检查和推断每个虚拟机在管理程序可用的资源总量中所需的资源量(如cpu配额、内存和磁盘空间)。
Checking and deducing the amount of resources (such as CPU shares, memory, and disk space) that are needed by each virtual machine from the total amount of resource available to the hypervisor.
在传统的计算环境中，在收到警报后，系统管理员可以挂载新磁盘，并避免因磁盘空间不足而引起的可用性问题。
In a traditional computing environment, a system administrator, having received the alert, can mount a new disk and avoid an availability problem resulting from a disk-out-of-space condition.
因为可用的存储空间不是无限制的，DB 2数据库管理器必须限制可用于锁的空间数量。
Because the space available is not infinite, the DB2 database manager must limit the amount of space that can be used for locks.
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