增加安装使用手册

1 files changed, 21 insertions, 0 deletions

diff --git a/bin/dd_r3 b/bin/dd_r3
new file mode 100644
index 0000000..389d6e3
--- /dev/null
+++ b/bin/dd_r3
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+while [ 1 ]; do
+	count=`ls -l core.* |wc -l`
+        echo $count
+        if [ $count -lt 5 ]
+        then
+                echo "set unlimited"
+                ulimit -c unlimited
+        else
+                ulimit -c 0
+        fi
+
+        dd_num=`ps -ef|grep dd$|wc -l`
+        if [ $dd_num -lt 1 ]
+        then
+	     ./dd &>/dev/null & 
+             echo program crashed, restart at `date +"%w %Y/%m/%d, %H:%M:%S"` >> RESTART.log
+        fi
+        sleep 10
+done