See also 'anacron' to run cron tasks that were missed due to the system being off.
Hi Victor, many years since we spoke last o/ On Wed, 9 Feb 2022 at 18:16, Victor Churchill <victorchurch...@gmail.com> wrote: > I've not used fstrim, but I assume you're putting a fstrim command into > your crontab but concerned that it won't run if the machine is shut down > before the cron time comes round. > Have you seen the cron '@reboot' facility? This will run whatever command > you give it when Linux starts. > You might want to give it a script which checks for the existence of some > flag to tell it whether it wqants to run fstrim or not, depending on > whether fstrim got run by a regular scheduled cronjob (which could set > aforesaid flag). > > best regards, > 웃 > Victor Churchill, > Netley Abbey, Southampton > > > > On Wed, 9 Feb 2022 at 17:57, Hamish McIntyre-Bhatty <d...@hamishmb.com> > wrote: > > > Hi there, > > > > I believe a while back I was talking about TRIM here, more specifically > > about it not running automatically on my systems, and I think someone > > recommended I enable fstrim.service with systemd. > > > > I finally got around to that, only to find that it was already enabled, > > and apparently not doing anything. As I don't leave my systems on 24/7, > > is it safe to assume that the timer isn't firing when the system is > > booted up later, after the configured time for TRIM has passed? > > > > If so, does anyone know how to configure a task like this to run when > > scheduled, or alternatively when the system is next booted up in the > > case that the event was missed? > > > > I know CRON can't do this, and I assumed the point of using systemd > > timers was that they could do this, but alas perhaps not. I assume there > > must be a standard way to do this, because it seems like a rather big > > omission, considering that other commercial operating systems Who Must > > Not Be Named (TM) seem to have had this feature for a while. > > > > Any ideas? > > > > Hamish > > > > > > -- > > Next meeting: Online, Jitsi, Tuesday, 2022-03-01 20:00 > > Check to whom you are replying > > Meetings, mailing list, IRC, ... http://dorset.lug.org.uk > > New thread, don't hijack: mailto:dorset@mailman.lug.org.uk > > > -- > Next meeting: Online, Jitsi, Tuesday, 2022-03-01 20:00 > Check to whom you are replying > Meetings, mailing list, IRC, ... http://dorset.lug.org.uk > New thread, don't hijack: mailto:dorset@mailman.lug.org.uk > -- Next meeting: Online, Jitsi, Tuesday, 2022-03-01 20:00 Check to whom you are replying Meetings, mailing list, IRC, ... http://dorset.lug.org.uk New thread, don't hijack: mailto:dorset@mailman.lug.org.uk
