IBM TDS/SDS (LDAP) - can I mix endianness among servers in an instance ? Post: 303039487

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Operating Systems AIX IBM TDS/SDS (LDAP) - can I mix endianness among servers in an instance ? Post 303039487 by maraixadm on Monday 7th of October 2019 06:07:12 PM

10-07-2019

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IBM TDS/SDS (LDAP) - can I mix endianness among servers in an instance ?

I'd like to add some x/linux-based servers to my current AIX-based TDS/SDS server community. Reading the Fine Install Guide (rtfig ?) I believe this may be covered by the section "Upgrade an instance of a previous version to a different computer" i.e. I'm going to install latest/greatest SDS on a new server image, then bring in the instance data from one of my current servers.

The chart in that section of the Install Guide indicates this is only possible among systems with the same endianness.

Is it possible to have Intel & power servers cooperating on the same directory ? If so, can someone pls point me to doc on how to get there ?

Much appreciated !

[edit:] more reading. I see in the section "creating a copy of an existing instance" the same requirement that only data from a source with the same endianness as the target can be used.

So: can I create an instance copy without data, then (quiesce replication and suspend my servers and) dump the directory to an LDIF, and load the new instance from that instead of from a backup ? Then ensuring that replication is prepared on the new copy and then spinning up the whole pile ? The crux being that by importing the data as text rather than binary, I avoid the fact that handling of endianness/network byte order is missing from the deploy tools ?

Same question as above though, crudely, does replication handle network byte order correctly and swap data nice between different endiannesses ?

Last edited by maraixadm; 10-08-2019 at 12:28 AM..

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LEARN ABOUT SUNOS

wsreg_query_set_instance

wsreg_query_set_instance(3WSREG)		    Product Install Registry Library Functions			  wsreg_query_set_instance(3WSREG)

NAME

       wsreg_query_set_instance, wsreg_query_get_instance - set or get the instance of a query

SYNOPSIS

       cc [flag ...]  file ...-lwsreg [library ...]
       #include <wsreg.h>

	int wsreg_query_set_instance(Wsreg_query *query, int instance);

       int wsreg_query_get_instance(Wsreg_query *comp);

DESCRIPTION

       The wsreg_query_set_instance() function sets the instance number specified by instance in the query specified by query.

       The wsreg_query_get_instance() function retrieves the instance from the query specified by query.

RETURN VALUES

       The wsreg_query_set_instance() function returns a non-zero value if the instance was set correctly; otherwise 0 is returned.

       The  wsreg_query_get_instance() function returns the instance number from the specified query.  It returns 0 if the instance number has not
       been set.

USAGE

       The query identifies fields used to search for a specific component in the product install registry.  By specifying the instance, the  com-
       ponent search is narrowed to all components in the product install registry that have the specified instance.

       Other fields can be specified in the same query to further narrow down the search.

ATTRIBUTES

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

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |MT-Level		     |Unsafe			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       wsreg_get(3WSREG), wsreg_initialize(3WSREG), wsreg_query_create(3WSREG), attributes(5)

SunOS 5.10							    22 Sep 2000 				  wsreg_query_set_instance(3WSREG)