On Tuesday 19 May 2015 10:53:26 Rich Freeman wrote: > On Tue, May 19, 2015 at 10:44 AM, Peter Humphrey <pe...@prh.myzen.co.uk> wrote: > > Incidentally, what's the received wisdom on frequency of file-system > > trimming on SSDs these days? I've seen values quoted between twice a day > > and once a week. And how does trimming affect btrfs? > > I've been trimming mine daily, and I've yet to be able to distinguish > it from a no-op. As far as I can tell fstrim -v always outputs 0 > bytes trimmed.
Ah, well that's quite different from my Atom box with its 64GB SSD; before I remove the -v a few weeks ago it was reporting many megabytes trimmed most times it ran. That's on ext4 and running Gentoo with http-replicator service. -- Rgds Peter
