Support --update=homehost to allow updating of homehost information.

[thirdparty/mdadm.git] / mdadm.8

diff --git a/mdadm.8 b/mdadm.8
index 132052ad23ff1bf295a0fd881f2414d4f72510db..ebabaa4f3b9ddbb7544f9d7a53f168ba46c22421 100644 (file)
--- a/mdadm.8
+++ b/mdadm.8
@@ -651,6 +651,7 @@ argument given to this flag can be one of
 .BR summaries ,
 .BR uuid ,
 .BR name ,
+.BR homehost ,
 .BR resync ,
 .BR byteorder ,
 or
@@ -689,6 +690,14 @@ option will change the
 of the array as stored in the superblock.  This is only supported for
 version-1 superblocks.
 
+The
+.B homehost
+option will change the
+.I homehost
+as recorded in the superblock.  For version-0 superblocks, this is the
+same as updating the UUID.
+For version-1 superblocks, this involves updating the name.
+
 The
 .B resync
 option will cause the array to be marked