XK0-005 Question #1790: Real Exam Question with Answer & Explanation

Question

An administrator has received multiple tickets relating to a lack of a disk space on a few servers, but the percentage of disk space usage is below the threshold. The following shows further analysis and findings: Which of the following commands should the administrator use to help identify the issue?

Options

• Afind . -xdev -type f | cut -d "/" -f 2 | sort | uniq -c | sort -n
• Bfind . -xdev -type p | cut -d "/" -f 2 | sort | uniq -c | sort -n
• Cfind . -xdev -type s | cut -d "/" -f 2 | sort | uniq -c | sort -n
• Dfind . -xdev -type d | cut -d "/" -f 2 | sort | uniq -c | sort -n

Explanation

A lack of disk space despite low percentage usage usually indicates inode exhaustion, often caused by an excessive number of small files.

Common mistakes.

• B. find . -xdev -type p searches for named pipes, which are special files and not the common cause of inode exhaustion issues related to general disk space.
• C. find . -xdev -type s searches for sockets, another type of special file not commonly responsible for filling up inodes in the scenario described.
• D. find . -xdev -type d searches for directories; while directories consume inodes, the problem typically lies with an abundance of regular files within them, not the directories themselves.

Concept tested. Linux file system troubleshooting, inode exhaustion

Reference. https://man7.org/linux/man-pages/man1/find.1.html

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