Date: Wed, 24 Jul 2002 09:05:42 -0700 From: Michelle Weeks <tristan11@mindspring.com> To: Steve Wingate <steve@velosystems.net> Cc: freebsd-questions@freebsd.org Subject: Re: Backup Scripts Message-ID: <344F6F4A-9F1F-11D6-9948-00039368B8EC@mindspring.com> In-Reply-To: <20020723222159.0ad98bfd.steve@velosystems.net>
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On Tuesday, July 23, 2002, at 10:21 PM, Steve Wingate wrote:
> On Tue, 23 Jul 2002 20:43:10 -0700
> Michelle Weeks <tristan11@mindspring.com> wrote:
>
> ////////////////////////////////
>> I am new to scripting and am trying to use the below script I found to
>> run backups of our FreeBSD 4.5 server, but I keep getting the error:
>>
>> Level-backup.sh Backup Tue Jul 23 21:04:22 PDT 2002
>> Error: Level-backup.sh unknown
>>
>> Since I am new at this, I am probably missing something very obvious.
>> I would greatly appreciate any help or advice as to where I can find
>> more info. on creating backup scripts for FreeBSD.
>>
>>
>> Here is the script I am using:
>>
>>
>> # Variables
>> EMAILTO=backup
>> DESTFILE=/dev/nrsa0
>> BACKUPFILES="/var /usr/home"
>> BACKUPDIR=${HOME}/backup
>> LEVEL=${0}
>>
>> # Load backup functions
>> cd ${BACKUPDIR}
>> . backup-functions
>>
>> # Do the backup
>> tar_backup
>>
>> # Test the backup for errors
>> tar_verify
>>
>> # Email the backup report
>> mail_report
>>
>> # Done
>> exit
>>
>> and here is the .backup-functions file for the shell script:
>>
>> # Variables
>> L0DATESTAMP="${BACKUPDIR}/.level0_datestamp"
>> NOW=`date`
>>
>> # tar_backup function: does the archiving
>> tar_backup ()
>> {
>> echo "Level-${LEVEL} Backup ${NOW}"
>> if [ "${LEVEL}" = "0" ]; then
>> # make Level-0 datestamp
>> echo ${NOW} > ${L0DATESTAMP}
>> # Level-0 backup
>> tar --create --verbose \
>> --file ${DESTFILE} \
>> --blocking-factor 126 \
>> --label "Level-${LEVEL} Backup ${NOW}" \
>> ${BACKUPFILES}
>> elif [ "${LEVEL}" = "1" ]; then
>> # get last Level-0 datestamp
>> LAST=`cat ${L0DATESTAMP}`
>> # Level-1 backup
>> tar --create --verbose \
>> --file ${DESTFILE} \
>> --blocking-factor 126 \
>> --after-date "${LAST}" \
>> --label "Level-${LEVEL} Backup from ${LAST} to ${NOW}" \
>> ${BACKUPFILES}
>> else
>> # Backup level error
>> echo "Error: Level-${LEVEL} unknown"
>> exit
>> fi
>> echo "Level-${LEVEL} Backup END"
>> }
>>
>> # tar_verify function: test the archive for errors
>> tar_verify ()
>> {
>> echo "Level-${LEVEL} Backup Verify ${NOW}"
>> # Backup verify test
>> tar --list --verbose \
>> --file ${DESTFILE} \
>> --blocking-factor 126
>> echo "Level-${LEVEL} Backup Verify END"
>> }
>>
>> # mail_report function: sends backup report
>> mail_report ()
>> {
>> # Email backup report
>> mail -s "Level-${LEVEL} Backup" "${EMAILTO}" << EOF
>>
>> ###########################################################
>> Level-${LEVEL} Backup
>> ###########################################################
>>
>> Host: ${HOSTNAME}
>> Files: ${BACKUPFILES}
>>
>> Destination: ${DESTFILE}
>>
>> ###########################################################
>> Started: ${NOW}
>> Completed: `date`
>> ###########################################################
>>
>> EOF
>> }
>>
>>
>> To Unsubscribe: send mail to majordomo@FreeBSD.org
>> with "unsubscribe freebsd-questions" in the body of the message
>
> ////////////////////////////////
>
> My shell scripting skills are next to non-existent but I think I see a
> problem with your variables at the beginning, specifically:
>
> LEVEL=${0}
>
> You're setting a variable to a variable but never defining the absolute
> value. It seems to me the equivalent of saying:
>
> "my name is my name is my name is....infinity"
>
> Trying changing "LEVEL=${0}" to "LEVEL=0" and running it again, just for
> kicks.
This was my problem. I then had to take out the blocking level in the
backup-functions, but now it works! Thank you!!!
>
>
>
>
>
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