結局: 宿題, 小型UPS - 巻き戻し中(2008-08-22)

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巻き戻し中。

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2008-08-22(金) 結局 [長年日記]

_ 宿題

もうね、夜中駆けつけてから昼夜ひっくり返って気付けば夕方。

でもって、今まで月に一度だからと放置していたテープドライブへのバックアップツール作成。

おまけに離島に出張の連中はVPNが繋がらないとか何とか。。

おいらが不在の時に限って原因不明でメイン鯖もrebootしちゃう。

や　す　ま　せ　ろ　！　ｗｗ

【結構真面目に書いてみた】

#!/bin/sh
#
# Tape backup tool by H.Uekusa (For BES)
# 2008.08.22 Ver1.00
#
##########################################################################
FILEPATH="/data"
MTPATH="/usr/bin/mt"
STAT_FILE="/var/tmp/last_tape_dump_of_data"
MSG_FILE="/tmp/bkup_tape_body.txt"
T_DEV="/dev/nsa0"
TAR="/usr/bin/tar"
MAIL_PROG="/usr/bin/mail"
MAILTO_ADDRESS="hoge@hohehoge.jp"
　
##########################################################################
# Error report rutine
##########################################################################
err_report()
{
        echo "Tape has trouble?"
	echo "at $ERR_ARG"
	echo "Found error at $ERR_ARG" > $MSG_FILE
        echo "Backup tape has trouble?" >> $MSG_FILE
        echo "Please check the tape drive, or change a tape for bckup." >> $MSG_FILE
        $MTPATH offline
        $MAIL_PROG -s "BES backup tape trouble" $MAILTO_ADDRESS < $MSG_FILE
	exit
}
　
##########################################################################
# Check arguments routine
##########################################################################
chk_arg()
{
if [ "$1" = "" ];then
        echo 'Usage: dump_to_tape.sh'
        echo 'If use -data option, backup da0* to tape (1st Sunday of the Month)'
        echo 'If use -system option, backup ad0* to tape (Only for dated today!)'
	echo 'If you specify YYYYMMDD to $2(2nd arg), will backup that date of file'
        exit
fi
}
　
##########################
# Main routine from here #
##########################
chk_arg $1
　
##########################################################################
# Set specified date if $2 is not NULL
##########################################################################
DATE_now=`date +%Y%m%d`
DATE_target=`date -v1d -v+sun +%Y%m%d`
　
if [ "$2" != "" ];then
	DATE_now=`echo $2`
	DATE_target=`echo $2`
	echo "the date of $DATE_target"
fi
　
##########################################################################
# Rewind the tape-drive and check status
##########################################################################
$MTPATH rew
if [ "$?" != "0" ];then
	ERR_ARG="rewind"
	err_report
        exit
fi
　
##########################################################################
# Backup with tar command (data archives)
##########################################################################
cd $FILEPATH
　
if [ "$1" = "-data" ];then
##########################################################################
# Check for duplicate
##########################################################################
if [ -f "$STAT_FILE" ];then
	LAST_DATE=`cat $STAT_FILE`
	if [ "$DATE_target" = "$LAST_DATE" ];then
		echo "$DATE_target were backed up already!!"
		exit
	fi
