Hi Arwen
after reconnecting the drives, Ive got different results:
admin@truenas[~]$ sudo zdb -l /dev/sdb1 | grep txg: | grep -v create_txg:
txg: 6606762
admin@truenas[~]$ sudo zdb -l /dev/sdc2 | grep txg: | grep -v create_txg:
txg: 6606762
admin@truenas[~]$ sudo zdb -l /dev/sdd2 | grep txg: | grep -v create_txg:
txg: 6590607
admin@truenas[~]$ sudo zdb -l /dev/sde2 | grep txg: | grep -v create_txg:
txg: 6606762
admin@truenas[~]$ sudo zdb -l /dev/sda3 | grep labels
labels = 0 1 2 3
admin@truenas[~]$ sudo zdb -l /dev/sdb1 | grep labels
labels = 0 1 2 3
admin@truenas[~]$ sudo zdb -l /dev/sdc2 | grep labels
labels = 0 1 2 3
admin@truenas[~]$ sudo zdb -l /dev/sdd2 | grep labels
labels = 0 1 2 3
admin@truenas[~]$ sudo zdb -l /dev/sde2 | grep labels
labels = 0 1 2 3