The first step documented in Company.com’s HACMP test plan is to start the cluster manager on the normal service node and verify that HACMP daemons have started with the ’lssrc -g cluster" command. What daemons MUST show as active in the ’lssrc -g cluster" command to have an operational cluster？（） clstrmgrES，clsmuxpdES。 topsvcsd，grpsvcsd，exaixos。 topsvcsd，grpsvcsd，clinfoES，grglsmd。 clstrmgrES，clsmuxpdES，topsvcsd，grpsvcsd。
“教教育是生活的准备，如何经营完美的生活是教育应教导的一件大事，这是（）的观点 瑞士教育家裴斯泰洛齐。 德国思想家雅斯贝尔斯。 英国教育家斯宾塞。 美国教育家杜威。
A system administrator needs to upgrade the Oracle database from Version 7 to Version 8. Which of the following scheduling concerns should be considered?（） Schedule enough down time to backup, upgrade and reboot. 。 Backup, upgrade, then schedule enough down time to reboot the system.。 Backup, then schedule enough down time to upgrade and reboot the system. 。 There are no scheduling concerns because no down time is required.。
One of the mirrored disks for the root volume group has failed. Although the logical volumes are mirrored, and the bosboot command was run, the machine will not boot. What is the most probable cause?（） Quorum was not turned off。 Paging space was not mirrored。 The dump space was not mirrored。 The surviving disk was too small。
简述变流系统主要由哪几部分组成,并描述其功能.
Which of the following logical volume placement policies is likely to give the best performance in most cases， all other factors being equal？（）
