sndr(4) [opensolaris man page]
sndr(4) File Formats sndr(4) NAME
sndr - SNDR parameter values SYNOPSIS
/etc/default/sndr DESCRIPTION
The sndr file resides in /etc/default and provides startup parameters for the sndrd(1M) and sndrsyncd(1M) daemons. The sndr file format is ASCII and comment lines begin with the crosshatch (#) character. Parameters consist of a keyword followed by an equal (=) sign followed by the parameter value of the form: keyword=value The following parameters are currently supported in the sndr file: SNDR_THREADS=num Sets the maximum number of connections allowed to the server over connection-oriented transports. By default, the number of connec- tions is 16. SNDR_LISTEN_BACKLOG=num Sets connection queue length for the RDC TCP over a connection-oriented transport. The default value is 10 entries. SNDR_TRANSPORT=string Sets the transport used for the RDC connection. If IPv6 is installed, the default value is "/dev/tcp" or "/dev/tcp6." ATTRIBUTES
See attributes(5) for a description of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Architecture |x86 | +-----------------------------+-----------------------------+ |Availability |SUNWrdcu | +-----------------------------+-----------------------------+ |Interface Stability |Committed | +-----------------------------+-----------------------------+ SEE ALSO
sndrd(1M), sndrsyncd(1M) SunOS 5.11 08 Jun 2007 sndr(4)
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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 synchronization 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 |SUNWrdcr, SUNWrdcu | +-----------------------------+-----------------------------+ |Interface Stability |Evolving | +-----------------------------+-----------------------------+ 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)