古くなったWHSをTrueNAS SCALEマシンとして再生：シェルスクリプト追加編（2023年3月）

root@H342-New[~]# cat /etc/os-release 
PRETTY_NAME="Debian GNU/Linux 11 (bullseye)" 
NAME="Debian GNU/Linux" 
VERSION_ID="11" VERSION="11 (bullseye)" 
VERSION_CODENAME=bullseye 
ID=debian 
HOME_URL="https://www.debian.org/" 
SUPPORT_URL="https://www.debian.org/support" 
BUG_REPORT_URL="https://bugs.debian.org/"

root@H342-New[~]# cat /etc/vconsole.conf
# CONSOLE CONFIGURATION FILE
KEYMAP="jp"　　　　　　　　　　　　　　　　　　　<==　これが有効にならない

root@H342-New[~]# crontab -l
@reboot /usr/sbin/ethtool -s enp1s0 wol g     <==　リブートの都度、ethtoolを実行

root@H342-New[~]# ethtool enp1s0 | grep -i wake
        Supports Wake-on: pumbg
        Wake-on: g                            <==　g:wol有効、d:wol無効

root@H342-New[~]# cat /etc/fstab
boot-pool/grub  /boot/grub      zfs     relatime,defaults       0       0
tmpfs   /run/lock       tmpfs   rw,nosuid,nodev,noexec,relatime,size=100m       0       0
※　何を追加しても、再起動の都度、上記の設定に初期化されてしまう

root@H342-New[~]# crontab -l
@reboot /usr/sbin/ethtool -s enp1s0 wol g        <==　これは先ほどのwol有効化の設定

*/1 * * * *     /root/poweroff.sh                <==　NASのシャットダウン
*/1 * * * *     /root/mount-usbhdd.sh            <==　USB接続HDDのマウント
*/1 * * * *     /root/usbhdd-backup.sh           <==　USB接続HDDへのバックアップ

root@H342-New[~]# cat poweroff.sh 
#!/bin/sh
#H342 shutdown script from remote PC

if
        test -e /mnt/Pooh-san-20230325/control/shutdown/*     <==　ディレクトリ内のファイル有無を確認
then
        rm -rf /mnt/Pooh-san-20230325/control/shutdown/*      <==　ファイルがあれば、それを削除して、
        /bin/systemctl poweroff                               <==　NASをシャットダウン
else
        echo > /dev/null
fi

root@H342-New[~]# cat mount-usbhdd.sh 
#!/bin/sh
#H342 USB-HDD mount script from remote PC

if
        test -e /mnt/Pooh-san-20230325/control/mount/*      <==　ディレクトリ内のファイル有無を確認
then
        rm -rf /mnt/Pooh-san-20230325/control/mount/*       <==　ファイルがあれば、それを削除して、
        mount --types ntfs UUID=3E8A23848A2337B3 /mnt/usb8  <==　USB接続HDDをNTFSでマウント
else
        echo > /dev/null
fi

root@H342-New[~]# ls -l /dev/disk/by-uuid 
total 0
lrwxrwxrwx 1 root root 10 May  5 19:44 10109663148903458986 -> ../../sde2
lrwxrwxrwx 1 root root 10 May  5 19:43 14286568303848588196 -> ../../sda3
lrwxrwxrwx 1 root root 10 May  5 19:44 1c8a83da-205a-4a08-8a4e-1d56e84b2c7d -> ../../dm-1
lrwxrwxrwx 1 root root 10 May  5 19:44 2cb14b69-0552-4f5d-ad5a-4b45071cbb0a -> ../../dm-0
lrwxrwxrwx 1 root root 10 May  5 19:43 3E8A23848A2337B3 -> ../../sdf2　　　　　<==　USB接続HDD
lrwxrwxrwx 1 root root 10 May  5 19:43 D9E8-55A4 -> ../../sda2

root@H342-New[~]# cat usbhdd-backup.sh
#!/bin/sh
#H342 backup --> shutdown script from remote PC

mount --types ntfs UUID=3E8A23848A2337B3 /mnt/usb8           <==　NAS起動後に外付けHDDを接続してもOK

if
        test -e /mnt/Pooh-san-20230325/control/backup/*      <==　ディレクトリ内のファイル有無を確認
then
        rm -rf /mnt/Pooh-san-20230325/control/backup/*       <==　ファイルがあれば、それを削除して、
        rsync -ah --exclude '/mnt/Pooh-san-20230325/ix-applications' --log-file=/var/log/rsync/`date "+%Y%m%d-%H%M%S"`.log --delete --backup --backup-dir="/mnt/usb8/backup-$(date +%Y%m%d-%H%M%S)" /mnt/Pooh-san-20230325/ /mnt/usb8/backup-latest/ --stats > /home/admin/usbbklog-$(date +%Y%m%d-%H%M%S)
                                                             <==　USB接続HDDへバックアップ

        wait                                                 <==　バックアップが完了するまで待つ
        /bin/systemctl poweroff                              <==　バックアップ完了後、シャットダウン

