99色精品-9色在线-99色在线-99色视频 国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

單項(xiàng)選擇題

A SAN needs to undergo disruptive maintenance, which will effect a hosted production system with multiple applications and related volume groups, one of which, datavg, resides on the SAN. There is one spare disk in the system but it is smaller than datavg.
How can application outages and risk of corruption be minimized?()

A.Stop the applications in all data volume groups and shut the system down during the outage period.
B.Stop the applications in datavg, unmount all datavg filesystems, varyoff datavg, and export datavg.
C.Stop the applications in datavg, unmount all datavg filesystems, and reduce datavg by the SAN disks.
D.Use the 'cpvg' command with the -z option to copy and compress datavg to different physical volumes.

微信掃碼免費(fèi)搜題