File System Issues
The following are known issues that are specific to file systems supported with Unbreakable Enterprise Kernel Release 5.
ext4: Frequent repeated system shutdowns can cause file system corruption
If a system using ext4 is repeatedly and frequently shut down, the file system may be corrupted. This issue is considered to be a corner-case due to the difficulty required to replicate. The issue exists in upstream code and proposed patches are currently under review. (Bug ID 27547113)