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.
您可能感興趣的試卷
你可能感興趣的試題
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
A. lslv
B. lsfs
C. lspv
D. fileplace
最新試題
In order to determine how efficiently an application is reading and writing data， which of the following utilities will report read and write sizes on disk I/O requests？（）
Which of the following performance tools will work with optimized code and also provides source statement profiling？（）
Which tool is based on the AIX trace facility？（）
When setting up schedules and enforcing scheduling of different types of workloads， which of the following are critical performance issues？（）
Which of the following RAID levels provide the best performance for a system where there are mostly writes occurring？（）
After issuing the nfsstat -rs command， the null received column starts to grow. This indicates which of the following conditions？（）
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？（）
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. Using the vmstat output as shown in the exhibit， which of the following conclusions is most appropriate to draw about the I/O bottleneck？（）
Which of the following tools should be used to display the location of unused physical partitions on a disk drive？（）
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？（）