如果在文件系统级进行备份，就可能使数据库完全失效。

One may render a database completely useless should he back it up at the filesystem level.

youdao

你的问题有可能是文件系统级的损坏引起的，CHKDSL可能可以修复这一问题。

Your problem could be caused by corruption at the file system level, and CHKDSK may be able to fix the problem.

youdao

DB 2 Content Manager系统的文件系统级备份与脱机完整备份类似。

Filesystems level backup for DB2 Content Manager system is similar to that of offline full backup.

youdao