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---+ Backup da Área Web e Home ---++Description Para fazer o backup da área web utilizamos a fita dat e o crontab. O backup esta agendado para todo dia as 02h da manhã. Incluimos no crontab: <pre> [root@sprace ~]# crontab -e 00 02 * * 1-7 /bin/tar -cjvpf /dev/st0 /export/html /etc /var/www /export/home > /dev/null 2> /root/backup.log </pre> Isso irá escrever um log no /root/backup.log. Para visualizar o backup use <pre> tar -tjvf /dev/st0 </pre> ---++Updates O crontab foi modificado: semanalmente (domingo) fazemos um backup full em disco (/disk1/backup-full-data_do_dia.tar.bz2), removendo o anterior para salvar espaco. Diariamente as 02h fazemos um incremental. <pre> 00 04 * * 1 rm /disk1/backup-full-*.tar.bz2;/bin/tar -cjvpf /disk1/backup-full-`date +%Y%m%d`.tar.bz2 /export/html /etc /var/www /export/home 00 02 * * 1-7 mt -f /dev/st0 rewind; /bin/tar -cjvpf /dev/st0 --label="incremental-backup created on `date '+%d-%B-%Y'`." -N `date` /export/html /etc /var/www /export/home > /dev/null 2> /root/backup.log </pre> ---++Updates Devido a um erro nas aspas coloquei tudo em scripts no /root/backup. Ainda foi colocada a opcao i no tar para ignorar os EOF <pre> [root@sprace backup]# crontab -e 00 04 * * 1 /root/backup/backup_semanal.sh 00 02 * * 1-7 /root/backup/backup_diario.sh [root@sprace backup]# more backup_diario.sh #!/bin/bash mt -f /dev/st0 rewind; /bin/tar -icjvpf /dev/st0 -N `date +%Y%m%d` /export/html /etc /var/www /export/home/novaes > /dev/null 2> /root/backup/backup.log [root@sprace backup]# more backup_semanal.sh #!/bin/bash rm /disk1/backup-full*.tar.bz2;/bin/tar -icjvpf /disk1/backup-full`date +%Y%m%d`.tar.bz2 /export/html /etc /var/www /export/home /OSG ; cd /raid0/sprace_backup;rm -rf /raid0/sprace_backup/semana1;mv /raid0/sprace_backup/semana2 /raid0/sprace_backup/semana1;mv /raid0/sprace_backup/semana3 /raid0/sprace_backup/semana2;cp -al /raid0/sprace_backup/semana4 /raid0/sprace_backup/semana3;rsync -avz --delete /export/html /raid0/sprace_backup/semana4/;rsync -avz /etc /raid0/sprace_backup/semana4/;rsync -avz --delete /var/www /raid0/sprace_backup/semana4/;rsync -avz --delete /export/home /raid0/sprace_backup/semana4/;rsync -avz --delete /OSG /raid0/sprace_backup/semana4/; </pre> O backup é rodado no em /raid0/sprace_backup, o mais velho em semana1, feito usando o rsync. ---++ Atualização 02/06/2008 O backup passa a ser dirigido não para o /raid0 e sim para a evo.sprace.org.br. Esta maquina aceita somente autenticação por chaves, desabilitando a autenticação por senha. <pre> #!/bin/bash mount /OSG; ssh evo.sprace.org.br 'cd /scratch/sprace_backup;rm -rf /scratch/sprace_backup/semana1;mv /scratch/sprace_backup/semana2 /scratch/sprace_b ackup/semana1;mv /scratch/sprace_backup/semana3 /scratch/sprace_backup/semana2;cp -al /scratch/sprace_backup/semana4 /scratch/sprace_backup/semana3';r sync -avz --delete /export/html evo.sprace.org.br:/scratch/sprace_backup/semana4/;rsync -avz /etc evo.sprace.org.br:/scratch/sprace_backup/semana4/; rsync -avz --delete /var/www evo.sprace.org.br:/scratch/sprace_backup/semana4/;rsync -avz --delete /export/home evo.sprace.org.br:/scratch/sprace_bac kup/semana4/;rsync -avz --delete /OSG evo.sprace.org.br:/scratch/sprace_backup/semana4/;umount /OSG </pre> ---++ Atualização 26/10/2008 Para os backups do /OSG estamos usando um disco montado via nfs da access: <pre> cd /root/backup/ vim backup_diario.sh ============== montado=`df -h | grep /hdacs` if [ -z "$montado" ]; then echo "Diretorio nao montado" exit 1 else rsync -av --delete /opt/osg-1.0.0 /hdacs/BCKP/OSG/ rsync -avz -e "ssh -i /home/mdias/.ssh/id_rsa -l mdias" osgse:/opt/d-cache /hdacs/BCKP/dCache/ rsync -av --delete /etc /hdacs/BCKP/etc-osgce/ fi ============== chmod +x backup_diario.sh mkdir /hdacs/BCKP/OSG mkdir /hdacs/BCKP/dCache mkdir /hdacs/BCKP/etc-osgce mkdir /hdacs/BCKP/certificados crontab -e 00 02 * * 1-7 /root/backup/backup_diario.sh su - mdias ssh-keygen -t rsa #na osg-ce vim .ssh/authorized_keys #copie o conteudo de .ssh/id_rsa.pub da osg-ce lá </pre> os outros backups ainda não foram implementados (/home da spweb e área web)
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Topic revision: r10 - 2008-10-26
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MarcoAndreFerreiraDias
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