Which of the following commands creates a Btrfs subvolume named volume in/mnt?
Which of the following commands creates a Btrfs subvolume named volume in/mnt? A. btrfs subvolume add –n volume /mnt B. btrfs create subvolume /mnt volume C. btrfs-subvolume create /mnt/volume D. btrfs subvolume new volume /mnt E. btrfs subvolume create /mnt/volume
Which command is used to make an exact copy, at a single point in time, of a logical volume while still allowi
Which command is used to make an exact copy, at a single point in time, of a logical volume while still allowing the original logical volume to be updated? A. lvcclone B. lvcreate C. lvm2 D. lvsnap E. lvsnapshot
What command will remove a physical volume from a volume group? (Specify ONLY the command without any path or
Fill in the blank. What command will remove a physical volume from a volume group? (Specify ONLY the command without any path or parameters.) vgreduce
What information is found in the following excerpt from the file /proc/mdstat? (Choose two.)
What information is found in the following excerpt from the file /proc/mdstat? (Choose two.) A. One of the disks in /dev/md0 has failed and a spare disk is used to recreate full redundancy B. The spare disk /dev/sda1 is used to restore full redundancy after the current recovery C. The information [UU_] means, that the […]
What action should be performed after increasing the size of a logical volume?
What action should be performed after increasing the size of a logical volume? A. Run vgresize B. Increase the size of the filesystem used for the logical volume C. Run 1vresize D. Remount the logical volume
A system has one hard disk and one CD writer which are both connected to SATA controllers. Which device repres
A system has one hard disk and one CD writer which are both connected to SATA controllers. Which device represents the CD writer? A. /dev/hdb B. /dev/sdd C. /dev/scd1 D. /dev/sr0 E. /dev/sr1
What is the minimum number of disks required in a fully redundant RAID5 array?
What is the minimum number of disks required in a fully redundant RAID5 array? A. 1 B. 2 C. 3 D. 4 E. 5
Which single command simulates a failed device within a RAID 5 array?
Which single command simulates a failed device within a RAID 5 array? A. mdadm –remove /dev/md0 /dev/sdd1 B. mdadm –zero-superblock /dev/sdf3 C. mdadm –force-fault /dev/md2 /dev/sde2 D. mdadm –fail /dev/md0 /dev/sdc1 E. mdadm /dev/md0 –offline /dev/sdc1
What command discards unused blocks on a mounted file system in order to support SSD devices? (Specify ONLY th
Fill in the blank. What command discards unused blocks on a mounted file system in order to support SSD devices? (Specify ONLY the command without any path or parameters.) fstrim
What will happen if the command sequence is run again?
The following command has just been run successfully: Cd /opt; tar xvf /dev/nst0; What will happen if the command sequence is run again? A. An error saying that there is no tape present is generated because the tape has been ejected after being used B. The contents of /opt will be restored again C. The […]