LG Network Attached Storage with built-in Blu-ray Rewriter N4B1 - Manual (Page 146)

. RAID trouble shooting
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Appendix A Volume Construction & RAID Configuration
This section describes volume configuration and supported RAID level.
When configuring volume using RAID, the use of Disks of the same manufacturer and
capacity is recommended to maximize stability and efficiency of configuration. In the
case that the Disks differ in capacity and trademark, data may be lost due to low system
stability and efficiency.
In the case that the volume of the damaged Disk must be amended, relevant data must
first be backed up.
∙ Single Disk (None) volumes
The volume can be configured to each Disk without configuring the RAID. This is
similar to methods with general PCs that use Disks. If the Disk is damaged, the
damaged Disk data may be lost.
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