summaryrefslogtreecommitdiffstats
path: root/Documentation
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/md.txt11
1 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/md.txt b/Documentation/md.txt
index fd43fd2cad2..a3eadf8e170 100644
--- a/Documentation/md.txt
+++ b/Documentation/md.txt
@@ -222,6 +222,17 @@ Each directory contains:
of being recoverred to
This list make grow in future.
+ errors
+ An approximate count of read errors that have been detected on
+ this device but have not caused the device to be evicted from
+ the array (either because they were corrected or because they
+ happened while the array was read-only). When using version-1
+ metadata, this value persists across restarts of the array.
+
+ This value can be written while assembling an array thus
+ providing an ongoing count for arrays with metadata managed by
+ userspace.
+
An active md device will also contain and entry for each active device
in the array. These are named