console-limit

Determines the console server's memory buffer limit and assigns values on a per-domain basis

min-mem

Determines the minimum number of megabytes that is reserved for domain0 (if you enter 0, the value does not change)

dom0 cpus

Determines the number of CPUs in use by domain0 (at least 1 CPU is assigned by default)

enable-dump

Determines that a crash occurs then enables a dump (default is 0)

external-migration-tool

Determines the script or application that handles external device migration (scripts must reside in etc/xen/scripts/external-device-migrate

logfile

Determines the location of the log file (default is /var/log/xend.log)

loglevel

Filters out the log mode values: DEBUG, INFO, WARNING, ERROR, or CRITICAL (default is DEBUG)

network-script

Determines the script that enables the networking environment (scripts must reside in etc/xen/scripts directory)

xend-http-server

Enables the http stream packet management server (default is no)

xend-unix-server

Enables the unix domain socket server (a socket server is a communications endpoint that handles low level network connections and accepts or rejects incoming connections)

xend-relocation-server

Enables the relocation server for cross-machine migrations (default is no)

xend-unix-path

Determines the location where the xend-unix-server command outputs data (default is var/lib/xend/xend-socket)

xend-port

Determines the port that the http management server uses (default is 8000)

xend-relocation-port

Determines the port that the relocation serves uses (default is 8002)

xend-relocation-address

Determines the virtual machine addresses that are allowed for system migration

xend-address

Determines the address that the domain socket server binds to.