HOW TO: Shutdown the database(s)

This post is the first in a series of posts about how to administer Exasol. We’re going to be covering how to Shutdown databases, Shutdown storage, shutdown the nodes, restart the licence server, install CentOS patches and restart the whole lot. For all of the HOW TO: posts regarding administration, you will need access to ExaOperation.

Firstly, a quick disclaimer: This set of posts is based around 5.0.17, and so should be used in that context. If you are unsure about what you are doing, seek professional help. Do some of these things wrong, and you could jeopardise your data.

Ok, so without further ado…

In general, you should always shutdown the database first, before other shutdowns such as the storage etc. Obviously in the case of an unplanned system shutdown, you don’t have much choice.

So first log into ExaOperation, then head over to the EXASolution tab.

In my case, I have two databases running. I can tell that they are running because of the Status, and also that they are Online and behaving well – with the green light. Databases can be Running and Stopped separately. However, if you intend to perform further maintenance, like Shutting down all nodes or Stopping the Storage, you should stop them all.Inkeddatabasesrunning_LI

To Shutdown the databases, select the tick box next to the databases and then select Shutdown.

You can then manually refresh this page. It may take up to a minute to stop the databases.

When they are stopped the page looks like this:


We can tell that the databases are stopped, because they have a Status of “Created”, and the light indicating that the database is Online has gone out/grey.

So that’s it, your database has stopped.

The next post is then How to Shutdown the Storage.

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