If your server becomes very slow, throws terminal errors, or stops responding suddenly–it could be indication of a hard drive failure. Check below for the correct guide that corresponds with your IONOS server type.
Note: If you have a VPS or Cloud Server, these steps are not applicable.
Windows
Software RAID
Diagnose and Replace a Defective Hard Drive (Windows Dedicated Server with Software RAID)
https://www.ionos.com/help/index.php?id=4067
Rebuilding Software RAID (Windows/Dedicated Server with BIOS)
https://www.ionos.com/help/index.php?id=1873
Hardware RAID
Diagnose and Replace a Defective Hard Drive (Windows Dedicated Server with Hardware Raid)
https://www.ionos.com/help/index.php?id=4440
Monitor/Rebuild Hardware RAID (Windows)
https://www.ionos.com/help/index.php?id=1871
Linux
Software RAID
Diagnose and Replace a Defective Hard Drive (Linux Dedicated Server with Software RAID)
https://www.ionos.com/help/index.php?id=4037
To check whether your server uses BIOS or UEFI as the interface between the hardware and the operating system, issue the following command:[ -d /sys/firmware/efi ] && echo UEFI || echo BIOS
Rebuilding Software RAID (Linux/Dedicated Server with BIOS)
https://www.ionos.com/help/index.php?id=1898
Rebuilding a Software RAID (Linux/Dedicated Server with UEFI)
https://www.ionos.com/help/index.php?id=5170
Software RAID Status & Monitoring (Linux)
https://www.ionos.com/help/index.php?id=1900
Hardware RAID
Diagnose and Replace a Defective Hard Drive (Linux Dedicated Server with Hardware Raid)
https://www.ionos.com/help/index.php?id=4437
Monitor/Rebuild Hardware RAID (Linux)
https://www.ionos.com/help/index.php?id=1896