确保所有NFS守护进程和rpc . rquotad守护进程正在运行。
Make sure that all NFS daemons are running fine along with the rpc.rquotad daemon.
sprayd守护进程和相关联的spray工具向指定的主机发送一个大的数据包流，判断这些数据包中有多少得到了响应。
The sprayd daemon and the associated spray tool send a large stream of packets to a specified host and determine how many of those packets get a response.
以一定的时间间隔运行作业需要使用cron设施进行管理，它由crond守护进程和一组表(描述执行哪些操作和采用什么样的频率)组成。
Running jobs at regular intervals is managed by the cron facility, which consists of the crond daemon and a set of tables describing what work is to be done and with what frequency.
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