I'm getting many messages like this:
lctl: error invoking upcall /usr/sbin/lctl set_param ..lbug_on_grant_miscount=1
in the logs.
this was introduced in bb5d81ea95 ("LU-14543 target: prevent overflowing of tgd->tgd_tot_granted")
I don't quite understand why this clearly debugging tunable needs to be persisten in the config logs?
IMO, the better would be to have node-wide non-persisten tunable like osd's track_declare_assert