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lamclean(1) [osx man page]

LAMCLEAN(1)							   LAM COMMANDS 						       LAMCLEAN(1)

lamclean - Attempt to clean entire LAM system. SYNOPSIS
lamclean [-hv] OPTIONS
-h Print the command help menu. -v Be verbose. DESCRIPTION
The lamclean command attempts to remove all user processes and messages from all nodes. It also de-allocates all user allocated resources and cancels all user process registrations. This happens by invoking many different remote services which have previously been invoked individually by several other commands. These commands should still be used when partial selective removal of user presence is desired. Otherwise, lamclean is a quick and convenient way of starting over after a bad application run without rebooting the system. lamclean takes the following actions on the following system processes on all nodes: kenyad The LAM SIGUDIE signal (terminate) is sent to all user processes. See doom(1). bufferd The entire daemon is reset to its initial state after booting. See sweep(1). filed All user file descriptors are closed. See fctl(1). traced All traces are removed. See lamtrace(1). lamclean will not succeed if any of the nodes are unreachable due to catastrophic failure or maximum buffer overflow with link jamming. If lamclean does not return, use lamwipe(1) and lamboot(1) to restart the multicomputer. SEE ALSO
lamboot(1), lamwipe(1), sweep(1), doom(1), fctl(1), lamtrace(1) LAM 7.1.4 July, 2007 LAMCLEAN(1)

Check Out this Related Man Page

INTROU(1)							   LAM COMMANDS 							 INTROU(1)

introu - introduction to LAM user interface commands LIST OF COMMANDS
Name Appears Description on Page bfctl bfctl.1 Control message buffers (optional). bfstate bfstate.1 Get message buffer status (optional). doom doom.1 Deliver a signal (optional). fctl fctl.1 Control remote file access (optional). fstate fstate.1 Get remote file status (optional). hboot hboot.1 Start LAM on a local node. mpicc mpicc.1 Compile LAM C programs. mpiCC mpicc.1 Compile LAM C++ programs. mpif77 mpif77.1 Compile LAM F77 programs. lamboot lamboot.1 Start LAM. lamclean lamclean.1 Clean all nodes. lamexec lamexec.1 Run non-MPI programs. lamgrow lamgrow.1 Add a node. lamhalt lamhalt.1 Terminate LAM. lamshrink lamshrink.1 Remove a node. lamtrace lamtrace.1 Unload trace data. loadgo loadgo.1 Execute program (optional). mpimsg mpimsg.1 Display MPI buffered messages. mpirun mpirun.1 Run an MPI application. mpitask mpitask.1 Display MPI processes. recon recon.1 Verify LAM setup. state state.1 Get process status (optional). sweep bfctl.1 Clean out message buffers (optional). tkill tkill.1 Terminate local node LAM session. tping tping.1 Echo messages to a node. lamwipe lamwipe.1 Terminate LAM (deprecated; use lamhalt). Node Specification Target nodes are given on the command line. Nodes are generically identified as nlist, where list can be a single node identifier or a list of node identifiers. For example: n1 n1,3,5-10 Additionally, clist can be used to list specific CPUs on a given machine (lamboot(1) is used to specify how many CPUs LAM may use on each node). Node/CPU identifiers are established in the boot schema (see bhost(5)), and can be written in decimal or hexadecimal notation. In addition to explicit node identification, LAM has special mnemonics that refer to special nodes or a group of nodes. h the local node where the command is typed (as in "here") o the origin node where LAM was started with lamboot(1) N all nodes C all CPUs Process Specification LAM processes can be specified in two ways: by process identifier from the underlying operating system or by LAM process index. PIDs are written as plist, where list can be a single PID or a list of PIDs. Process indices are written as ilist, where list can be a single index or a list of indices. LAM 7.1.4 July, 2007 INTROU(1)
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