diff options
Diffstat (limited to 'Documentation/md.txt')
-rw-r--r-- | Documentation/md.txt | 17 |
1 files changed, 5 insertions, 12 deletions
diff --git a/Documentation/md.txt b/Documentation/md.txt index 084ecf4eb2f8..9ae9e4078985 100644 --- a/Documentation/md.txt +++ b/Documentation/md.txt | |||
@@ -154,11 +154,12 @@ contains further md-specific information about the device. | |||
154 | 154 | ||
155 | All md devices contain: | 155 | All md devices contain: |
156 | level | 156 | level |
157 | a text file indicating the 'raid level'. This may be a standard | 157 | a text file indicating the 'raid level'. e.g. raid0, raid1, |
158 | numerical level prefixed by "RAID-" - e.g. "RAID-5", or some | 158 | raid5, linear, multipath, faulty. |
159 | other name such as "linear" or "multipath". | ||
160 | If no raid level has been set yet (array is still being | 159 | If no raid level has been set yet (array is still being |
161 | assembled), this file will be empty. | 160 | assembled), the value will reflect whatever has been written |
161 | to it, which may be a name like the above, or may be a number | ||
162 | such as '0', '5', etc. | ||
162 | 163 | ||
163 | raid_disks | 164 | raid_disks |
164 | a text file with a simple number indicating the number of devices | 165 | a text file with a simple number indicating the number of devices |
@@ -192,14 +193,6 @@ All md devices contain: | |||
192 | 1.2 (newer format in varying locations) or "none" indicating that | 193 | 1.2 (newer format in varying locations) or "none" indicating that |
193 | the kernel isn't managing metadata at all. | 194 | the kernel isn't managing metadata at all. |
194 | 195 | ||
195 | level | ||
196 | The raid 'level' for this array. The name will often (but not | ||
197 | always) be the same as the name of the module that implements the | ||
198 | level. To be auto-loaded the module must have an alias | ||
199 | md-$LEVEL e.g. md-raid5 | ||
200 | This can be written only while the array is being assembled, not | ||
201 | after it is started. | ||
202 | |||
203 | layout | 196 | layout |
204 | The "layout" for the array for the particular level. This is | 197 | The "layout" for the array for the particular level. This is |
205 | simply a number that is interpretted differently by different | 198 | simply a number that is interpretted differently by different |