mdcheck: add some logging.

Use 'logger' to report when mdcheck starts, stops, or continues
the check on an array.

Signed-off-by: NeilBrown <neilb@suse.com>
Signed-off-by: Jes Sorensen <jsorensen@fb.com>

diff --git a/misc/mdcheck b/misc/mdcheck
index 2c8f54d6e4cf6545cd464840c3882f0eace54d62..589d038eed9b575d7c7fd1c2ec5d3edbcd69e5f5 100644 (file)
--- a/misc/mdcheck
+++ b/misc/mdcheck
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-# Copyright (C) 2014 Neil Brown <neilb@suse.de>
+# Copyright (C) 2014-2017 Neil Brown <neilb@suse.de>
 #
 #
 #    This program is free software; you can redistribute it and/or modify
@@ -14,7 +14,7 @@
 #    GNU General Public License for more details.
 #
 #    Author: Neil Brown
-#    Email: <neilb@suse.de>
+#    Email: <neilb@suse.com>
 
 # This script should be run periodically to automatically
 # perform a 'check' on any md arrays.
@@ -94,17 +94,20 @@ do
        if [ -z "$cont" ]
        then
                start=0
+               logger -p daemon.info mdcheck start checking $dev
        elif [ -z "$MD_UUID" -o ! -f "$fl" ]
        then
                # Nothing to continue here
                continue
        else
                start=`cat "$fl"`
+               logger -p daemon.info mdcheck continue checking $dev from $start
        fi
 
        cnt=$[cnt+1]
        eval MD_${cnt}_fl=\$fl
        eval MD_${cnt}_sys=\$sys
+       eval MD_${cnt}_dev=\$dev
        echo $start > $fl
        echo $start > $sys/md/sync_min
        echo check > $sys/md/sync_action
@@ -145,6 +148,7 @@ for i in `eval echo {1..$cnt}`
 do
        eval fl=\$MD_${i}_fl
        eval sys=\$MD_${i}_sys
+       eval dev=\$MD_${i}_dev
 
        if [ -z "$fl" ]; then continue; fi
 
@@ -156,4 +160,5 @@ do
        fi
        echo idle > $sys/md/sync_action
        cat $sys/md/sync_min > $fl
+       logger -p daemon.info pause checking $dev at `cat $fl`
 done