Backup and Restore issue

I got a question about the backup and restore process for the Enterprise Controller:

"I upgraded my Enterprise Controller from 12.1.3 to 12.1.4 a while back, but I haven't run the 'ecadm backup' command since then. So the only backups I have are from before the upgrade and the automatic one made during the upgrade.

"Well, we just had a crash on our EC system. However, when I try to restore from either of those two backups, it fails, and says that it's looking for the 12.1.3 packages. How do I get this system back up?"

So, in order to restore from a backup file, the Enterprise Controller version needs to be identical. So, the backup from before the upgrade expects 12.1.3, and so does the backup made during the upgrade. (The automatic backup is only made so that, if the upgrade fails, we can roll back to the prior version.)

In this case, you'd have to uninstall 12.1.4, then reinstall 12.1.3, and finally restore from your backup file. The Backup and Recovery chapter explains this process and the requirements.

It's a good general practice to do regular backups so that a system failure doesn't cost you much data, and we also recommend doing a backup after completing an upgrade.

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