SSD drives

Michal Schmidt mschmidt at
Thu May 24 14:36:21 UTC 2012

On 05/24/2012 03:20 PM, Gerry Reno wrote:
> I also read here:
> about using TRIM with LUKS.
> Since I'm putting an SSD in my laptop this is important because the
> laptop drive must be encrypted.
> So is F17 going to support TRIM w/LUKS automatically?
> Or do we need to perform some special configuration to get TRIM
> w/LUKS?  (Yes, I understand some attacker might be able to guess my
> filesystem type due to erased blocks - seems very low risk though).

To use this feature, you can specify the option "allow-discards" in 
/etc/crypttab. You need systemd >= 44-11, currently in updates-testing.


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