我在服务器上有两个不同的 RAID 阵列。第一个虚拟驱动器是具有 4 个磁盘的 RAID 10，并且已映射到操作系统。现在我创建了另一个具有 RAID 0 和一个磁盘的阵列。因为第一个虚拟驱动器是在设置整个系统时通过安装例程创建和映射的，所以我不知道如何将新的虚拟驱动器映射到操作系统。
虚拟驱动器：
# megacli -LDInfo -Lall -Aall
Adapter 0 -- Virtual Drive Information:
Virtual Drive: 0 (Target Id: 0)
Name :
RAID Level : Primary-1, Secondary-0, RAID Level Qualifier-0
Size : 5.457 TB
Sector Size : 512
Mirror Data : 5.457 TB
State : Optimal
Strip Size : 64 KB
Number Of Drives per span:2
Span Depth : 2
Default Cache Policy: WriteBack, ReadAhead, Direct, Write Cache OK if Bad BBU
Current Cache Policy: WriteBack, ReadAhead, Direct, Write Cache OK if Bad BBU
Default Access Policy: Read/Write
Current Access Policy: Read/Write
Disk Cache Policy : Disk's Default
Encryption Type : None
Default Power Savings Policy: Controller Defined
Current Power Savings Policy: None
Can spin up in 1 minute: Yes
LD has drives that support T10 power conditions: No
LD's IO profile supports MAX power savings with cached writes: No
Bad Blocks Exist: No
Is VD Cached: Yes
Cache Cade Type : Read Only
Virtual Drive: 1 (Target Id: 1)
Name :
RAID Level : Primary-0, Secondary-0, RAID Level Qualifier-0
Size : 2.728 TB
Sector Size : 512
Parity Size : 0
State : Optimal
Strip Size : 64 KB
Number Of Drives : 1
Span Depth : 1
Default Cache Policy: WriteBack, ReadAhead, Direct, No Write Cache if Bad BBU
Current Cache Policy: WriteBack, ReadAhead, Direct, No Write Cache if Bad BBU
Default Access Policy: Read/Write
Current Access Policy: Read/Write
Disk Cache Policy : Disk's Default
Encryption Type : None
Default Power Savings Policy: Controller Defined
Current Power Savings Policy: None
Can spin up in 1 minute: Yes
LD has drives that support T10 power conditions: No
LD's IO profile supports MAX power savings with cached writes: No
Bad Blocks Exist: No
Is VD Cached: Yes
Cache Cade Type : Read Only
现有文件系统：
# df -h
Filesystem Size Used Avail Use% Mounted on
rootfs 5.5T 4.7T 525G 91% /
udev 10M 80K 10M 1% /dev
tmpfs 38G 248K 38G 1% /run
/dev/disk/by-uuid/8fcd8997-12d3-4259-b7b9-4e5c27286b21 5.5T 4.7T 525G 91% /
tmpfs 5.0M 0 5.0M 0% /run/lock
tmpfs 77G 0 77G 0% /run/shm
/dev/sda2 504M 40M 440M 9% /boot
获取映射新虚拟驱动器、创建文件系统并安装到操作系统（例如 /var/backups/new ）的正确步骤是什么？（我们在 Debian 7.11 上）非常感谢！
