与HP P421的RAID 6？

我无法弄清楚是否需要购买许可证密钥来启用Raid 6的RAID控制器？ 我无法find哪里买，我发现它现在免费的网页。

sudo hpssacli ctrl slot = 1显示详细信息给我：

Smart Array P421 in Slot 1 Bus Interface: PCI Slot: 1 Serial Number: XXXXX Cache Serial Number: XXXXX RAID 6 (ADG) Status: Disabled Controller Status: OK Hardware Revision: B Firmware Version: 3.42 Wait for Cache Room: Disabled Surface Analysis Inconsistency Notification: Disabled Post Prompt Timeout: 15 secs Cache Board Present: True Cache Status: OK Drive Write Cache: Disabled Total Cache Size: 1024 MB Total Cache Memory Available: 816 MB No-Battery Write Cache: Disabled SSD Caching RAID5 WriteBack Enabled: False SSD Caching Version: 1 Cache Backup Power Source: Capacitors Battery/Capacitor Count: 1 Battery/Capacitor Status: OK SATA NCQ Supported: True Spare Activation Mode: Activate on physical drive failure (default) Controller Temperature (C): 58 Cache Module Temperature (C): 30 Capacitor Temperature (C): 26 Number of Ports: 2 External only Encryption Supported: False Driver Name: hpsa Driver Version: 3.4.0 Driver Supports HP SSD Smart Path: False 

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