我得到一台带有 LSI MEgarad 卡的机器。我知道虚拟磁盘有什么：
Adapter: 0
Product Name: LSI MegaRAID SAS 9260-4i
Memory: 512MB
BBU: Absent
Serial No: SV11807006
==============================================================================
Number of DISK GROUPS: 3
但我不知道每个虚拟磁盘（0、1、2）上都有哪些磁盘，哪些磁盘是 HotSpare ......
MegaCli -LDInfo -Lall -aAll
Adapter 0 -- Virtual Drive Information:
Virtual Disk: 0 (Target Id: 0)
Name:
RAID Level: Primary-5, Secondary-0, RAID Level Qualifier-3
Size:16.371 TB
State: Optimal
Stripe Size: 64 KB
Number Of Drives per span:3
Span Depth:3
....
Check Consistency : Completed 46%, Taken 254 min.
Virtual Disk: 1 (Target …