With Solaris 11, Oracle introduces the new zpool split command to split the ZFS pool (SPARC / x86 ). This comes in handy to increase the size of the rpool. Below are the high level steps involved : Steps Involved attach a mirror device to the rpool reboot off the mirror (to verify everything works). split the original disk from the pool. set the "autoexpand" property of the rpool Detailed procedure 1. Assuming that your initial rpool has the disk c0t0d0s0 and that you have a new … [Read more...] about How To Increase rpool Size On Solaris 11 (Requires a Reboot)