kmorph.conf.example

# kmorph configuration. Install as /etc/kmorph/kmorph.conf on the
# predecessor and at the same path in the successor initramfs; kmorph
# and kmorphd read the same file.
#
# kernel, cpus and memory are required to arm. Every other key is
# optional and shown at its default.

# --- Successor (predecessor side, read by kmorph) ---

# Kernel image: an ELF vmlinux or a bzImage.
kernel  = /boot/vmlinuz

# Initramfs for the successor. Default: the image 'kmorph init' writes.
#initrd = /var/lib/kmorph/successor.img

# CPUs for the successor, as physical (APIC) ids, e.g. 1 or 12-15,20.
cpus    = 1

# Memory for the successor, e.g. 128MB or 4GB.
memory  = 128MB

# Kernel command line for the successor.
#cmdline = earlyprintk=serial,ttyS0,115200 keep_bootcon

# Devices handed to the successor, comma separated: PCI addresses or
# the names sysfs knows them by (a network interface, a block device,
# a framebuffer, a USB bus).
#devices = enp9s0, nvme1n1

# Instance name in /sys/fs/multikernel/instances.
#name = successor

# Every CPU on the machine. Set only on a machine without ACPI.
#machine_cpus = 0-3

# Kernel modules the distro image builders add to the successor image,
# comma separated: the vsock transport when it is a module, drivers for
# devices handed to the successor. Ignored by the kmorph init image.
#modules = mk_transport

# --- Detection and takeover (successor side, read by kmorphd) ---

# How often the predecessor is probed.
#probe_interval = 100ms

# Consecutive timed-out probes before the predecessor is declared dead.
#probe_timeouts = 5

# Retries of a fence that could not park every CPU.
#fence_retries = 3

# File to receive the predecessor's memory as a vmcore before it is
# reclaimed. A FIFO works. Unset: reclaim at once.
#dump = /var/crash/predecessor.vmcore

# Serial line the successor takes over after the crash.
#console = ttyS0

# Speed of that line.
#console_baud = 115200

# Program the getty runs instead of login, e.g. /bin/sh for an image
# without accounts.
#console_login = /bin/sh