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-rw-r--r--mdadm.811
1 files changed, 11 insertions, 0 deletions
diff --git a/mdadm.8 b/mdadm.8
index 88aa6f7..9f62b01 100644
--- a/mdadm.8
+++ b/mdadm.8
@@ -905,6 +905,17 @@ the system to be marked as failed. It can then be removed.
same as
.BR \-\-fail .
+.TP
+.BR \-\-write\-mostly
+Subsequent devices that are added or re-added will have the 'write-mostly'
+flag set. This is only valid for RAID! and means that the 'md' driver
+will avoid reading from these devices if possible.
+.TP
+.BR \-\-readwrite
+Subsequent devices that are added or re-added will have the 'write-mostly'
+flag cleared.
+
+
.P
Each of these options require that the first device listed is the array
to be acted upon, and the remainder are component devices to be added,