clustermd_tests: add test case to test manage_re-add against cluster-raid10

[thirdparty/mdadm.git] / mdadm.8.in

diff --git a/mdadm.8.in b/mdadm.8.in
index f0fd1fce7cbd587438ac91ed3e6d1367f239b62e..e6befeb03c1b37f5602de48de90b76b187a4728b 100644 (file)
--- a/mdadm.8.in
+++ b/mdadm.8.in
@@ -1691,6 +1691,10 @@ overwritten with zeros.  With
 the block where the superblock would be is overwritten even if it
 doesn't appear to be valid.
 
+.B Note:
+Be careful to call \-\-zero\-superblock with clustered raid, make sure
+array isn't used or assembled in other cluster node before execute it.
+
 .TP
 .B \-\-kill\-subarray=
 If the device is a container and the argument to \-\-kill\-subarray