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I am going to do a reinstall of Ubuntu on my workstation and have an SSD in there. Which directories would you map to the SSD during installation for the following criteria:

  • Rather not blast it with writes
  • Don't want to put /home there. I know this will probably give me the best increase in speed but don't want the risk of my data being on an a consumer MLC (even with backups)
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If you're not installing software constantly then I'd map:

/bin
/sbin
/usr
/lib
/opt (if you have it)
/etc

to the SSD.

These directories are going to be read many more times than written to (as writes only occur to these locations when software is installed).

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1  
+1, All very fine choices. Personally I'd also add /var to it, but that fails the 'blast with writes' criteria. – SysAdmin1138 Feb 27 '11 at 17:27
    
Keep in mind that out-of-the-box, MySQL puts its database files in /var. How that fits into SSD use scenario, I'm not sure. – Randall Schulz Jun 18 '11 at 22:12

In addition to the directories listed by superdupersheep:

/bin
/sbin
/usr
/lib
/opt (if you have it)
/etc

I'd also add /boot, and also make the SSD the boot drive since this is where the linux kernel will live.

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