I encountered an intriguing issue recently after replacing my motherboard. Some block devices underwent a change in their order, causing /dev/sda to appear as /dev/sdy due to a modification in the PCI-e enumeration. This change, though seemingly insignificant, led to an unexpected consequence. Since the disk was subject to a specific mdadm filter, its altered…
ZFS version 2.1.11 is supposed to work correctly with Oracle UEK 7. However, on update (and later – a reboot) – it broke. The driver cannot build using dkms, and the error message is something like this: If you look into /boot/config-`uname -r` output, and look for CONFIG_MODULES string, you will indeed find that it…
Warning: This is not the recommended method if you’re not sure you know what you’re doing. Linux Initial Ram Disk (initrd) is a mechanism to perform disk-independent actions before attempting to mount the ‘/’ disk. These actions usually include loading disk drivers, setting up LVM or software RAID, etc. The reason these actions are performed within initrd…