fi
	if [ -f "$FILEPATH/daemon3_da0s1d_$DATE_target" ];then
		$MTPATH comp on
		$MTPATH eom
　
		sleep 10
		echo "Backing up daemon3_da0s1d_$DATE_target"
		$TAR -c -f $T_DEV ./daemon3_da0s1d_$DATE_target
		if [ "$?" != "0" ];then
			ERR_ARG=`echo "daemon3_da0s1d_$DATE_now"`
			err_report
			exit
		fi
		sleep 5
		$MTPATH weof 1
　
		sleep 10
		echo "Backing up daemon3_da0s2d_$DATE_target"
		$TAR -c -f $T_DEV ./daemon3_da0s2d_$DATE_target
		if [ "$?" != "0" ];then
			ERR_ARG=`echo "daemon3_da0s2d_$DATE_now"`
			err_report
			exit
		fi
		sleep 5
		$MTPATH weof 1
　
		sleep 10
		echo "Backing up daemon3_da0s3d_$DATE_target"
		$TAR -c -f $T_DEV ./daemon3_da0s3d_$DATE_target
		if [ "$?" != "0" ];then
			ERR_ARG=`echo "daemon3_da0s3d_$DATE_now"`
			err_report
			exit
		fi
		sleep 5
		$MTPATH weof 1
　
		sleep 10
		echo "Backing up daemon3_da0s4d_$DATE_target"
		$TAR -c -f $T_DEV ./daemon3_da0s4d_$DATE_target
		if [ "$?" != "0" ];then
			ERR_ARG=`echo "daemon3_da0s4d_$DATE_now"`
			err_report
			exit
		fi
		sleep 5
		$MTPATH weof 1
　
		sleep 10
		$MTPATH rew
		echo $DATE_target >$STAT_FILE
	else
		echo "Nothing to backup of data at $DATE_target!!"
	fi
##########################################################################
# Backup with tar command (system archives)
##########################################################################
elif [ "$1" = "-system" ];then
	if [ -f "$FILEPATH/daemon3_ad0s1a_$DATE_now" ];then
		$MTPATH comp on
		$MTPATH eom
　
		sleep 10
		echo "Backing up daemon3_ad0s1a_$DATE_now"
		$TAR -c -f $T_DEV ./daemon3_ad0s1a_$DATE_now
		if [ "$?" != "0" ];then
			ERR_ARG=`echo "daemon3_ad0s1a_$DATE_now"`
			err_report
			exit
		fi
		sleep 5
		$MTPATH weof 1
　
		sleep 10
		echo "Backing up daemon3_ad0s2e_$DATE_now"
		$TAR -c -f $T_DEV ./daemon3_ad0s2e_$DATE_now
		if [ "$?" != "0" ];then
			ERR_ARG=`echo "daemon3_ad0s2e_$DATE_now"`
			err_report
			exit
		fi
		sleep 5
		$MTPATH weof 1
　
		sleep 10
		echo "Backing up daemon3_ad0s2f_$DATE_now"
		$TAR -c -f $T_DEV ./daemon3_ad0s2f_$DATE_now
		if [ "$?" != "0" ];then
			ERR_ARG=`echo "daemon3_ad0s2f_$DATE_now"`
			err_report
			exit
		fi
		sleep 5
		$MTPATH weof 1
　
		sleep 10
		echo "Backing up daemon3_ad0s2g_$DATE_now"
		$TAR -c -f $T_DEV ./daemon3_ad0s2g_$DATE_now
		if [ "$?" != "0" ];then
			ERR_ARG=`echo "daemon3_ad0s2g_$DATE_now"`
			err_report
			exit
		fi
		sleep 5
		$MTPATH weof 1
　
		sleep 10
		echo "Backing up daemon3_ad0s3e_$DATE_now"
		$TAR -c -f $T_DEV ./daemon3_ad0s3e_$DATE_now
		if [ "$?" != "0" ];then
			ERR_ARG=`echo "daemon3_ad0s3e_$DATE_now"`
			err_report
			exit
		fi
		sleep 5
		$MTPATH weof 1
　
		sleep 10
		echo "Backing up daemon3_ad0s4e_$DATE_now"
		$TAR -c -f $T_DEV ./daemon3_ad0s4e_$DATE_now
		if [ "$?" != "0" ];then
			ERR_ARG=`echo "daemon3_ad0s4e_$DATE_now"`
			err_report
			exit
		fi
		sleep 5
		$MTPATH weof 1
　
		sleep 10
		$MTPATH rew
	else
		echo "Nothing to backup of $DATE_now!!"
	fi
else
        echo 'Hmm...Unknown option '$1
	echo 'Please try to type ./dump_to_tape.sh without option!'
        exit
fi
　
exit