The storage should be optimized with a proper RAID configuration, such as a RAID 5 setup with a hot spare disk.
该存储必须通过适当的RAID配置进行优化，比如一个附带热备份磁盘的 RAID5设置。
Indeed, the alt_disk_copy is often used to clone the rootvg to a spare disk for regular on-line backup of rootvg.
对于rootvg 的定期在线备份，常常使用 alt_disk_copy 把 rootvg克隆到空闲磁盘上。
Throughout this article, I assume that you have already added a new hard disk device, or have a spare disk device or partition to use as the destination for the directory or file system.
在本文中，假设您已经添加了一个新的硬盘设备或具有备用的硬盘设备或分区，以用作目录或文件系统的移动目标。
Notwithstanding the previous guidelines, purchase at least one spare hard disk for each model hard disk you deploy.
尽管有前面的指导方针，但为您部署的每个模型硬盘购买至少一个备用硬盘。
If you're in doubt, you can use a GPT-aware partitioning tool to set up GPT partitions on a spare hard disk or a small removable disk, such as a USB flash drive.
如果您不确定，您可以使用一个支持GPT的分区工具在一个闲置硬盘或者一个小型可移动硬盘(比如usb闪存驱动器)上建立GPT分区。
If you're in doubt, you can use a GPT-aware partitioning tool to set up GPT partitions on a spare hard disk or a small removable disk, such as a USB flash drive.
如果您不确定，您可以使用一个支持GPT的分区工具在一个闲置硬盘或者一个小型可移动硬盘(比如usb闪存驱动器)上建立GPT分区。
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