These following tools are providing easy adminitration to openMosix clusters.
migrate -send a migrate request to a process
syntax:
migrate [PID] [openMosix_ID]
mon -is a ncurses-based terminal monitor
several informations about the current status are displayed in bar-charts
mosctl -is the openMosix main configuration utility
syntax:
mosctl [stay|nostay]
[stay|nolstay]
[block|noblock]
[quiet|noquiet]
[nomfs|mfs]
[expel|bring]
[gettune|getyard|getdecay]
mosctl whois [openMosix_ID|IP-address|hostname]
mosctl [getload|getspeed|status|isup|getmem|getfree|getutil] [openMosix_ID]
mosctl setyard [Processor-Type|openMosix_ID||this]
mosctl setspeed interger-value
mosctl setdecay interval [slow fast]
more detailed:
stay -no automatic process migration
nostay -automatic process migration (default)
lstay -local processes should stay
nolstay -local processes could migrate
block -block arriving of guest processes
noblock -allow arriving of guest processes
quiet -disable gathering of load-balancing informations
noquiet -enable gathering of load-balancing informations
nomfs -disables MFS
mfs -enables MFS
expel -send away guest processes
bring -bring all migrated processes home
gettune -shows the current overhead parameter
getyard -shows the current used Yardstick
getdecay -shows the current decay parameter
whois -resolves openMosix-ID, ip-addresses and hostnames of the cluster
getload -display the (openMosix-) load
getspeed -shows the (openMosix-) speed
status -displays the current status and configuration
isup -is a node up or down (openMosix kind of ping)
getmem -shows logical free memory
getfree -shows physical free mem
getutil -display utilization
setyard -sets a new Yardstick-value
setspeed -sets a new (openMosix-) speed value
setdecay -sets a new decay-interval
mosrun -run a special configured command on a chooosen node
syntax:
mosrun [-h|openMosix_ID| list_of_openMosix_IDs] command [arguments] |
nomig -runs a command which process(es) won't migrate
runhome -executes a command locked to its home node
runon -runs a command which will be directly migrated and locked to a node
cpujob -tells the openMosix cluster that this is a cpu-bound process
iojob -tells the openMosix cluster that this is a io-bound
process
nodecay -executes a command and tells the cluster not to refresh the load-balancing statistics
slowdecay -executes a command with a slow decay interval for collecting load-balancing statistics
fastdecay -executes a command with a fast decay interval for collecting load-balancing statistics
setpe -manuell node configuration utility
syntax:
setpe -w -f [hpc_map]
setpe -r [-f [hpc_map]]
setpe -off
-w reads the openMosix configuration from a file (typically /etc/hpc.map)
-r writes the current openMosix configuration to a file (typically /etc/hpc.map)
-off turns the current openMosix configuration off
tune openMosix calibration and optimizations utility.
(for further informations review the tune-man page)
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