the problem is that some of these parameters seems like are not there on the MDS side
lctl get_param osc.*.checksums error: get_param: param_path 'osc/*/checksums': No such file or directory lctl get_param osc.*.max_pages_per_rpc error: get_param: param_path 'osc/*/max_pages_per_rpc': No such file or directory lctl get_param llite.*.max_cached_mb only some of them are on the MDS side lctl get_param osc.*.max_rpcs_in_flight osc.drpffb-OST0001-osc-MDT0000.max_rpcs_in_flight=64 osc.drpffb-OST0002-osc-MDT0000.max_rpcs_in_flight=64 osc.drpffb-OST0003-osc-MDT0000.max_rpcs_in_flight=64 On 5/23/18 1:15 AM, Artem Blagodarenko wrote: > Hello Riccardo, > > There is “lctl set_param -P” command that set parameter permanently. It needs > to be executed on MGS server (and only MGS must be mounted), but parameter is > applied to given target (or client). From your example: > > lctl set_param -P osc.*.checksums=0 > > Will execute “set_param osc.*.checksums=0” on all targets. > > Best regards, > Artem Blagodarenko. > >> On 23 May 2018, at 00:11, Riccardo Veraldi <[email protected]> >> wrote: >> >> Hello, >> >> how do I set_param in a persistent way on the lsutre clinet side so that >> it has not to be set every time after reboot ? >> >> Not all of these parameters can be set on the MDS, for example the osc.* : >> >> lctl set_param osc.*.checksums=0 >> lctl set_param timeout=600 >> lctl set_param at_min=250 >> lctl set_param at_max=600 >> lctl set_param ldlm.namespaces.*.lru_size=2000 >> lctl set_param osc.*.max_rpcs_in_flight=64 >> lctl set_param osc.*.max_dirty_mb=1024 >> lctl set_param llite.*.max_read_ahead_mb=1024 >> lctl set_param llite.*.max_cached_mb=81920 >> lctl set_param llite.*.max_read_ahead_per_file_mb=1024 >> lctl set_param subsystem_debug=0 >> >> thank you >> >> >> Rick >> >> >> >> _______________________________________________ >> lustre-discuss mailing list >> [email protected] >> http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org _______________________________________________ lustre-discuss mailing list [email protected] http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org
