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-rw-r--r--qemu-img.texi7
1 files changed, 6 insertions, 1 deletions
diff --git a/qemu-img.texi b/qemu-img.texi
index 6fc3c28e0d..5a7b2bb1f2 100644
--- a/qemu-img.texi
+++ b/qemu-img.texi
@@ -70,10 +70,15 @@ lists all snapshots in the given image
Command description:
@table @option
-@item check [-f @var{fmt}] @var{filename}
+@item check [-f @var{fmt}] [-r [leaks | all]] @var{filename}
Perform a consistency check on the disk image @var{filename}.
+If @code{-r} is specified, qemu-img tries to repair any inconsistencies found
+during the check. @code{-r leaks} repairs only cluster leaks, whereas
+@code{-r all} fixes all kinds of errors, with a higher risk of choosing the
+wrong fix or hiding corruption that has already occured.
+
Only the formats @code{qcow2}, @code{qed} and @code{vdi} support
consistency checks.