MegaRAID degraded

MegaCli -LDInfo -Lall -a0 -NoLog


Adapter 0 -- Virtual Drive Information:
Virtual Disk: 0 (target id: 0)
Name:RHELES4
RAID Level: Primary-5, Secondary-0, RAID Level Qualifier-3
Size:1429248MB
State: Degraded
Stripe Size: 64kB
Number Of Drives:4
Span Depth:1
Default Cache Policy: WriteThrough, ReadAdaptive, Direct, No Write Cache if Bad BBU
Current Cache Policy: WriteThrough, ReadAdaptive, Direct, No Write Cache if Bad BBU
Access Policy: Read/Write
Disk Cache Policy: Disk's Default