If Linux NAS has damaged HDD, what can we do to replace HDD?
Don’t worry! If Linux NAS is under RAID 1, 5, 10 modes, and encounter single hard drive display [Warning] status or the RAID mode display [Downgrade] status.
You can use PDM [Space Management> Create hot spare] function, then you can replace damaged hard drive and restore all the storage space.
For more details, please refer to the following introduction!