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| author | Neil Brown <neilb@notabene.brown> | 2008-06-27 18:31:43 -0400 |
|---|---|---|
| committer | Neil Brown <neilb@notabene.brown> | 2008-06-27 18:31:43 -0400 |
| commit | a99ac97113d5bc25ddc4d17f404c2024ac6c57f9 (patch) | |
| tree | b1848af670eb9f67961f7abc7cd5a19a07b9b37e /Documentation | |
| parent | 72a23c211e4587859d5bf61ac4962d76e593fb02 (diff) | |
Make sure all changes to md/degraded are notified.
When a device fails, when a spare is activated, when
an array is reshaped, or when an array is started,
the extent to which the array is degraded can change.
Signed-off-by: Neil Brown <neilb@suse.de>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/md.txt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/md.txt b/Documentation/md.txt index c05bfb55659e..eb6e69e3732e 100644 --- a/Documentation/md.txt +++ b/Documentation/md.txt | |||
| @@ -392,6 +392,13 @@ also have | |||
| 392 | achieved. In that case, the transition to "recover" isn't | 392 | achieved. In that case, the transition to "recover" isn't |
| 393 | notified, but the transition away is. | 393 | notified, but the transition away is. |
| 394 | 394 | ||
| 395 | degraded | ||
| 396 | This contains a count of the number of devices by which the | ||
| 397 | arrays is degraded. So an optimal array with show '0'. A | ||
| 398 | single failed/missing drive will show '1', etc. | ||
| 399 | This file responds to select/poll, any increase or decrease | ||
| 400 | in the count of missing devices will trigger an event. | ||
| 401 | |||
| 395 | mismatch_count | 402 | mismatch_count |
| 396 | When performing 'check' and 'repair', and possibly when | 403 | When performing 'check' and 'repair', and possibly when |
| 397 | performing 'resync', md will count the number of errors that are | 404 | performing 'resync', md will count the number of errors that are |