On Sunday 29 Jan 2017 22:10:59 Neil Bothwick wrote: > On Sun, 29 Jan 2017 19:17:47 +0000, Mick wrote: > > > Are you running fstrim once in a while like it's recommended? > > > Apparently using 'discard' as an option when mounting is no longer > > > recommended. On my laptops I use a systemd timer to do this. Before > > > that I used anacron (I think it was anacron) which would run missed > > > cronjobs. > > > > This is surprised me ... I just installed Gentoo on a MacBook and the > > handbook/wiki said to use discard in fstab ... I'm running two PCs like > > this now. :-/ > > > > Is there a URL somewhere recommending otherwise? > > man fstrim: > > Running fstrim frequently, or even using mount -o discard, might > negatively affect the lifetime of poor-quality SSD devices. For most > desktop and server systems a sufficient trimming frequency is once a > week. Note that not all devices support a queued trim, so each trim > command incurs a performance penalty on whatever else might be trying to > use the disk at the time.
Hmm .... I better take these discards off fstab then. Are these weekly trims OK, if the PC is rebooted on a daily basis? -- Regards, Mick
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