Chp 3: Maintaining Filesystem Health - VII

Question 1

What exactly can confuse fsck and possibly cause filesystem corruption? pg. 158

Answer 1

changes written to disk during normal read/write operations

Question 2

What enables the Linux system to boot without delay as long as the system was originally shut down properly? pg. 158

Answer 2

e2fsck

Question 3

e2fsck forces a check if the system has gone without a check in __ months or if the filesystem has been mounted more than __ times since the last check. pg. 158

Answer 3

6 months and 20 times

Question 4

The tools to help you monitor disk use are __ to summarize disk use on a partition-by-partition basis and __ summarizes directory-by-directory. pg. 158

Answer 4

df / partition and du / directory

Question 5

Which df options allow df to scale and label its units? pg. 159

Answer 5

-h or –human-readable

Question 6

The df -i or –inodes provides a report on available and used inodes, but what other filesystems create inodes dynamically so df -i or –inodes is unnecessary? pg. 159

Answer 6

ReiserFS and Btrfs

Question 7

Y or N The du counts files that appear multiple times as hard links. pg. 160

Answer 7

Yes

Question 8

What option is equivalent to –max=depth=0 ? pg. 161

Answer 8

-s or –summarize option which limits the report to list only files and directories that you specify.

Question 9

Which is the correct command to use to unmount a filesystem- unmount or umount? pg. 162

Answer 9

umount

Question 10

Define Mount by Label or UUID. pg. 162

Answer 10

Rather than using a device name, you can use the -L label or -U uuid options to tell mount to mount the filestystem with specified label or UUID..

Question 11

What are the two special parameters used usually to add filesystem-specific options? pg. 163

Answer 11

-0 or /etc/fstab

Question 12

What’s an unmount option that can be helpful to unmount an NFS mount shared by servers that have become unreachable? pg. 166

Answer 12

-f

Question 13

T or F You must ALWAYS issue a umount command before ejecting a mounted disk. pg. 166

Answer 13

True

Question 14

What file controls how Linux provides access to disk partitions and removable media devices? pg. 167

Answer 14

/etc/fstab

Question 15

Mount points = empty directories are created for user-mountable media. What subdirectories do removable media usually mount? pg. 169

Answer 15

/mnt or /media