12-07-2019
File Management: Removing of files from Server2 IF the same file is removed from Server1.
Hi Folks,
I have a requirement of file management on different servers.
Source Server is SERVER-A.
Two servers will fetch files from SERVER-A: SERVER1 and SERVER2.
4th SERVER is SERVER-B, It will fetch files from SERVER1. If SERVER1 goes DOWN, SERVER-B will fetch pending files from SERVER2(no duplicity).
Suppose, Server1 has 4 files file1/2/3/4 (It fetched it from SERVER-A) and SERVER2 also 4 files file1/2/3/4(it also fetched it from SERVER-A). There is no SYNC between SERVER1 and 2.
Now SERVER-B will fetch file1/2 from SERVER1 and it will delete same. So SERVER1 has now file3/4. SERVER1 goes down.
So SERVER-B will start picking file from SERVER2(SERVERB will be manually pointed to SERVER2), but it should only pick file3/4 as file1/2 were already picked.
I need a mechanism by using which - If SERVER-B deletes a file from SERVER1, then it also get deleted from SERVER2 - NOTE SERVER-B is not capable to do this, so this has to be done from SERVER1 end. If file1/2 is removed from SERVER1, then it should delete it from SERVER2.
Please let me know if more clarification is required.
I think, RSYNC is one of the way, but requirement is limited.
Thanks to all in advance.
Raza Ali
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LEARN ABOUT DEBIAN
gearman_client_add_server
GEARMAN_CLIENT_ADD_SERVER(3) Gearmand GEARMAN_CLIENT_ADD_SERVER(3)
NAME
gearman_client_add_server - Gearmand Documentation, http://gearman.info/
SYNOPSIS
#include <libgearman/gearman.h>
gearman_return_t gearman_client_add_server(gearman_client_st *client, const char *host, in_port_t port)
gearman_return_t gearman_client_add_servers(gearman_client_st *client, const char *servers)
void gearman_client_remove_servers(gearman_client_st *client)
DESCRIPTION
gearman_client_add_server() will add an additional gearmand server to the list of servers that the client will take work from.
gearman_client_remove_servers() will remove all servers from the gearman_client_st.
gearman_client_add_servers() takes a list of gearmand servers that will be parsed to provide servers for the client. The format for this is
SERVER[:PORT][,SERVER[:PORT]]...
Examples of this are::
10.0.0.1,10.0.0.2,10.0.0.3 localhost234,jobserver2.domain.com:7003,10.0.0.3
RETURN VALUE
gearman_client_add_server() and gearman_client_remove_servers() return gearman_return_t.
HOME
To find out more information please check: http://gearman.info/
See also
gearmand(8) libgearman(3) gearman_client_st
AUTHOR
Data Differential http://www.datadifferential.com/
COPYRIGHT
2012, Data Differential, http://www.datadifferential.com/
0.33 May 04, 2012 GEARMAN_CLIENT_ADD_SERVER(3)