Procedure for replacing a faulty zfs mirrored disk in Solaris rpool on a SPARC System 1 - Determine which disk is faulty - format output - cfgadm output - iostat -E - zpool status 2 - Remove the disk from the rpool - zpool offline rpool ...
Changing the default Linux 7 kernel to boot from Step 1 - Determine which entries are available from the boot menu Example: # grep '^menuentry' /boot/efi/EFI/redhat/grub.cfg menuentry 'Oracle Linux Server (5.4.17-2011.6.2.el7uek.x86_64 with ...