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
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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.
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
A. perfmon -h 30 -l 25
B. chdev
C. no -o
D. smit chgsys
A. N times the stripe unit size
B. N times the VMM minfree parameter
C. The same value as that of the VMM maxfree parameter
D. The same value as that of the VMM maxrndwrt parameter
A. Increase the size of thewall
B. Increase the size of sb_max
C. Increase the size of tcp_recvspace
D. Increase the size of tcp_sendspace
最新試題
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？（）
Which of the following RAID levels provide the best performance for a system where there are mostly writes occurring？（）
The system administrator notices that IP packets are not getting forwarded. The system administrator wants to use an AIX machine as an internetwork router over TCP/IP networks. Which of the following commands will allow this change on the fly？（）
Which of the following commands will only provide a snapshot of average memory usage for a process？（）
In an iostat report， which of the following options best describes the value of % tm_act？（）
Which of the following is true about rmss？（）
Page replacements algorithm steals file pages only when percent of RAM occupied by filepages（）
Which of the following performance tools will work with optimized code and also provides source statement profiling？（）
To examine the Exhibit， press the Exhibit button. While a user is compiling a C program， "vmstat 120 10" is run to determine the cause of a performance problem. Given the vmstat output as shown in the exhibit， which of the following conclusions is most appropriate to draw about the machine？（）
When setting up schedules and enforcing scheduling of different types of workloads， which of the following are critical performance issues？（）