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I've had a 128GB toshiba SSD on my T400 and have just bought a new 240GB intel SSD (335 series). I want to have a clean new dual boot install of ubuntu and windows 7.

With my SATA II system, the new intel SSD should probably be 1.3-1.5 times faster on buffer read and at least twice faster on cached read. Now I need to know which one to mount for my home directory and which one to use for the OS installs.

Option 1) Use faster SSD for windows+linux+home and use the other SSD for extra space.

Option 2) Use faster SSD for windows+linux and mound home on the other SSD.

Option 3) User slower SSD for windows+linux and mount home on the other SSD.

Option 4) Some type of RAID array setup.

Typical programs on linux: Chrome, Thunderbird (heavy), occasional torrent download. Windows: Starcraft II.

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2 Answers 2

I'd use the slower ssd too. Ubuntu boots fast anyway so it really doesn't matter which you choose. You would not notice the difference anyway (unless you do some benchmarks).

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I'd use the slower SSD for home. Most of what's stored there are config files and personal files (mp3s,docs,etc). That leaves the faster to run your OS and applications. But honestly I doubt an eye test would be able to tell the difference either way.

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My thunderbird makes heavy use of these personal files (many email folder files and index files, etc). I was wondering if having the home on the same drive would be better than keeping it on the old SSD with parallel reads. –  user110319 Nov 24 '12 at 6:17
    
I don't think so. Like @teddy said, you're probably not going to be able to notice the performance difference without benchmarking. Another advantage to having home on a separate disk is that you're splitting up the disk I\O from system activities from home activities hence more efficiently using all your I/O capacity. This could be useful especially if you're running VM's. –  smooth-texan Nov 24 '12 at 15:12
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