虚拟scsi设备的好处与虚拟磁盘几乎相同；更少的硬件费用，不需要为每个分区专门配置设备。

The benefits of virtual SCSI devices are much the same as virtual disk; less hardware expense and not needing to dedicate a device to each partition.

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计算资源太多，硬件成本和其他费用就会否定云计算的成本削减承诺。

With too many computing resources, the hardware costs and other expenses negate the cost-reduction promises of cloud computing.

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除了开发用的机器之外，您不需要任何硬件，也不需要为将使用的任何软件支付许可证费用。

You don't need any hardware other than your development machine, nor do you have to pay licensing fees for any of the software you'll use.

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