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Full Discussion: Replication using NFS.
Operating Systems SCO Replication using NFS. Post 302571661 by dextergenious on Tuesday 8th of November 2011 02:30:12 AM
Old 11-08-2011
Replication using NFS.

Hi all,


I am going to implement a script which will use NFS to replicate data between two SCO unix servers. It will take files with mtime -1 and copy the data periodically .In this regard my questions are :

Is this approach good and reliable enough with respect to loading servers, accuracy and redundancy.

Also is there any way to detect the changed file as it changes without using a long search with find's mtime, as this searches the whole bulk of data each time it seraches for modified files less than 1 day old. If I have 100gb of data (increasing with hours) , mtime command have more data each time to search and will become slow with time.


Thanks in advance,

Dexter
 

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libssh2_scp_send64(3)						  libssh2 manual					     libssh2_scp_send64(3)

NAME
libssh2_scp_send64 - Send a file via SCP SYNOPSIS
#include <libssh2.h> LIBSSH2_CHANNEL * libssh2_scp_send64(LIBSSH2_SESSION *session, const char *path, int mode, libssh2_uint64_t size, time_t mtime, time_t atime); DESCRIPTION
session - Session instance as returned by libssh2_session_init_ex(3) path - Full path and filename of file to transfer to. That is the remote file name. mode - File access mode to create file with size - Size of file being transmitted (Must be known ahead of time). Note that this needs to be passed on as variable type lib- ssh2_uint64_t. This type is 64 bit on modern operating systems and compilers. mtime - mtime to assign to file being created atime - atime to assign to file being created (Set this and mtime to zero to instruct remote host to use current time). Send a file to the remote host via SCP. RETURN VALUE
Pointer to a newly allocated LIBSSH2_CHANNEL instance, or NULL on errors. ERRORS
LIBSSH2_ERROR_ALLOC - An internal memory allocation call failed. LIBSSH2_ERROR_SOCKET_SEND - Unable to send data on socket. LIBSSH2_ERROR_SCP_PROTOCOL - LIBSSH2_ERROR_EAGAIN - Marked for non-blocking I/O but the call would block. AVAILABILITY
This function was added in libssh2 1.2.6 and is meant to replace the former libssh2_scp_send_ex(3) function. SEE ALSO
libssh2_channel_open_ex(3) libssh2 1.2.6 17 Apr 2010 libssh2_scp_send64(3)
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