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Diffstat (limited to 'Documentation/md.txt')
| -rw-r--r-- | Documentation/md.txt | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/md.txt b/Documentation/md.txt index 7b3d471bb9f..b8d172b254f 100644 --- a/Documentation/md.txt +++ b/Documentation/md.txt @@ -200,6 +200,14 @@ All md devices contain: This can be written only while the array is being assembled, not after it is started. + new_dev + This file can be written but not read. The value written should + be a block device number as major:minor. e.g. 8:0 + This will cause that device to be attached to the array, if it is + available. It will then appear at md/dev-XXX (depending on the + name of the device) and further configuration is then possible. + + As component devices are added to an md array, they appear in the 'md' directory as new directories named dev-XXX |