在第一次设置系统时，对于磁盘的配置，可以从最底层(物理层)开始，然后是设备层、逻辑卷、文件系统、文件和应用程序。
When first setting up your systems, start from the bottom (the physical layer) as you configure your disk, the device layer, its logical volumes, file systems, and the files and application.
如果您准备用SCSI设备创建一个RAID - 0卷，注意不要让所有驱动器的总吞吐量超过SCSI(和PCI)总线的最大吞吐量。
If you're creating a RAID-0 volume out of SCSI devices, be aware that the combined throughput of all the drives can potentially exceed the maximum throughput of the SCSI (and potentially PCI) bus.
与onbar相比，ontape在设置方面简单得多，并且更容易使用；ontape不需要存储卷管理器，可以使用磁带或磁盘设备进行备份和恢复。
Compared with onbar, ontape is much simpler in setting up and much easier to use; ontape does not require storage volume manager and could either use tape or disk devices for backup and restore.
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