else
        echo > /dev/null
fi

root@H342-New[/var/log/rsync]# cat 20230501-183301.log
　　　　　　・・・　snip　・・・             　　　　<==　ここに膨大なファイルのリストが表示される
2023/05/01 18:38:13 [15503] Number of files: 324,906 (reg: 298,363, dir: 14,181, link: 12,356, dev: 5, special: 1)
2023/05/01 18:38:13 [15503] Number of created files: 22,509 (reg: 12,527, dir: 3,021, link: 6,957, dev: 4)
2023/05/01 18:38:13 [15503] Number of deleted files: 46,562 (reg: 27,194, dir: 5,522, link: 13,846)
2023/05/01 18:38:13 [15503] Number of regular files transferred: 12,574
2023/05/01 18:38:13 [15503] Total file size: 3.49T bytes
2023/05/01 18:38:13 [15503] Total transferred file size: 725.82M bytes
2023/05/01 18:38:13 [15503] Literal data: 725.83M bytes
2023/05/01 18:38:13 [15503] Matched data: 0 bytes
2023/05/01 18:38:13 [15503] File list size: 1.25M
2023/05/01 18:38:13 [15503] File list generation time: 0.001 seconds
2023/05/01 18:38:13 [15503] File list transfer time: 0.000 seconds
2023/05/01 18:38:13 [15503] Total bytes sent: 734.97M
2023/05/01 18:38:13 [15503] Total bytes received: 7.74M
2023/05/01 18:38:13 [15503] sent 734.97M bytes  received 7.74M bytes  2.38M bytes/sec
2023/05/01 18:38:13 [15503] total size is 3.49T  speedup is 4,700.16

root@H342-New[/home/admin]# cat usbbklog-20230501-183301 

Number of files: 324,906 (reg: 298,363, dir: 14,181, link: 12,356, dev: 5, special: 1)
Number of created files: 22,509 (reg: 12,527, dir: 3,021, link: 6,957, dev: 4)
Number of deleted files: 46,562 (reg: 27,194, dir: 5,522, link: 13,846)
Number of regular files transferred: 12,574
Total file size: 3.49T bytes
Total transferred file size: 725.82M bytes
Literal data: 725.83M bytes
Matched data: 0 bytes
File list size: 1.25M
File list generation time: 0.001 seconds
File list transfer time: 0.000 seconds
Total bytes sent: 734.97M
Total bytes received: 7.74M

sent 734.97M bytes  received 7.74M bytes  2.38M bytes/sec
total size is 3.49T  speedup is 4,700.16

root@H342-New[~]# ps -ef | grep rsync
root       58239   55398  0 10:07 pts/0    00:00:00 grep rsync

root@H342-New[~]# ps -ef | grep rsync
root       58517   58497 26 10:08 ?        00:00:00 rsync -ah          <==　rsyncプロセスが起動中
root       58518   58517  0 10:08 ?        00:00:00 rsync -ah 
root       58519   58518 17 10:08 ?        00:00:00 rsync -ah 
root       59303   55398  0 10:08 pts/0    00:00:00 grep rsync

root@H342-New[~]# ping 192.168.1.100 -c 2
PING 192.168.1.100 (192.168.1.100) 56(84) bytes of data.
From 192.168.1.20 icmp_seq=1 Destination Host Unreachable
From 192.168.1.20 icmp_seq=2 Destination Host Unreachable

--- 192.168.1.100 ping statistics ---
2 packets transmitted, 0 received, +2 errors, 100% packet loss, time 1006ms
pipe 2

root@H342-New[~]# ping 192.168.1.101 -c 2
PING 192.168.1.101 (192.168.1.101) 56(84) bytes of data.
64 bytes from 192.168.1.101: icmp_seq=1 ttl=128 time=0.671 ms          <==　ping応答あり（ttl表示）
64 bytes from 192.168.1.101: icmp_seq=2 ttl=128 time=1.45 ms

--- 192.168.1.101 ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1012ms
rtt min/avg/max/mdev = 0.671/1.058/1.445/0.387 ms

root@H342-New[~]# ping 192.168.1.102 -c 2
PING 192.168.1.102 (192.168.1.102) 56(84) bytes of data.
From 192.168.1.20 icmp_seq=1 Destination Host Unreachable
From 192.168.1.20 icmp_seq=2 Destination Host Unreachable

--- 192.168.1.102 ping statistics ---
2 packets transmitted, 0 received, +2 errors, 100% packet loss, time 1015ms
pipe 2

#!/bin/bash
IP_LIST=("192.168.1.100" "192.168.1.101" "192.168.1.102")   <==　動作確認したいPCのIPアドレスを配列設定

PS=rsync                                               <==　チェックしたいプロセスを変数PSへ代入
count=`ps -ef | grep $PS | grep -v grep | wc -l`       <==　"rysnc"が表示された行数を"count"へ代入

for IP in "${IP_LIST[@]}"                              <==　配列にあるIPアドレスを変数IPへ代入
do
  result+="$(ping $IP -c 2)"                           <==　変数IPに対してping、結果を"result"へ追加

  result+="\n"                                         <==　改行で結果を区切る
done

if [ $count = 0 ] && [[ $result != *ttl* ]]; then      <==　rsyncカウントがゼロ、ping結果にttlがない場合
  /bin/systemctl poweroff                              <==　NASをシャットダウン
else
  echo > /dev/null                                     <==　ifの条件に一致しない場合、何もしない
fi

root@H342-New[~]# crontab -l
@reboot /usr/sbin/ethtool -s enp1s0 wol g        <==　wol有効化の設定

*/1 * * * *     /root/poweroff.sh                <==　NASのシャットダウン
*/1 * * * *     /root/mount-usbhdd.sh            <==　USB接続HDDのマウント
*/1 * * * *     /root/usbhdd-backup.sh           <==　USB接続HDDへのバックアップ
*/1 * * * *     /root/ping-test.sh               <==　NASの自動シャットダウン（今回追加）