他们派一位维修师来修理磁盘驱动器。
这可能会将缓存涌到磁盘，但这通常并不是我们所希望的，因为在维修期间缓存内容可能过时。
It is possible to flush the cache contents to disk, but this is not generally desired due to the fact that cache contents can become stale during the maintenance window.
虽然这是这样的磁盘的主要目的，许多其他操作可以执行-数据恢复，系统维护，病毒扫描或系统的维修。
Although this is the main purpose of such disks, many other operations can be performed - data recovery, system maintenance, virus scanning or system repairs.
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