sync_client man page on Oracle

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       sync_client - client side of the synchronization (replication) engine

       sync_client [ -v ] [ -l ] [ -z ] [ -C config-file ] [ -S servername ]
		   [ -f input-file ] [ -F shutdown_file ] [ -w wait_interval ]
		   [ -t timeout ] [ -d delay ] [ -r ] [ -u ] [ -m ]
		   [ -s ] objects...

       Sync_client  is	the client side of the replication system.  It runs on
       the client (master) system and connects to the target (replica)	system
       and  generates  an  appropriate sequence of transactions to synchronize
       the replica system with the master system.

       -v     Verbose mode.

       -l     Verbose logging mode.

       -o     Only attempt to connect to the backend server once  rather  than
	      waiting up to 1000 seconds before giving up.

       -z     Enable  compress.	  If you set 'sync_compress' in the imapd.conf
	      or pass -z to sync_client, the replication protocol will attempt
	      to enable deflate compression on the connection.

       -C config-file
	      Read configuration options from config-file.

       -S servername
	      Tells  sync_client  which server to communicate with.  Overrides
	      the sync_host configuration option.

       -f input-file
	      In mailbox or user replication mode: provides list of  users  or
	      mailboxes	 to replicate.	In rolling replication mode, specifies
	      an alternate log file (sync_client will  exit  after  processing
	      the log file).

       -F shutdown-file
	      Rolling  replication  checks  for	 this  file at the end of each
	      replication cycle and shuts down	if  it	is  present.  Used  to
	      request  nice clean shutdown at first convenient point. The file
	      in  question  is	removed	 on  shutdown.	 Overrides  sync_shut‐
	      down_file option in imapd.conf

       -w interval
	      Wait  this  long	before starting. Typically used so that we can
	      attach a debugger to one end of the replication  system  or  the

       -t timeout
	      Timeout  for  single  replication	 run  in  rolling replication.
	      sync_client will negotiate a restart after  this	many  seconds.
	      Default: 600 seconds

       -d delay
	      Minimum  delay  between  replication runs in rolling replication
	      mode.  Larger values provide better efficiency  as  transactions
	      can  be  merged.	Smaller values mean that the replica system is
	      more up to date and that you don't end up with large  blocks  of
	      replication transactions as a single group. Default: 3 seconds.

       -r     Rolling  (repeat)	 replication  mode.  Pick up a list of actions
	      recorded by the lmtpd(8), imapd(8), popd(8) and nntpd(8) daemons
	      from   the   file	 specified  in	sync_log_file.	 Repeat	 until
	      sync_shutdwon_file appears.

       -n     Use the named channel for rolling replication mode.  If multiple
	      channels	are  specified	in  sync_log_channels  then use one of
	      them.  This option is probably best combined with -S to  connect
	      to a different server with each channel.

       -u     User  mode.  Remaining arguments are list of users who should be

       -m     Mailbox mode.  Remaining arguments are list of  mailboxes	 which
	      should be replicated.

       -s     Sieve  mode.   Remaining arguments are list of users whose Sieve
	      files should be replicated.  Principally used for debugging pur‐
	      poses: not exposed to sync_client(8).



       David Carter (, Ken Murchison (

CMU				 Project Cyrus			SYNC_CLIENT(8)

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