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Full Discussion: rsync: writefd_unbuffered failed
Homework and Emergencies Emergency UNIX and Linux Support rsync: writefd_unbuffered failed Post 302489543 by DGPickett on Thursday 20th of January 2011 05:05:36 PM
Old 01-20-2011
I guess the ssh guys forgot to make an ssync like scp for rcp and ssh for rsh. I have found ssh tunnels a bit troublesome in some cases, yet solid in others. Running out of memory may be shortage of swap for VM, as almost nobody uses RAM directly any more.

I make my mirrors with: find * -newer mark_file -type f|cpio make archive|some compressor|ssh or rsh "matching uncompressor|cpio unpack update only make dirs". It spreads the load out and gives me choice of compressors to match network/CPU speed. I can even split the load up with "find ...|xdemux n '...' ", my dumb mux tool, into N parallel streams. I can add nice to the compressors if there are residents that might need CPU on the sending end. Just create a new mark file and sleep 1 second before starting each run, and when done, make the new mark the next old mark file.
 

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LEARN ABOUT DEBIAN

ocf_heartbeat_rsyncd

OCF_HEARTBEAT_RSYNCD(7) 					OCF resource agents					   OCF_HEARTBEAT_RSYNCD(7)

NAME

       ocf_heartbeat_rsyncd - Manages an rsync daemon

SYNOPSIS

       rsyncd [start | stop | monitor | meta-data | validate-all]

DESCRIPTION

       This script manages rsync daemon

SUPPORTED PARAMETERS

       binpath
	   The rsync binary path. For example, "/usr/bin/rsync" (optional, string, default rsync)

       conffile
	   The rsync daemon configuration file name with full path. For example, "/etc/rsyncd.conf" (optional, string, default /etc/rsyncd.conf)

       bwlimit
	   This option allows you to specify a maximum transfer rate in kilobytes per second. This option is most effective when using rsync with
	   large files (several megabytes and up). Due to the nature of rsync transfers, blocks of data are sent, then if rsync determines the
	   transfer was too fast, it will wait before sending the next data block. The result is an average transfer rate equaling the specified
	   limit. A value of zero specifies no limit.  (optional, string, no default)

SUPPORTED ACTIONS

       This resource agent supports the following actions (operations):

       start
	   Starts the resource. Suggested minimum timeout: 20s.

       stop
	   Stops the resource. Suggested minimum timeout: 20s.

       monitor
	   Performs a detailed status check. Suggested minimum timeout: 20s. Suggested interval: 60s.

       validate-all
	   Performs a validation of the resource configuration. Suggested minimum timeout: 20s.

       meta-data
	   Retrieves resource agent metadata (internal use only). Suggested minimum timeout: 5s.

EXAMPLE

       The following is an example configuration for a rsyncd resource using the crm(8) shell:

	   primitive p_rsyncd ocf:heartbeat:rsyncd 
	     op monitor depth="0" timeout="20s" interval="60s"

SEE ALSO

       http://www.linux-ha.org/wiki/rsyncd_(resource_agent)

AUTHOR

       Linux-HA contributors (see the resource agent source for information about individual authors)

resource-agents UNKNOWN 					    03/09/2014						   OCF_HEARTBEAT_RSYNCD(7)
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