Note that foreground fsck should be run after a filesystem related panic.

Suggested by:	Mikhail Teterin (mi@)
MFC after:	1 week

1 files changed, 11 insertions, 0 deletions

diff --git a/sbin/fsck/fsck.8 b/sbin/fsck/fsck.8
index a4f6d4b0cca1..c7cb0a5999ba 100644
--- a/sbin/fsck/fsck.8
+++ b/sbin/fsck/fsck.8
@@ -169,6 +169,17 @@ so the check program is invoked with the
 flag to indicate that a check on the active file system should be done.
 When running in background mode,
 only one file system at a time will be checked.
+Note that background
+.Nm
+is limited to checking for only the most commonly occuring
+file system abnormalities.
+Under certain circumstances,
+some errors can escape background
+.Nm .
+It is recommended that you perform foreground
+.Nm
+on your systems periodically and whenever you encounter
+file-system\-related panics.
 .It Fl t Ar fstype
 Invoke
 .Nm