On Tue, Apr 28, 2020, at 6:51 PM, Chris Adams wrote: > Now that Fedora 32 has fstrim.timer enabled by default... how about > discards for the things that fstrim doesn't get? Two main things I know > of: > > - swap: Do discard at swapon time by setting "discard=once" in > /etc/fstab would be somewhat similar to the periodic fstrim call. I > don't know how much impact the "discard=pages" option might have (the > man page says it is asynchronous, but it might make low-memory > situations worse). > Seems reasonable. > - logical volumes: Set "issue_discards = 1" in /etc/lvm/lvm.conf so that > removed LVs get discarded. > Could foreclose data recovery in case LV was removed entirely, so I'd leave it to fstrim.timer on the eventual filesystem. V/r, James Cassell _______________________________________________ devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/devel@xxxxxxxxxxxxxxxxxxxxxxx