单项选择题
The system administrator has determined that a new JFS log needs to be created on a different disk， in order to decrease an I/O bottleneck. Which of the following steps are the most correct？（）
A. mklv -t jfslog -y LVname VGname 1 PVname logform /dev/LVname chfs -a log=/dev/LVname /filesystemname m ount and unmount filesystem
B. mklv -t jfslog -y LVname VGname PVname unmount filesystem vi /etc/filesystems， change entry for lv to point filesystem to new JFS log mount filesystem
C. mklvcopy -a jfslog -y LVname VGname 1 PVname chfs -a log=/dev/LVname /filesystemname unmount and mount file system
D. mklvcopy -t jfslog -y LVname VGname 1 PVname logform /dev/LVname vi /etc/filesystems， change entry for lv to point filesystem to new JFS log unmount and mount filesystem
相关考题
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单项选择题
WhichofthefollowingstatementsareFALSEconcerningthedefragfscommand？（）
A. The defragfs command should not be run against file systems and logical volumes that contain mostly transitory information， such as /tmp.
B. The defragfs command should not be run on a large JFS2 file system when running on a 32-bit kernel.
C. The defragfs command can improve file system performance by increasing the file system’s contiguous free space.
D. The defragfs command can only be run against file systems that are mounted with read-write permissions. -
单项选择题
Given the following on a system that is not a name server， which will be the first area searched to resolve a host name to an IP address？（） #cat /etc/resolv.conf domain abc.century.com nameserver 192.9.201.1 nameserver 192.9.201.2 #cat /etc/netsvc.conf hosts = bind，nis，local #echo $NSORDER local，bind
A. /etc/hosts on server 192.9.201.2
B. /etc/hosts on the local system
C. /etc/named.rev on 192.9.201.1
D. /etc/netsvc.conf on the NIS server -
单项选择题
AnAIXsystem，whichisrunningadatabase，ishavingperformanceissueswithI/Owriting.TheDBAhasprovidednumbersfortheHIGHandLOWwatermarksforpendingfilewrites，whichwilloptimizethesystemforbestperformance.Tosetthesenumbers，whichofthefollowingcommandswouldbeused？（）
A. perfmon -h 30 -l 25
B. chdev
C. no -o
D. smit chgsys
