8. RAID trouble shooting
If the RAID configuration is RAID5 and more than one HDD has an error, the RAID cannot be reconfigured, thus volumes need to be reallocated. In this case, no data can be recovered.
2. Problem solutions
Remove the HDD that has an error and connect a new hard drive (e.g.: HDD 1), then the RAID reconfiguration will start. All date in the newly connected HDD will be lost during this process.
For another failure during reconfiguration, the fault and HDD should be located and the following procedure should be observed.
①Error is due to the new HDD.
The newly connected drive must be exchanged for a new drive, and then RAID must be reconfigured.
