Am Sonntag, 9. März 2014, 11:33:50 schrieb Hugo Mills: > On Sun, Mar 09, 2014 at 11:23:29AM +0100, Swâmi Petaramesh wrote: > > Le dimanche 9 mars 2014 11:01:17 vous avez écrit : > > > This ThinkPad T520 has been with BTRFS since installation of the Debian > > > sid system on it with Kernel 2.6.39 or even 2.6.38 (where Sandybridge > > > graphics didn´t work so well as today yet). > > > > > > So that much to any FUD about BTRFS and SSDs. > > > > > > > > Wow ! > > > > > > > > Thanks for this very interesting info. Would you tell me if you use any of > > the SSD optimisation mount options: discard, ssd or ssd_spread ? > > I would recommend none of the three. > > ssd should be activated automatically on any non-rotational device. > ssd_spread is generally slower on modern SSDs than the ssd option. > discard is, except on the very latest hardware, a synchronous command > (it's a limitation of the SATA standard), and therefore results in > very very poor performance. Thats exactly how I use it. I just fstrim the partitions from time to time. Thanks, -- Martin 'Helios' Steigerwald - http://www.Lichtvoll.de GPG: 03B0 0D6C 0040 0710 4AFA B82F 991B EAAC A599 84C7
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