第27/28/29次：2015-12-7/9/11星期一/星期三/星期五

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第27/28/29次：2015-12-7/9/11星期一/星期三/星期五

1. #!/bin/sh
   
2. 
   
3. for i in {0..7}
   
4. do
   
5. losetup /dev/loop$i /mnt2/a$i.img
   
6. done
   
7. 
   
8. echo "NOW TEST"
   
9. sleep 3
   
10. 
    
11. for i in {0..7}
    
12. do
    
13. losetup /dev/loop$i
    
14. done

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/etc/rc.d/init.d/rawdevices:

1. #!/bin/bash
   
2. #
   
3. # rawdevices       This shell script assignes rawdevices to block devices
   
4. #
   
5. # chkconfig: 345 56 44
   
6. # description: This scripts assignes raw devices to block devices \
   
7. #              (such as hard drive partitions). This is for the use \
   
8. #               of applications such as Oracle. You can set up the \
   
9. #               raw device to block device mapping by editing \
   
10. #               the file /etc/sysconfig/rawdevices.
    
11. #
    
12. # config: /etc/sysconfig/rawdevices
    
13. 
    
14. [ -f /bin/raw ] || exit 0
    
15. [ -f /etc/sysconfig/rawdevices ] || exit 0
    
16. # Exit if the file just has the default comments.
    
17. LC_ALL=C /bin/egrep -q -v "^ *#" /etc/sysconfig/rawdevices 2>/dev/null || exit 0
    
18. 
    
19. . /etc/init.d/functions
    
20. 
    
21. function assign_raw()
    
22. {
    
23.    LC_ALL=C egrep -v '^ *#' /etc/sysconfig/rawdevices |
    
24.    while read RAW BLOCK; do
    
25.      if [ -n "$RAW" -a -n "$BLOCK" ]; then
    
26.          rawdirname=${RAW%/*}
    
27.          if [ "$rawdirname" = "/dev" -a -d /dev/raw ]; then
    
28.            echo $"  Please correct your /etc/sysconfig/rawdevices:"
    
29.            echo $"     rawdevices are now located in the directory /dev/raw/ "
    
30.            echo $"  If the command 'raw' still refers to /dev/raw as a file."
    
31.            echo $"   you'll have to upgrade your util-linux package"
    
32.            exit 0
    
33.          fi
    
34.          if [ "$rawdirname" = "/dev/raw" -a -f /dev/raw ]; then
    
35.            echo $"  Please correct your /etc/sysconfig/rawdevices:"
    
36.            echo $"     rawdevices are now located in the directory /dev/raw/ "
    
37.            echo $"  If the command 'raw' still refers to /dev/raw as a file."
    
38.            echo $"   you'll have to upgrade your util-linux package"
    
39.            exit 0
    
40.          fi
    
41. 
    
42.        echo "           $RAW  -->   $BLOCK";
    
43.        raw $RAW $BLOCK
    
44.      fi
    
45.    done
    
46. }
    
47. 
    
48. # See how we were called.
    
49. case "$1" in
    
50.   start)
    
51.         # Assign devices
    
52.         echo $"Assigning devices: "
    
53.         assign_raw
    
54.         <font color="Red">sleep 3
    
55.         chown -R oracle:oinstall /dev/raw/
    
56.         <font color="Black">echo $"done"</font></font>
    
57.         ;;
    
58.   stop)
    
59.         # No action to be taken here
    
60.         ;;
    
61. 
    
62.   status)
    
63.         ID=`id -u`
    
64.         if [ $ID -eq 0 ]; then
    
65.           raw -qa
    
66.         else
    
67.           echo $"You need to be root to use this command ! "
    
68.         fi
    
69.         ;;
    
70. 
    
71.   restart|reload)
    
72.         $0 start
    
73.         ;;
    
74. 
    
75.   *)
    
76.         echo $"Usage: $0 {start|stop|status|restart}"
    
77.         exit 1
    
78. esac
    
79. 
    
80. exit 0

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/etc/sysconfig/rawdevices:

1. /dev/raw/raw7  /dev/sda7
   
2. /dev/raw/raw8  /dev/sda8
   
3. /dev/raw/raw9  /dev/sda9
   
4. /dev/raw/raw10  /dev/sda10
   
5. /dev/raw/raw11  /dev/sda11
   
6. /dev/raw/raw12  /dev/sda12
   
7. /dev/raw/raw13  /dev/sda13
   
8. /dev/raw/raw14  /dev/sda14
   
9. /dev/raw/raw15  /dev/sda15
   
10. /dev/raw/raw16  /dev/loop9
    
11. /dev/raw/raw17  /dev/loop8
    
12. /dev/raw/raw18   /dev/loop7
    
13. /dev/raw/raw19  /dev/loop6
    

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