逻辑卷 —— 联合多个单盘，以形成更大的存储盘；

解决方案

IBM / Logical Volume Manager
Hewlett-Packard / HP Logical Volume Manager
FreeBSD / Vinum Volume Manager
FreeBSD / ZFS
NetBSD / Logical Volume Manager (a.k.a. LVM)
NetBSD / ZFS
NetBSD / bioctl arcmsr
The OpenBSD Project / bioctl softraid
…

RAID

参考文献

Logical volume management – Wikipedia