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ganeti-noded

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ganeti-noded: Ganeti node daemon

NAME

ganeti-noded - Ganeti node daemon

SYNOPSIS

ganeti-noded [-f] [-d]

DESCRIPTION

The ganeti-noded is the daemon which is responsible for the node functions in the Ganeti system. By default, in order to be able to support features such as node powercycling even on systems with a very damaged root disk, ganeti- noded locks itself in RAM using mlockall(2). You can disable this feature by passing in the --no-mlock to the daemon. For testing purposes, you can give the -f option and the program won't detach from the running terminal. Debug-level message can be activated by giving the -d option. Logging to syslog, rather than its own log file, can be enabled by passing in the --syslog option. The ganeti-noded daemon listens to port 1811 TCP, on all interfaces, by default. This can be overridden by an entry the services database (usually /etc/services) or by passing the -p option. The -b option can be used to specify the address to bind to (defaults to 0.0.0.0). Ganeti noded communication is protected via SSL, with a key generated at cluster init time. This can be disabled with the --no-ssl option, or a different SSL key and certificate can be specified using the -K and -C options. ROLE The role of the node daemon is to do almost all the actions that change the state of the node. Things like creating disks for instances, activating disks, starting/stopping instance and so on are done via the node daemon. Also, in some cases the startup/shutdown of the master daemon are done via the node daemon, and the cluster IP address is also added/removed to the master node via it. If the node daemon is stopped, the instances are not affected, but the master won't be able to talk to that node. COMMUNICATION PROTOCOL Currently the master-node RPC is done using a simple RPC protocol built using JSON over HTTP(S).

REPORTING BUGS

Report bugs to project website (//code.google.com/p/ganeti/) or contact the developers using the Ganeti mailing list (ganeti@googlegroups.com).
SEE ALSO
Ganeti overview and specifications: ganeti(7) (general overview), ganeti-os-interface(7) (guest OS definitions). Ganeti commands: gnt-cluster(8) (cluster-wide commands), gnt-job(8) (job-related commands), gnt-node(8) (node-related commands), gnt- instance(8) (instance commands), gnt-os(8) (guest OS commands), gnt- group(8) (node group commands), gnt-backup(8) (instance import/export commands), gnt-debug(8) (debug commands). Ganeti daemons: ganeti-watcher(8) (automatic instance restarter), ganeti-cleaner(8) (job queue cleaner), ganeti-noded(8) (node daemon), ganeti-masterd(8) (master daemon), ganeti-rapi(8) (remote API daemon).
COPYRIGHT
Copyright (C) 2006, 2007, 2008, 2009, 2010 Google Inc. Permission is granted to copy, distribute and/or modify under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. On Debian systems, the complete text of the GNU General Public License can be found in /usr/share/common-licenses/GPL. GANETI-NODED(8)
 
 
 

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