When I destroyed the zpools when I was done with zstd compression testing, these errors appeared in /var/log/messages: Oct 4 12:21:24 r730-01 kernel: GEOM: nda1: the primary GPT table is corrupt or invalid. Oct 4 12:21:24 r730-01 kernel: GEOM: nda1: using the secondary instead -- recovery strongly advised. Oct 4 12:21:24 r730-01 kernel: GEOM: nda2: the primary GPT table is corrupt or invalid. Oct 4 12:21:24 r730-01 kernel: GEOM: nda2: using the secondary […]