On Fri, 25 May 2012, Matthias Apitz wrote:
Talking about another question, related to file systems on SSD:
My netbook with the two SSD has file systems mounted as:
$ df -kh
Filesystem Size Used Avail Capacity Mounted on
/dev/ada0s1a 3.7G 567M 3.1G 15% /
/dev/ada1s1a 14G 8.7G 5.9G 60% /usr/local
/dev/md0 125M 88k 115M 0% /tmp
Below /usr/local is also my (one and only) HOME dir;
I'm on the way to reinstall all with 10-CURRENT and I'd like to crypt the
partition /dev/ada1s1a with geli(8).
Any objections against running geli(8) on SSD?
Not that I know of. The encryption happens before the write, so it
won't (shouldn't) cause any extra writes. Be prepared for a performance
drop. If you have a CPU with AESNI, it helps.
Should I split /dev/ada1 into two separate partitions, one for real
/usr/local and one for my HOME and only crypt this with geli(8)?
Hard to say, but I think that encrypting only the necessary data would
be better for netbooks with relatively slow CPUs.
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