Does hard drive on NAS fail easily?

If the failure rate is listed as 0.00% there were drives in use, but none of the drives failed during that period. If the failure rate is blank, there were no drives in use during that period. The “All Periods” failure rates are cumulative for all data (2013-Q3 2015). read more

The disk number will be the position of the drive in the NAS box from left to right. So, if "Disk 2" failed, it is the second hard drive left. Second step: remove and replace . After determining which hard drive went kaput, you can remove it from the NAS box. read more

After determining which hard drive went kaput, you can remove it from the NAS enclosure. You may have to completely shut down your NAS first before removing a hard drive, but most Synology NAS boxes support hot-swapping. In that case, you can leave it powered on and remove and insert hard drives all day long without an issue. read more