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Operating Systems AIX IBM TDS/SDS (LDAP) - can I mix endianness among servers in an instance ? Post 303039611 by maraixadm on Thursday 10th of October 2019 11:16:25 AM
Old 10-10-2019
ibm sez yes it's supported. we'll give it a whirl. will update with highlights.

--- Post updated at 11:16 ---

Quote:
Originally Posted by zxmaus
well endianness only matters for binary data not text data. If I understand you correctly you want to transfer text data only so that should work fine. If you however need something runnable you would need to run it through a converter and recompile.
ibm suppt said that replication does the same ops on the recipient that were done on the originator to effect the change in the first place. which says to me all the data sent in replication must be text, I'll check that with tcpdump when I get time. I suspect it falls down on binary blobs like image data/video saved in attributes, but we don't have any of those so we don't care. Passwords might be fun too but OTOH those have their own handling including cryptosync, so I expect they're correct.

In general, my reading (is it correct ?) of this is that it's about correct layer6 implementation, and Sun took care of that over 30 years ago with XDR for RPC, later standardized into the notion of network byte order.
Editorial Comment:
so WTF isn't this implemented correctly like everywhere? I know, development resources. IBM was always careful about this up until the bugly edges where they went into the weeds sometimes, but were responsive when bugs were found. Heard from a colleague that another (newer) non-IBM package didn't replicate right cause their flaming binary index wasn't handled right across platforms. Seriously ?

that was cool, I made my own editorial tags and whaddya know, someone had implemented them. who knew... Smilie
 

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SETUP-DS.PL(8)						      System Manager's Manual						    SETUP-DS.PL(8)

NAME
setup-ds.pl - Set up an instance of Directory Server SYNOPSIS
setup-ds.pl [--options] -- [args] DESCRIPTION
Set up a Directory Server instance. Creates the configuration files for an instance of Directory Server based on a few parameters like the hostname, port number, and directory manager information. Can be run in interactive mode with different levels of verbosity, or in silent mode with parameters supplied in a .inf format file or on the command line. OPTIONS
A summary of options is included below: --help This message --version Print the version and exit --debug Turn on debugging --silent Use silent setup - no user input --file=name Use the file 'name' in .inf format to supply the default answers --keepcache Do not delete the temporary .inf file generated by this program --logfile Log setup messages to this file - otherwise, a temp file will be used --update Update existing installations - add/update schema files, add/change configuration, add new instance scripts, etc. You must run set- up-ds.pl -u after upgrading your packages. You will usually have to restart your servers in order for all of the changes to take effect (e.g. adding/changing plug-in configuration), so schedule this when you can afford a little downtime. --continue (Update only) Keep going even if errors occur. You will usually not need to use this option unless your installation is broken and you need to force it to update in order to fix it. For all options, you can also use the short name e.g. -h, -d, etc. For the -d argument, specifying it more than once will increase the debug level e.g. -ddddd args: You can supply default .inf data in this format: section.param=value e.g. General.FullMachineName=foo.example.com or "slapd.Suffix=dc=example, dc=com" Values passed in this manner will override values in an .inf file given with the -f argument. UPDATES
The update process (setup-ds.pl -u) can work in one of two modes: Online: Configuration changes are made to the running directory servers using LDAP. The operations must be performed as an administrative user. You must provide the name and password, for each instance if there is more than one instance of directory server. Some changes (e.g. plug-ins) may require a directory server restart to take effect. The update script will notify you if a restart is required. Offline: The changes are made to the server configuration files. The servers MUST FIRST BE SHUTDOWN BY YOU. The script will not shutdown the servers for you. You MUST shutdown the servers in order to use this mode. A username and password are not required to use Offline mode. If the servers are not shutdown, CHANGES WILL BE LOST. To summarize: Online - servers remain running - you must provide admin name and password for each server - servers may need to be restarted Offline - servers must be shutdown - no username or password required AUTHOR
setup-ds.pl was written by the 389 Project. REPORTING BUGS
Report bugs to http://bugzilla.redhat.com. COPYRIGHT
Copyright (C) 2008 Red Hat, Inc. This manual page was written by Michele Baldessari <michele@pupazzo.org>, for the Debian project (but may be used by others). This is free software. You may redistribute copies of it under the terms of the Directory Server license found in the LICENSE file of this software distribution. This license is essentially the GNU General Public License version 2 with an exception for plug-in distribution. May 18, 2008 SETUP-DS.PL(8)
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