In an iostat report， which of the following options best describes the value of % idle？（）A、 A representation of the equation （tps/kbps）*100B、 The percentage of time the disks are idle with no activityC、 The percentage of time the disks are idle with no outstanding CPU requestsD、 The percentage of time the CPU is idle with no outstanding disk I/O requests
In an iostat report， which of the following options best describes the value of % idle？（）
- A、 A representation of the equation （tps/kbps）*100
- B、 The percentage of time the disks are idle with no activity
- C、 The percentage of time the disks are idle with no outstanding CPU requests
- D、 The percentage of time the CPU is idle with no outstanding disk I/O requests
相关考题：
Ifasystemadministratorwantstoshowonlyadiskreportfordisk2,attwosecondintervals,whatisthecorrectcommandtorun?() A.iostatdisk11B.iostat-ddisk12C.iostatdisk21D.iostat-ddisk22
WhichofthefollowingcommandsshouldbeusedtodeterminewhichdiskofasystemisexperiencingadiskI／Operformanceproblem?() A.filemonB.istatC.vmstatD.iostat
Anadministratorattemptedtorunasar－ureportandreceivedthefollowingerror:sar:0551－201Cannotopen／var／adm／sa／sa12.Whichofthefollowingshouldbescheduledinadm’scrontabtoenablesarreporting() A.sarB.sa1C.vmoD.iostat
In an iostat report， which of the following options best describes the value of % tm_act？（）A、 The total CPU usage for this driveB、 The bandwidth utilization of the indicated driveC、 It can best be represented by the equation （%iowait - %ioidle）D、 It can best be represented by the equation （kilobytes read/kilobytes written） *100
Which of the following commands should be used to observe the number of system calls per second? （）A、 sar B、 iostat C、 svmon D、 vmstat
Which of the following metrics provided by the iostat report is used to initially determine if a disk is I/O bound？（）A、 tinB、 toutC、 % idleD、 % tm_act
An administrator attempted to run a sar -u report and received the following error： sar： 0551-201 Cannot open /var/adm/sa/sa12. Which of the following should be scheduled in adm’s crontab to enable sar reporting（）A、sarB、sa1C、vmoD、iostat
Which iostat %iowait minimum threshold indicates a possible I/O bottleneck?（）A、20% B、40% C、60% D、80%
If a system administrator wants to show only a disk report for disk2, at two second intervals, what is the correct command to run?（）A、 iostat disk1 1 B、 iostat -d disk1 2 C、 iostat disk2 1 D、 iostat -d disk2 2
Which of the following phrases is TRUE regarding monitoring disk I/O with iostat？（）A、 The iostat can only be run as the root userB、 There could be zero percent I/O wait and still be an I/O bottleneckC、 Any I/O wait time displayed in output of "iostat" is an indication of severe I/O bottlenecks D、 Running "iostat" without any arguments/parameters is sufficient for resolving I/O bottlenecks
A disk contains several logical volumes. Which of the following commands indicates how much data is read from or written to a particular logical volume on the same disk?（）A、 sar B、 iostat C、 svmon D、 filemon
Which command series should be used to determine whether file paging or paging space paging is a problem when running a program from an idle system？（）A、 foo ； lsps -sB、 tprof -kx ； fooC、 iostat ； foo ； iostatD、 vmstat -s ； foo ； vmstat s
Users are complaining of slow performance. The iostat command indicates hdiskxxx is extremely busy. There is no activity on any other hdisks in the same volume group. Which of the following is the best action to take?（）A、Change intra policy to outerB、Change intra policy to centerC、Change inter policy to maximumD、Increase the physical partition size
下面的AIX系统性能检查命令，正确的是（）。A、检查CPU性能：使用vmstat、topas命令B、检查内存使用情况：使用vmstat、topas命令C、检查IO平衡使用情况：使用iostat命令D、以上全对
单选题A disk contains several logical volumes. Which of the following commands indicates how much data is read from or written to a particular logical volume on the same disk?（）A sar B iostat C svmon D filemon
单选题Which of the following metrics provided by the iostat report is used to initially determine if a system is I/O bound？（）A % idleB % sysC % userD % iowait
单选题Which of the following phrases is TRUE regarding monitoring disk I/O with iostat？（）A The iostat can only be run as the root userB There could be zero percent I/O wait and still be an I/O bottleneckC Any I/O wait time displayed in output of iostat is an indication of severe I/O bottlenecks D Running iostat without any arguments/parameters is sufficient for resolving I/O bottlenecks
单选题A system administrator ran the iostat command because of system performance problems. The following iostat output is provided： Based on the output， which of the following is insufficient？（）A CPUB MemoryC Paging spaceD Disk capacityX
单选题If a system administrator wants to show only a disk report for disk2, at two second intervals, what is the correct command to run?（）A iostat disk1 1 B iostat -d disk1 2 C iostat disk2 1 D iostat -d disk2 2
单选题Which iostat %iowait minimum threshold indicates a possible I/O bottleneck?（）A20% B40% C60% D80%
单选题Which of the following commands should be used to observe the number of system calls per second? （）A sar B iostat C svmon D vmstat
单选题All of the following types of statistics are reported by the iostat command tool EXCEPT:（）.A Free memoryB CPU statistics C Disk statistics D Terminal statistics
单选题Which command series should be used to determine whether file paging or paging space paging is a problem when running a program from an idle system？（）A foo ； lsps -sB tprof -kx ； fooC iostat ； foo ； iostatD vmstat -s ； foo ； vmstat s