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一、iscsi网络存储 1.1 配置FreeNAS 考虑专业的磁盘柜价格不菲，而使用服务器的方式一方面磁盘容量有限，另一方面IO的性能也很难保障。FreeNAS是一套免费的NAS服务器，它能将一部普通PC变成网络存储服务器。用户可通过Windows、Macs、FTP、SSH 及网络文件系统 (NFS) 来访问存储服务器。 我们通过它来组建符合企业使用的备份存储设备，该系统具体的安装步骤可参考相关资源。这里通过启用iscsi功能实现网络备份存储，相关设置如下图。 
1.2 配置iscsi客户端 iSCSI的服务器端已经在FreeNAS上完成配置，接下来需要在linux系统上完成客户端的配置，实现在客户端对网络存储的挂载。 首先安装相关的系统组件并完成配置文件的修改。 yum -y install iscsi-initiator-utils vi /etc/iscsi/initiatorname.iscsi InitiatorName=iqn.2016-06.com.redhat:82367514497d#客户端的标记 接下来修改主要的配置文件。 vi /etc/iscsi/iscsid.conf node.session.auth.authmethod = CHAP#根据freenas的设置修改node.session.auth.username = myj.5.199node.session.auth.password = testtesttestdiscovery.sendtargets.auth.authmethod = CHAP#根据freenas的设置修改discovery.sendtargets.auth.username = backup.myjdiscovery.sendtargets.auth.password = testtesttest
完成设置后通过以下指令查看配置和连接情况。 iscsiadm -m discovery -t sendtargets -p 192.168.5.199iscsiadm -m node -o show 
1.3 配置开机自动挂载 完成iSCSI的配置后，接下来配置开机自动挂载及相应的服务自动启动设定，具体系统分区操作略。 systemctl enable iscsid.serviceiscsiadm -m node -T iqn.2005-10.org.freenas.ctl:backu-10ttarget -p 192.168.5.199 --op update -n node.startup -v automaticLs -l /dev/disk/by-uuidBlkid /dev/sdc1 
二、备份存储设置 2.1 配置bacula-dir.conf JobDefs { Name = 'DefaultJob' Type = Backup Level = Incremental Client = bak-192.168.0.97 FileSet = 'Windows' Schedule = 'WeeklyCycle' Storage = windows-file Messages = Standard Pool = Default Full Backup Pool = full-pool Incremental Backup Pool = inc-pool Differential Backup Pool = diff-pool SpoolAttributes = yes Priority = 10 Write Bootstrap = '/var/spool/bacula/%h.bsr'}Job { Name = 'bak-192.168.0.97' JobDefs = 'DefaultJob'}Job{ Name = 'bak-192.168.5.86' Type = Backup Level = Incremental Client = bacula-fd FileSet = 'Bacula Set' Schedule = 'WeeklyCycle' Storage = linux-file Messages = Standard Pool = Default Full Backup Pool = full-pool Incremental Backup Pool = inc-pool Differential Backup Pool = diff-pool SpoolAttributes = yes Priority = 10 Write Bootstrap = '/var/spool/bacula/%h.bsr'}Job { Name = 'BackupCatalog' JobDefs = 'DefaultJob' Level = Full FileSet='Catalog' Schedule = 'WeeklyCycleAfterBackup' # This creates an ASCII copy of the catalog # Arguments to make_catalog_backup.pl are: # make_catalog_backup.pl <catalog-name> RunBeforeJob = '/usr/libexec/bacula/make_catalog_backup.pl MyCatalog' # This deletes the copy of the catalog RunAfterJob = '/usr/libexec/bacula/delete_catalog_backup' Write Bootstrap = '/var/spool/bacula/%n.bsr' Priority = 11 # run after main backup}Job { Name = 'RestoreFiles' Type = Restore Client=bacula-fd FileSet='Bacula Set' Storage = linux-file Pool = Default Full Backup Pool = full-pool Incremental Backup Pool = inc-pool Differential Backup Pool = diff-pool Messages = Standard Where = /tmp/bacula-restores}FileSet { Name = 'Windows' Include { Options { signature = MD5 compression = GZIP IgnoreCase = yes } File = 'e:/datatbak' }}FileSet { Name = 'Bacula Set' Include { Options { signature = MD5 Compression = GZIP } File = /var/lib/mysql } Exclude { File = /var/spool/bacula File = /tmp File = /proc File = /tmp File = /sys File = /.journal File = /.fsck }}Schedule { Name = 'WeeklyCycle' Run = Full 1st sun at 23:05 Run = Differential 2nd-5th sun at 23:05 Run = Incremental mon-sat at 23:05}Schedule { Name = 'WeeklyCycleAfterBackup' Run = Full sun-sat at 23:10}FileSet { Name = 'Catalog' Include { Options { signature = MD5 } File = '/var/spool/bacula/bacula.sql' }}Client { Name = bak-192.168.0.97 Address = 192.168.0.97 FDPort = 9102 Catalog = MyCatalog Password = 'IYN0eZTw2BrRcA/MNGCwGHb9OrHDRykMMF8jSxtA7zUF' # password for FileDaemon File Retention = 15 days # 60 days Job Retention = 1 months # six months AutoPrune = yes # Prune expired Jobs/Files}Storage { Name = windows-file# Do not use 'localhost' here Address = 192.168.5.86 # N.B. Use a fully qualified name here SDPort = 9103 Password = '4UMQ2b+Il8HiPxXotZLCzUhNfXasKRFlVOeOFNN0m5XS' Device = FileChgr-windows Media Type = File Maximum Concurrent Jobs = 10 # run up to 10 jobs a the same time}Storage { Name = linux-file# Do not use 'localhost' here Address = 192.168.5.86 # N.B. Use a fully qualified name here SDPort = 9103 Password = '4UMQ2b+Il8HiPxXotZLCzUhNfXasKRFlVOeOFNN0m5XS' Device = FileChgr-linux Media Type = File Maximum Concurrent Jobs = 10 # run up to 10 jobs a the same time}Catalog { Name = MyCatalog dbname = 'bacula'; dbuser = 'bacula'; dbpassword = 'www.myj123.com'}Pool { Name = Default Pool Type = Backup Recycle = yes # Bacula can automatically recycle Volumes AutoPrune = yes # Prune expired volumes Volume Retention = 30 days # one year Maximum Volume Bytes = 150G # Limit Volume size to something reasonable Maximum Volumes = 100 # Limit number of Volumes in Pool}Pool { Name = File Pool Type = Backup Recycle = yes # Bacula can automatically recycle Volumes AutoPrune = yes # Prune expired volumes Volume Retention = 30 days # one year Maximum Volume Bytes = 150G # Limit Volume size to something reasonable Maximum Volumes = 100 # Limit number of Volumes in Pool Label Format = 'Vol-' # Auto label}pool{ Name = full-pool Pool Type = Backup Recycle = yes AutoPrune = yes Maximum Volume Jobs = 1 Volume Retention = 15 days Maximum Volumes = 30 Label Format = 'Full-${Year}-${Month:p/2/0/r}-${Day:p/2/0/r}-id${JobId}'}pool{ Name = diff-pool Pool Type = Backup Recycle = yes AutoPrune = yes Maximum Volume Jobs = 1 Volume Retention = 30 days Maximum Volumes = 60 Label Format = 'Diff-{Year}-${Month:p/2/0/r}-${Day:p/2/0/r}-id${JobId}'}pool{ Name = inc-pool Pool Type = Backup Recycle = yes AutoPrune = yes Maximum Volume Jobs = 6 Volume Retention = 20 days Maximum Volumes = 150 Maximum Volume Bytes = 200G Label Format = 'Inc-${Year}-${Month:p/2/0/r}-${Day:p/2/0/r}-id${JobId}'}# Scratch pool definitionPool { Name = Scratch Pool Type = Backup}
2.2 配置bacula-sd.conf Device { Name = FileChgr-windows Media Type = File Archive Device = /backup/windows LabelMedia = yes; # lets Bacula label unlabeled media Random Access = Yes; AutomaticMount = yes; # when device opened, read it RemovableMedia = no; AlwaysOpen = no; Maximum Concurrent Jobs = 5}Device { Name = FileChgr-linux Media Type = File Archive Device = /backup/linux LabelMedia = yes; # lets Bacula label unlabeled media Random Access = Yes; AutomaticMount = yes; # when device opened, read it RemovableMedia = no; AlwaysOpen = no; Maximum Concurrent Jobs = 5}
三、图形界面配置 bacula默认的安装是字符界面（其实也有基于QT环境的GUI界面，考虑性能和所依赖的安装包太多，没有使用）。第三方的工具有基于WEB的界面报告，基本上可以满足日常需要。 
3.1 安装相关组件 yum install httpd php php-gd php-gettext php-mysql php-pdosystemctl enable httpd.servicesystemctl start httpd.servicefirewall-cmd --permanent --add-port=80/tcpfirewall-cmd --reloadcd /var/www/htmlcurl -O http://www./files//downloads/bacula-web-latest.tgzmkdir -v /var/www/html/baculatar -xzf bacula-web-latest.tgz -C /var/www/html/baculachown -Rv apache: /var/www/html/baculacd application/configcp -v config.php.sample config.phpchown -v apache: config.php 3.2 配置文件 vi config.php $config['language'] = 'en_EN';$config[0]['label'] = 'Backup Server';$config[0]['host'] = 'localhost';$config[0]['login'] = 'bacula';$config[0]['password'] = 'verystrongpassword';$config[0]['db_name'] = 'bacula';$config[0]['db_type'] = 'mysql';$config[0]['db_port'] = '3306';
vi /etc/php.ini date.timezone = Asia/Shanghaivim /etc/httpd/conf.d/bacula.conf
3.3 测试 
企业级的开源备份工具Bacula之配置 http://waringid.blog.51cto.com/65148/1793512
企业级的开源备份工具Bacula之安装 http://waringid.blog.51cto.com/65148/1792007
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