How to start your instance in System Rescue
Introduction
You may need to boot an instance in a _rescue_ mode in order to access your system and your data, following a boot problem, a corruption of your system initialization or any other problem that doesn't provide you access to your system anymore.
We are going to detail the step by step procedure to allow booting on a specialized system with SysRescueCD.
Procedure
Preparing the instance
- Stopping the instance
Make sure in your CIO management interface that your instance is stopped.
Fichier:2018 10 09 15 26 11 CloudStack.png
- Modification of the OS type
Once the instance is stopped you must ensure that the OS type is set to _Other Linux 64 bits_.
If this is not the case take a screenshot of the OS type after manipulation and avoid that your instance fails to restart.
Fichier:2018 10 09 15 28 10 CloudStack.png
Select the right _OS TYPE_.
Fichier:2018 10 09 15 29 17 .png
Once selected, validate your choice.
- Loading the ISO
Introduction
You may need to boot an instance in a _rescue_ mode in order to access your system and your data, following a boot problem, a corruption of your system initialization or any other problem that doesn't provide you access to your system anymore.
We are going to detail the step by step procedure to allow booting on a specialized system with SysRescueCD.
Procedure
Preparing the instance
- Stopping the instance
Make sure in your CIO management interface that your instance is stopped.
Fichier:2018 10 09 15 26 11 CloudStack.png
- Modification of the OS type
Once the instance is stopped you must ensure that the OS type is set to _Other Linux 64 bits_.
If this is not the case take a screenshot of the OS type after manipulation and avoid that your instance fails to restart.
Fichier:2018 10 09 15 28 10 CloudStack.png
Select the right _OS TYPE_.
Fichier:2018 10 09 15 29 17 .png
Once selected, validate your choice.
- Loading the ISO
You can now load the SysRescueCD ISO from the CIO management interface
Fichier:2018 10 09 15 32 10 CloudStack.png
Select sysrescuecd 5.2.2
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Validate your choice by pressing OK.
Start the instance
- Start your instance
Fichier:2018 10 09 15 34 35 CloudStack.png
Booting your system
You can launch the virtual console to access the SysRescueCD and perform your debugging.
Fichier:2018 10 09 15 35 22 CloudStack.png
You will have access to your system-rescue:
Fichier:2018 10 09 15 35 42 Demo sysrescue.png
Booting your system
Once your maintenance/debug operations are done on your system you will simply have to shut down your instance, change the OS type to the one configured before and reboot your instance after removing the iso :
Fichier:2018 10 09 15 36 59 CloudStack.png
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Fichier:2018 10 09 15 32 10 CloudStack.png
Sélectionner sysrescuecd 5.2.2
Fichier:2018 10 09 15 33 21 .png
Validez votre choix en appuyant sur OK.
Démarrage de l'instance
- Démarrer votre instance
Fichier:2018 10 09 15 34 35 CloudStack.png
Accès à l'instance
Vous pouvez lancer la console virtuelle afin d'avoir accès au SysRescueCD et ainsi pouvoir effectuer votre debug
Fichier:2018 10 09 15 35 22 CloudStack.png
Vous aurez accès à votre système-rescue :
Fichier:2018 10 09 15 35 42 Demo sysrescue.png
Démarrer votre système
Une fois vos opérations de maintenance/debug effectuée sur votre système vous aurez simplement à éteindre votre instance, modifiez l'OS type par celui configurer avant et redémarrer votre instance après avoir retirer l'iso :
Fichier:2018 10 09 15 36 59 CloudStack.png
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