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An application writes to a log file in the /logs filesystem 

题目
单选题
An application writes to a log file in the /logs filesystem that is full. After the log file is deleted，‘df’ still shows the filesystem as 100% full.  What is the likely cause of the problem and what will resolve it？（）
A

The deleted file is still open by the application. The system must be rebooted before ‘df’ will show the reduction in the filesystem.

B

The deleted file is still open by the application. The application must be stopped before ‘df’ will show the reduction in the filesystem.

C

The filesystem is still marked as full in the /etc/fs.status file. The system must be rebooted before ‘df’ will show the reduction in the filesystem.

D

The filesystem is still marked as full in the /etc/fs.status file. The application must be stopped before ‘df’ will show the reduction in the filesystem.

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相似问题和答案

第1题：

After installing WebSphere Commerce，the WebSphere Application Server fails to start.  Which log file will help determine if WebSphere Application Server was installed correctly？（）

  • A、<WAS_installdir>/logs/log.txt 
  • B、<WC_installdir>/logs/install_date_time.log 
  • C、<WAS_installdir>/logs/<WC_instance_name>/SystemOut.log 
  • D、<WC_installdir>/instances/<instance_name>/xml/<instance_name>.xml 
  • E、<WAS_installdir>/logs/serverStatus.log

正确答案:A

第2题：

A system administrator has determined that the /development filesystem needs to be changed from JFS to JFS2 to take advantage of the new capabilites available in JFS2. What is the method to convert the /development filesystem from type JFS to JFS2？（）

  • A、Umount the /development filesystem and remount it using the following command： mount -t jfs2 /development
  • B、Edit the /etc/filesystems file to change the type paramter to "jfs2" and change the log parameter to "jfs2log"
  • C、Backup the /development filesystem data， delete the JFS /development filesystem， create the new JFS2 /development filsystem， and restore the data to the /development filesystem
  • D、Backup the /development filesystem data， change the /development filesystem using the following command，chfs -t type=jfs2 /development.then， restore the data to the /development filesystem

正确答案:C

第3题：

You are using replication and the binary log files on your master server consume a lot of disk space. Which two steps should you perform to safely remove some of the older binary log files?()

A.Use the command PURGE BINARY LOGS and specify a binary log file name or a date and time to remove unused files

B.Execute the PURGE BINARY LOGE NOT USED command

C.Remove all of the binary log files that have a modification date earlier than today

D.Edit the .index file to remove the files you want to delete

E.Ensure that none of the attached slaves are using any of the binary logs you want to delete


参考答案：A, E

第4题：

Which statement is true about FLUSH LOGS command?（）

  • A、It requires the RELOAD, FILE, and DROP privileges
  • B、It closes and reopens all log files
  • C、It closes and sends binary log files to slave servers
  • D、It flushes dirty pages in the buffer pool to the REDO logs

正确答案:B

第5题：

In your database， the Log Writer （LGWR） process is unable to write to a member of a current redo log group due to read/write failure. Which two effects would you see in your database？（）

  • A、The database instance aborts.
  • B、The database operation temporarily halts till the member becomes available.
  • C、Writing proceeds as normal. LGWR writes to the available members of a group and ignores the unavailable members.
  • D、The member would be marked as STALE and an error message would be written to the alert log file and LGWR trace file.
  • E、The status of the group changes to INACTIVE and an error message would be written to the alert log file and LGWR trace file.

正确答案:C,D

第6题：

How can a JFS2 filesystem be added to a volume group that has insufficient space to host a log LV？（） 

  • A、Create the filesystem with an inline log.
  • B、Create the filesystem referring to the jfs2log in rootvg.
  • C、Create the filesystem and format the logical volume with ’logform’.
  • D、Create the filesystem’s underlying logical volume with an inline log.

正确答案:C

第7题：

The Log Writer （LGWR） process reads information from the （）and writes it to the online logs.

  • A、large pool
  • B、shared pool
  • C、data buffer cache
  • D、redo log buffer
  • E、data dictionary cache

正确答案:D

第8题：

An application writes to a log file in the /logs filesystem that is full. After the log file is deleted, 'df' still shows the filesystem as 100% full. What is the likely cause of the problem and what will resolve it?（）

  • A、The deleted file is still open by the application.The system must be rebooted before'df' will show the reduction in the filesystem.
  • B、The deleted file is still open by the application.The application must be stoppedbefore 'df' will show the reduction in the filesystem.
  • C、The filesystem is still marked as full in the /etc/fs.status file.The system must be rebooted before 'df' will show the reduction in the filesystem.
  • D、The filesystem is still marked as full in the /etc/fs.status file.The application must be stopped before 'df' will show the reduction in the filesystem.

正确答案:B

第9题：

Which background process reads the redo log buffer and writes it to a file？（）

  • A、ARCn
  • B、DBWn
  • C、CKPT
  • D、LGWR
  • E、PMON
  • F、SMON

正确答案:D

第10题：

When performing a database duplication， which duplicate database parameter would you set to ensure that the online redo logs are created in the correct location？（）  

  • A、 log_file_name_convert
  • B、 convert_log_file_name
  • C、 file_name_convert_log
  • D、 redo_log_file_name_convert
  • E、 logfile_convert_directory

正确答案:A

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