A system administrator is preparing to run a preservation install and would like to use and hdisk that was no longer needed in datavg. Which of the following processes should be used to make it available for configuration?()
A. chdeb -1 hdiskxxx -a pv=clear; chdev -1 hdiskxx -a pv=yes
B. exportvg datavg; importvg -y rootvg hdiskxx
C. rmdev -1 hdiskxxx; mkdev -1 hdiskxxx -a pv=avail
D. reducevg datavg hdiskxxx; extendvg rootvg hdiskxxx
查看答案
因为冲床的事故率高于其它机械行业的事故率,为了使业主不致因事故赔偿而破产,应适当降低经济赔偿费的额度。()
A. 正确
B. 错误