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Common Problem

Logical	Raid reconfiguration by user mistake Loss of Raid Information Replace with an incompatible controller or hard disk	In the case of logical corruption, it is better to avoid storing data on RAID storage devices as this may damage existing data in other location.
Physical	Multiple hard disk failures	In case of physical damage, do not turn on the power. Take special care on identifying each drives not to be mixed with each other when you rebuild the RAID. If you are using a special file system or raid configuration, you should contact the vendor for help.

Price

No. HDD	Recovery cost (success)	Operating expense (fail)	Remark
2 or less	₩800,000	None	When the recovery is successful, Not charged for operation expense.
3~5ea	₩1,200,000~2,000,000	₩300,000
6~10ea	₩2,200,000~3,800,000	₩400,000
11~16ea	₩4,200,000~6,200,000	₩800,000
Over 17ea	After consultation