Which command will list all subsystem resources on a server？（）

A.lssrc a
B.lssrc g
C.lssrc l
D.lssrc -s

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单项选择题

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

单项选择题

An administrator is attempting to recover a filesystem that fails to manually unmount. The fsck command produces the following output：
The current volume is： /dev/fslv02
File system is currently mounted.
Invalid file system size in the primary superblock.
Invalid file system size in the secondary superblock.
Primary superblock is corrupt. Secondary superblock is corrupt.
fsck： 0507-018 Superblock is corrupt and cannot be repaired.
Both primary and secondary copies are corrupt.Cannot continue
tried to mount
Which steps will resolve the problem？（）

A.Reboot the server into maintenance mode and run ‘fsck’ with the ‘-p’ parameter while the filesystem is mounted.
B.Reboot the server into maintenance mode and run ‘fsck’ with the ‘-y’ parameter while the filesystem is unmounted.
C.Force a umount of the filesystem with ‘umount -F /dev/fslv02’， and then run ‘fsck -p /dev/fslv02’ while the filesystem is unmounted.
D.Force a umount of the filesystem by varying off the hosting volume group and then varyon the volume group. This will permit ‘fsck -y’ to be run against the failing filesystem.

单项选择题

Which command synchronizes or rebuilds the logical volume control block，the device configuration database，and the volume group descriptor areas on the physical volumes？（）

A.syncvg rootvg
B.synclvm rootvg
C.varyonvg rootvg
D.synclvodm rootvg

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