单选题Companycom has been performing scheduled backups of their data to tape using "tar" in a script for over one year with no problems. Recently, the tar command is returning a non zero return code during the backup phase, causing the script to fail. What i
题目
单选题
Companycom has been performing scheduled backups of their data to tape using "tar" in a script for over one year with no problems. Recently, the tar command is returning a non zero return code during the backup phase, causing the script to fail. What is the primary cause of this problem?（）
A
The files have grown to over eight gigabytes in size
B
The file systems are corrupt, and fsck should be run
C
The tape block size has been changed from the default
D
The user’s limit has been changed to less than eight gigabytes
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