求助DS4800黄灯报警

公司一台过保DS4800出问题了 黄灯报警
管理口进入后
搜索错误日志如下：
Date/Time: 2/29/12 1:55:25 PM
Sequence number: 42942
Event type: 1010
Event category: Error
Priority: Critical
Description: Impending drive failure detected by drive
Event specific codes: 1/5d/0
Component type: Drive
Component location: Enclosure 1, Slot 16
Logged by: Controller in slot A
Raw data:
4d 45 4c 48 02 00 00 00 be a7 00 00 00 00 00 00
10 10 11 11 cd bd 4d 4f 00 00 a0 00 0a 01 00 00
03 00 00 00 00 00 00 00 00 00 00 00 01 00 00 00
01 00 00 00 01 00 00 00 01 00 00 00 10 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 01 00 00 00 02 2d 00 00
12 00 0d 01 70 00 01 00 00 00 00 18 00 00 00 00
5d 00 00 00 00 00 13 00 0d 01 cc dd bb 28 00 22
ec af 2b 00 00 01 00 00 00 00 00 00 00

截图如上：


刚到公司不久，存储不大懂，存储里跑着重要数据，不敢乱动，请问下这种情况严不严重，需要换硬盘什么的么？
求助各位 谢谢