Analyzing and Repairing Ext2Ext3

If you happen to encounter problems on your Ext2 Ext3 file system, the file system offers some commands that can help you to analyze and repair the file system, as described in this section. e2fsck is a file system check utility that works on both Ext2 and Ext3. If you think something might be wrong with your file system, run e2fsck. You should make sure, though, that the file system on which you run it is not currently mounted. Because this is hard to accomplish if you want to run it on your...

Backing Up the Cluster Configuration

Now that you have an operational open source SAN, it is a good idea to make a backup of the configuration that you have so far. You can do this by writing the results of the cibadmin -0 command to a file, which you will learn how to do in this section. You'll also learn how, based on the backup, you can easily remove a resource from the cluster and add it again. In my daily practice as a high-availability consultant, this has saved my skin more than once after a cluster configuration has...