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sndrsyncd(1M)		System Administration Commands		 sndrsyncd(1M)

NAME
       sndrsyncd  -  Availability Suite Remote Mirror update resynchronization
       daemon

SYNOPSIS
       /usr/lib/sndrsyncd

DESCRIPTION
       The sndrsyncd daemon automates update resynchronization after a network
       or machine failure and invokes Point-in-Time Copy copies when needed to
       protect the data volumes being updated during a resynchronization.

       The daemon is notified by the kernel when a network link being used  by
       Remote Mirror goes down and invokes the sndradm(1M) command with the -u
       option to resynchronize all Remote  Mirror  sets	 which	have  autosync
       switched on and are using the network link. See sndradm(1M) for details
       on how to configure autosync for a Remote Mirror set.

       The daemon is also notified when any  Remote  Mirror  resynchronization
       starts  or completes. The daemon takes Point-in-Time Copy snapshots, if
       configured in the Availability Suite configuration file. On a secondary
       server,	the daemon checks if a file system is currently mounted on the
       secondary volume and informs the kernel not to allow  the  synchroniza‐
       tion to start if the file system is currently mounted.

EXIT STATUS
       0	    Daemon started successfully.

       >0	    Daemon failed to start.

FILES
       /lib/svc/method/svc-rdcsyncd

	   Shell script for starting sndrsyncd.

       /lib/svc/method/svc-rdc

	   Shell script for stopping sndrsyncd.

ATTRIBUTES
       See attributes(5) for descriptions of the following attributes:

       ┌─────────────────────────────┬─────────────────────────────┐
       │      ATTRIBUTE TYPE	     │	    ATTRIBUTE VALUE	   │
       ├─────────────────────────────┼─────────────────────────────┤
       │Availability		     │storage/avs/remote-mirror,   │
       │			     │storage/avs/remote-mirror	   │
       ├─────────────────────────────┼─────────────────────────────┤
       │Interface Stability	     │Committed			   │
       └─────────────────────────────┴─────────────────────────────┘

SEE ALSO
       iiadm(1M), sndradm(1M), sndrd(1M),  svcadm(1M),	ds.log(4),  rdc.cf(4),
       attributes(5)

NOTES
       Do not manually stop the sndrsyncd deamon. If you need to manually stop
       sndrsyncd perform these steps. This stops both the sndrd and  sndrsyncd
       daemons.

	 # svcadm disable svc:/system/nws_rdc

	 # svcadm disable svc:/system/nws_rdcsyncd

       Do  not	manually start or restart the sndrsyncd deamon. If you need to
       manually start sndrsyncd perform these  steps.  This  starts  both  the
       sndrd and sndrsyncd daemons.

	 # svcadm enable svc:/system/nws_rdc

	 # svcadm enable svc:/system/nws_rdcsyncd

       See svcadm(1M) for additional information.

SunOS 5.11			  2 Oct 2007			 sndrsyncd(1M)

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