A previously functional, scheduled snapshot operation against a JFS2 filesystem has failed. The JFS2 filesystem is mounted and appears intact. What is the most likely cause of the failure and how should it be resolved?（）A、The associated JFS2 log device ha

第1题：

Users frequently overrun the amount of space intended for them, resulting in full home filesystems. The customer is currently using AIX 5.3 with a mix of JFS and JFS2 filesystems.  Which of the following will contain the growth of the home filesystem space?（）

• A、Implement disk quota for all home filesystems
• B、Implement disk quota for the JFS2 home filesystems
• C、Recreate the home directories as individual filesystems
• D、Run the find command every night and delete all old files

第2题：

Companycom wants to apply a PTF to the p5 590 system. After doing a preview install, the output shows there is insufficient space in the /usr filesystem. The root volume group has no available physical partitions left. They do not want to add additional disk drives to the system, but have a jfs2 filesystem that is only 8% used. What could they do to utilize space in the jfs2 filesystem to apply this PTF?（）

• A、Backup the filesystem and recreate smaller
• B、Use the chfs to reduce the filesystem size
• C、Use cplv to copy filesystem to smaller size
• D、Use migratepv to copy filesystem to smaller size

第3题：

第4题：

The rootvg disk on a system failed and was replaced. The system was restored using the latest mksysb. However， no files in the /home filesystem were restored. What is the likely cause of this problem？（）

• A、The new drive is too small to hold the entire rootvg
• B、The /home filesystem was not mounted during creation of the mksysb
• C、The /home stanza in the bosinst.data contained an entry ’restore=no’
• D、The /home filesystem was NFS exported to another system during creation of the mksysb

第5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.

第6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.

第7题：

A previously functional， scheduled snapshot operation against a JFS2 filesystem has failed. The JFS2 filesystem is mounted and appears intact.  What is the most likely cause of the failure and how should it be resolved？（）  

• A、The associated JFS2 log device has failed. Check the log device and varyon the device.
• B、The logical volume that hosts the snapshots is full. Increase the size of the logical volume.
• C、Fifteen snapshots already exist for the given JFS2 filesystem. Delete at least one existingsnapshot.
• D、The volume group that hosts both the snapshots and JFS2 filesystem has lost quorum. Check and correct the integrity of the volume group.

第8题：

第9题：

The ‘fsck -p /dev/lv00’ command returned the following message：Not a recognized filesystem type. What is the likely cause of the problem and how should it be resolved？（）

• A、The file system superblock is dirty. It can be replaced from the VGDA
• B、The logical volume superblock is dirty. It can be replaced from the VGDA
• C、The file system superblock is dirty. It can be replaced from the secondary copy
• D、The logical volume superblock is dirty. It can be replaced from the secondary copy

第10题：

A system contains multiple hot-swap stand-alone disks with a large number of JFS2 file systems. Which feature of JFS2 can be used to improve reliability， availability and serviceability （RAS） if a disk failure occurs？（）

• A、Inline logging
• B、Dynamic inode allocation
• C、Linear directory organization
• D、Online filesystem defragmentation