On 08/04/15 08:03, Andrew Elwell wrote: > Hi All, > > In the tmpfs admin guide, there's this warning: > >> Enable all changelog events (except ATIME, which is not to be used in >> production): >> lctl conf_param mdd.*.changelog_mask all-ATIME > However, we wish to apply a purge policy of anything not accessed for > 30 days is eligible for purge. Hi Andrew,
Don't care about ATIME records, even if your policy is based on it: robinhood initially schedules the policy based on the last access it has in its DB, but it double checks atime value before purging and reorder entries accordingly. So it is safe, even without activating ATIME records. > just how bad is ATIME changelogs (this is for a 3.1pb filesysystem > with ~500M files, 150M directories (yay for openfoam)) It is definitly not a good idea to activate ATIME. This could dramatically increase the changelog workload. Regards, Thomas ------------------------------------------------------------------------------ _______________________________________________ robinhood-support mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/robinhood-support
