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builds a directory to hold a new stone
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stone creator util ================== The gemstone OO database can work with multiple stones/images. This little utility helps creating new stones from a standard gemstone installation (22.214.171.124 at the time of writing). create a new stone ------------------------- 1. If you installed gemstone the usual way you ended up with gemstone being installed in /opt/gemstone/product In this case you can skip this step. If you installed your gemstone somewhere else than you need to edit the file gemstone.conf and enter the path of your installation 2. Invoke the helper script to create a stone. If you want to install a new stone with the name "saphir" in a directory "/opt/application/saphir" and you want a virgin gemstone copied in place than you need to invoke ./create-stone.sh -n saphir -d /opt/application/saphir -f To see all available commandline options just invoke ./create-stone.sh add the start/stop script to the system --------------------------------------- A system V start/stop script is created in the stone directory that can start/stop this single stone instance. The script has the same name as the stone. The example choice above "saphir" would have led to a script called "saphir" in the stone directory. ./saphir start|stop starts or stops the stone instance. You can link this script into the system start script directory ln -s /opt/application/saphir/saphir /etc/init.d For debian based systems you can do update-rc.d saphir defaults This will add the script to the normal runlevels so that it will be started if the machine starts invoking a local script ----------------------- For maintenance is often desirable to run a script against the stone. For this you use the runTopazScript.sh script. Just create a smalltalk script with the form run <your smalltalk script> % You can run this script by doing sh bin/runTopazScript.sh myscript.st The runTopazScript script is just a tiny wrapper around a topaz invocation. It reads an prepends the login information to you script and pipes it to topaz. If you changed the password for the DataCurator user in gemstone then you need to change that in the login.st file using the environment provided ------------------------------ If you like to have all of the configured variables active in your current working shell (e.g. to invoke commands like 'gslist -v') you can simply type . ./env when you are in the stone directory Questions, comments, feedback go to firstname.lastname@example.org maintaining tranlog files ------------------------- Changes commited to gemstone are added to a transaction log. The files are by default in the same directory as the extent0.dbf file and have names like "tranlogXX.dbf" where XX is a number that increases whenever a new file is written. The extent has information about what tranlog file it needs in order to be able to reconstruct data after an unintentional shutdown. Over time new tranlog files are created and old one become obsolete. This wastes disk space without having any benfit. In this distribution a script is included that can be used to delete old tranlog files. It detects the last needed tranlog and deletes any older files that are obsolete. You can invoke it with ./bin/delete-old-tranlogs.sh -d [directory] -g [path to gemstone] -r Just invoke the script without any arguments and you get the help printed. You can play with the script. Unless you specify the -r (remove) argument the script only shows what it would do. Nothing is done really. I added enough checks for a lot of conditions to be sure the script does not do any unintentional delete of important data. Although I took care you should be very careful when invoking scripts that delete necessary data.