives, and as long as the used space on the original partition is less than the available space on the clone, you shouldn't need to shrink the original.

I think this is what you are asking...

Yeah, I've downloaded that. So it automatically relocates files to fit within a smaller partition? That's where I'm uncertain.
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post #4 of 8
Yeah. As long as the target drive has enough free space you'll be good. I've done it many many times to smaller and larger partitions.
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post #5 of 8
Thread Starter 
Quote:
Originally Posted by estabya View Post

Yeah. As long as the target drive has enough free space you'll be good. I've done it many many times to smaller and larger partitions.

Thanks! Google and the like have been utterly useless when I've tried to make certain I won't horribly screw anything up. Second question: what is the highest capacity an SSD can have filled that still allows maximum performance? I'm 99% sure my motherboard only supports SATA II, so I'm not quite sure how much it matters, but I'm thinking a 180 to 200 GiB partition would be best (out of 250 GB).
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RAMHard DriveHard DriveHard Drive
Corsair Dominator Platinum - 2x8GB Crucial M500 - 960GB Samsung 840 - 250GB WD Scorpio Blue - 1TB 
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ADATA SP900 - 64GB Scythe BIG Shuriken 2 Rev. B PNY Quadro 600 blower Windows 10 
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ASUS VE247H - 1080p Gateway FPD1960 - 1280x1024 Samsung S20D300 - 900p, portrait Rosewill RK9000I - Cherry MX Blue 
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Rosewill HIVE 650W Riotoro CR1080 SteelSeries Rival 100 CyberPower 1500PFCLCD 
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post #6 of 8
The consensus seems to be that you should keep 10-20% empty to make sure there's enough room for trim and other cleanup features to operate correctly.

Fill out your rig for your signature and we can tell you what Sata revision it's sporting.
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post #7 of 8
Thread Starter 
And it's successful! Thanks for the help, good sir, and have some rep.



I named it RonaldReagan because it amused me. All of my hard disks are/will be named after Republican presidents and all of my solid state drives after important scientists. So NikolaTesla should arrive within a couple days and I can image this drive over and use the unallocated space as an external back-up for important media with my shiny new SSD installed internally for booting and programs.
Triumvirate
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Osmium
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For Sale: [FS] Z97 system: Xeon and RAM
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RAMHard DriveHard DriveHard Drive
Corsair Dominator Platinum - 2x8GB Crucial M500 - 960GB Samsung 840 - 250GB WD Scorpio Blue - 1TB 
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ADATA SP900 - 64GB Scythe BIG Shuriken 2 Rev. B PNY Quadro 600 blower Windows 10 
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ASUS VE247H - 1080p Gateway FPD1960 - 1280x1024 Samsung S20D300 - 900p, portrait Rosewill RK9000I - Cherry MX Blue 
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Rosewill HIVE 650W Riotoro CR1080 SteelSeries Rival 100 CyberPower 1500PFCLCD 
CPUMotherboardRAMHard Drive
AMD A10-7870K ASRock FM2A88X-ITX+ G.Skill Ripjaws X - 2x4GB @ 2400MT/s Samsung 840 120GB 
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Triumvirate
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Osmium
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For Sale: [FS] Z97 system: Xeon and RAM
$160 (USD) or best offer
CPUMotherboardGraphicsGraphics
i7-5775C ASUS Sabertooth Z97 Mark 2 Sapphire RX 480 (reference) MSI Low-Profile 750Ti 
RAMHard DriveHard DriveHard Drive
Corsair Dominator Platinum - 2x8GB Crucial M500 - 960GB Samsung 840 - 250GB WD Scorpio Blue - 1TB 
Hard DriveCoolingCoolingOS
ADATA SP900 - 64GB Scythe BIG Shuriken 2 Rev. B PNY Quadro 600 blower Windows 10 
MonitorMonitorMonitorKeyboard
ASUS VE247H - 1080p Gateway FPD1960 - 1280x1024 Samsung S20D300 - 900p, portrait Rosewill RK9000I - Cherry MX Blue 
PowerCaseMouseOther
Rosewill HIVE 650W Riotoro CR1080 SteelSeries Rival 100 CyberPower 1500PFCLCD 
CPUMotherboardRAMHard Drive
AMD A10-7870K ASRock FM2A88X-ITX+ G.Skill Ripjaws X - 2x4GB @ 2400MT/s Samsung 840 120GB 
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post #8 of 8
Haha Ronald Reagan. That's awesome. And I'm glad I could help smile.gif
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