There is the possibility that hdisk1 in the root volume group is going bad. A decision has been made to replace the disk. After saving all of the data from the disk and unmounting any filesystems on the disk, which of the following commands should be run

During an attempt to mount filesystems on the datavg volume group, the following error message occurs: "0506-323 Cannot get information about log device loglv00." The error is due to the fact that the jfslog used by these filesystems is located on a bad disk. Which of the following procedures should be performed to fix the error?（）

A.Run fsck on all filesystems using loglv00

B.Run the logform command against loglv00

C.Recreate the filesystems and resotre form a backup

D.Create a enw jfslog and change /etc/filesystems to point to this log

A.Veryoff the volume group

B.Unmount any filesystems on the disk

C.Remove all physical partitions on the disk

D.Unmount mirrored filesystems from the disk

There is the possibility that hdisk1 in the root volume group is going bad. A decision has been made to replace the disk. After saving all of the data from the disk and unmounting any filesystems on the disk, which of the following commands should be run before removing the disk from the system?（）

A.chgv -a n hdisk rootvg; rmdev -1 hdisk1 -d

B.rmdev -1 hdisk1 -d; reducevg -df rootvg hdisk1

C.reducevg -df rootvg hdisk1; rmdev -1 hdisk1 -d

D.reducevg -df rootvg hdisk1; rmdev -1 hdisk1

A.Extendvg to include both disks in the rootvg

B.Copy the hd5 logical volume to hdisk1

C.Run the bosboot and bootlist commands

D.Reset the dump device to /dev/sysdumpnull

In a three-disk volume group, a disk was physically removed from the system without performing any software procedures to properly remove the disk. Which of the following commands should be performed to recover from this error?（）

A.extendvg

B.cfgmgr

C.reducevg

D.varyoffvg