Differences
This shows you the differences between two versions of the page.
Both sides previous revision Previous revision Next revision | Previous revision Next revision Both sides next revision | ||
tutorial:adm:server_os_updates [2019/12/17 07:50] fiserp [Solving issues] |
tutorial:adm:server_os_updates [2019/12/17 07:53] fiserp [Solving issues] |
||
---|---|---|---|
Line 75: | Line 75: | ||
< | < | ||
- | ==== Solving | + | ==== Resolving |
For maintenance actions, it is necessary to: | For maintenance actions, it is necessary to: | ||
* Know how long each task will take and to measure the task duration when actually performing them. | * Know how long each task will take and to measure the task duration when actually performing them. | ||
Line 86: | Line 86: | ||
* When you have no **ET**, if anything goes wrong you have to perform rollback procedure. Therefore, **ET** gives you some time you can spend on solving the issue so you can carry on with updates. | * When you have no **ET**, if anything goes wrong you have to perform rollback procedure. Therefore, **ET** gives you some time you can spend on solving the issue so you can carry on with updates. | ||
- | You should have a rollback procedure that can safely restore the deployment. This depends on your environment and on the way you updated OS packages. | + | * You should have a rollback procedure that can safely restore the deployment. |
- | + | * This depends on your environment and on the way you updated OS packages. | |
- | Fortunately, | + | |
- | Minor issues can be generally resolved with the help of ``/boot`` and ``/etc`` backups you created before updating the OS. | + | * After restoring the snapshot, you have to perform tests (with test use-cases) to confirm the rollback was performed correctly. |
- | + | | |
- | If IdM installation gets hit, you can debug the configuration or restore it from periodic backup. Since IdM is not installed from OS packages, this basically never happens. | + | |