(no commit message)

diff --git a/docs/developer/dmmirror/index.mdwn b/docs/developer/dmmirror/index.mdwn
index f5c0978..6df2960 100644 (file)
--- a/docs/developer/dmmirror/index.mdwn
+++ b/docs/developer/dmmirror/index.mdwn
@@ -54,6 +54,13 @@ volume was out of sync (for faster recovery).
 - write second copy, mark as secondary
 - flushing would be a good idea here! [1]
 
+##Writing the data
+- set the dirty flag in the bitmap
+- also set the MODIFIED flag if we run in degraded mode
+- write the actual data
+- remove the dirty bit from the bitmap
+
+
 
 
 [1] does it kill performance?