单盘故障导致Raid卡下所有盘IO堵塞

服务器型号：DELL R740XD（24盘位）

BIOS版本：2.9.4，2.10.2

RAID卡型号：PERC H330 Adapter

RAID卡信息：固件版本 25.5.9.0001，驱动程序版本 07.714.04.00-rh1

虚拟磁盘组：

Virtual Disk0：2块机械硬盘组的raid1。

Virtual Disk1：2块intel固态硬盘组的raid1。

Virtual Disk2：20块intel固态硬盘组的raid10。

三个虚拟磁盘组 共用一块RAID卡。

现象：Virtual Disk2中的一块盘故障，导致Virtual Disk0、Virtual Disk1、Virtual Disk2 都不可用。linux系统中磁盘的util全部达到100%。感觉就像是卡住了。持续几十秒后，就自动恢复了。

问题：请问这是正常的现象吗？这样影响也太大了？是否有好的方法能够解决此问题。

硬盘故障时的系统日志：

Jan 11 22:07:23 bjevca-db2 kernel: megaraid_sas 0000:af:00.0: scanning for scsi0...Jan 11 22:07:23 bjevca-db2 kernel: megaraid_sas 0000:af:00.0: 2389 (758326033s/0x0001/CRIT) - VD 02/2 is now DEGRADEDJan 11 22:07:23 bjevca-db2 Server_Administrator: 2851 2405 - Storage Service  Command timeout on physical disk:  Physical Disk 0:1:20 Controller 0, Connector 0Jan 11 22:07:23 bjevca-db2 Server_Administrator: 2851 2095 - Storage Service  Unexpected sense. SCSI sense data: Sense key:  6 Sense code: 29 Sense qualifier:  0:  Physical Disk 0:1:20 Controller 0, Connector 0Jan 11 22:07:24 bjevca-db2 Server_Administrator: 2851 2405 - Storage Service  Command timeout on physical disk:  Physical Disk 0:1:20 Controller 0, Connector 0Jan 11 22:07:24 bjevca-db2 Server_Administrator: 2851 2095 - Storage Service  Unexpected sense. SCSI sense data: Sense key:  6 Sense code: 29 Sense qualifier:  0:  Physical Disk 0:1:20 Controller 0, Connector 0Jan 11 22:07:24 bjevca-db2 Server_Administrator: 2851 2405 - Storage Service  Command timeout on physical disk:  Physical Disk 0:1:20 Controller 0, Connector 0Jan 11 22:07:25 bjevca-db2 Server_Administrator: 2851 2346 - Storage Service   Error occurred: Error on PD 14(e0x20/s20) (Error f0).Part Number = :  Physical Disk 0:1:20 Controller 0, Connector 0Jan 11 22:07:25 bjevca-db2 Server_Administrator: 2851 2048 - Storage Service  Device failed:  Physical Disk 0:1:20 Controller 0, Connector 0Jan 11 22:07:25 bjevca-db2 Server_Administrator: 2851 2123 - Storage Service  Redundancy lost:  Virtual Disk 2 (Virtual Disk2) Controller 0 (PERC H330 Adapter)Jan 11 22:07:25 bjevca-db2 Server_Administrator: 2851 2057 - Storage Service  Degraded:  Virtual Disk 2 (Virtual Disk2) Controller 0 (PERC H330 Adapter)

硬盘故障时的IO表现：