How to migrate a ZFS pool from RAIDZ1 to RAIDZ2 without external media

The article by M. Lynch discusses the transition from RAIDZ1 to RAIDZ2, a crucial topic for those involved with data storage systems. It begins by explaining the basics of RAID, focusing on the differences between the two types of RAIDZ. RAIDZ1 provides data protection using a single disk for parity, while RAIDZ2 allows for the failure of two disks without data loss, making its implementation more reliable. The author also highlights the benefits of RAIDZ2, such as improved performance in both reading and writing as well as increased data protection. Additionally, the article includes a step-by-step guide on how to migrate from RAIDZ1 to RAIDZ2, making it a helpful resource for system administrators.