I remember these, zpool history provides a nice record here. First one failed within a year! zpool history tank | grep "zpool create\|replace" 2013-03-26.

I remember these, zpool history provides a nice record here. First one failed within a year! zpool history tank | grep "zpool create\|replace" 2013-03-26.23:27:40 zpool create -fo cachefile=/var/tmp/zpool.cache -o altroot=/mnt tank raidz2 gpt/disk0.nop gpt/disk1.nop gpt/disk2.nop gpt/disk3.nop 2014-01-18.19:00:41 zpool replace tank /dev/gpt/disk3 2014-01-19.09:59:45 zpool replace tank /dev/gpt/disk1 2014-11-30.14:44:59 zpool replace tank /dev/gpt/disk2 2015-09-13.21:16:11 zpool replace tank /dev/gpt/disk1 2016-01-03.15:37:40 zpool replace tank gpt/disk0