diff options
Diffstat (limited to 'mdadm.8')
-rw-r--r-- | mdadm.8 | 30 |
1 files changed, 30 insertions, 0 deletions
@@ -1183,6 +1183,14 @@ index for generating a UUID, this command will fail if it would change the UUID of an active subarray. .TP +.B \-\-update\-subarray= +If the device is a container and the argument to \-\-update\-subarray +specifies a subarray in the container, then attempt to update the given +superblock field in the subarray. See below in +.B MISC MODE +for details. + +.TP .BR \-t ", " \-\-test When used with .BR \-\-detail , @@ -1761,6 +1769,28 @@ metadata failed to find its platform components on this system .RE .TP +.B \-\-update\-subarray= +If the device is a container and the argument to \-\-update\-subarray +specifies a subarray in the container, then attempt to update the given +superblock field in the subarray. Similar to updating an array in +"assemble" mode, the field to update is selected by +.B \-U +or +.B \-\-update= +option. Currently only +.B name +is supported. + +The +.B name +option updates the subarray name in the metadata, it may not affect the +device node name or the device node symlink until the subarray is +re\-assembled. If updating +.B name +would change the UUID of an active subarray this operation is blocked, +and the command will end in an error. + +.TP .B \-\-examine The device should be a component of an md array. .I mdadm |