单项选择题
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？（）
单项选择题 Whichcommandsynchronizesorrebuildsthelogicalvolumecontrolblock，thedeviceconfigurationdatabase，andthevolumegroupdescriptorareasonthephysicalvolumes？（）
单项选择题 Whatcanbedonetoenablethedebuginformationforfunctionstobedisplayedwhenusing‘ksh-x’todebugascript？（）