AIX5L系统的备份和恢复.ppt

IBM logo must not be moved, added to, or altered in any way. Background should not be modified. Title/subtitle/confidentiality line: 10pt Arial Regular, white Maximum length: 1 line Information separated by vertical strokes, with two spaces on either side Slide heading: 28pt Arial Regular, blue R120 | G137 | B251 Maximum length: 2 lines Slide body: 18pt Arial Regular, black Square bullet color: teal R045 | G182 | B179 Recommended maximum text length: 5 principal points Group name: 14pt Arial Regular, white Maximum length: 1 line Copyright: 10pt Arial Regular, white Template release: Oct 02 For the latest, go to /ibm/presentations Optional slide number: 10pt Arial Bold, white Indications in green = Live content Indications in white = Edit in master Indications in blue = Locked elements Indications in black = Optional elements IBM logo must not be moved, added to, or altered in any way. Title/subtitle/confidentiality line: 10pt Arial Regular, white Maximum length: 1 line Information separated by vertical strokes, with two spaces on either side Slide heading: 28pt Arial Regular, light blue R204 | G204 | B255 Maximum length: 2 lines Slide body: 18pt Arial Regular, white Square bullet color: green R223 | G255 | B102 Recommended maximum text length: 5 principal points Group name: 14pt Arial Regular, white Maximum length: 1 line Indications in green = Live content Indications in white = Edit in master Indications in blue = Locked elements Indications in black = Optional elements Copyright: 10pt Arial Regular, white Optional slide number: 10pt Arial Bold, white AIX 5L System Administration Leadcom IT Serivce AIX 5L 1 IBM logo must not be moved, added to, or altered in any way. Background should not be modified. Title/subtitle/confidentiality line: 10pt Arial Regular, white Maximum length: 1 line Information separated by vertical strokes, with two spaces on either side Slide heading: 28pt Arial Regular, blue R120 | G137 | B251 Maximum length: 2 lines Slide body: 18pt Arial Regular, black Square bullet color: teal R045 | G182 | B179 Recommended maximum text length: 5 principal points Group name: 14pt Arial Regular, white Maximum length: 1 line Copyright: 10pt Arial Regular, white Template release: Oct 02 For the latest, go to /ibm/presentations Optional slide number: 10pt Arial Bold, white Indications in green = Live content Indications in white = Edit in master Indications in blue = Locked elements Indications in black = Optional elements IBM logo must not be moved, added to, or altered in any way. Title/subtitle/confidentiality line: 10pt Arial Regular, white Maximum length: 1 line Information separated by vertical strokes, with two spaces on either side Slide heading: 28pt Arial Regular, light blue R204 | G204 | B255 Maximum length: 2 lines Slide body: 18pt Arial Regular, white Square bullet color: green R223 | G255 | B102 Recommended maximum text length: 5 principal points Group name: 14pt Arial Regular, white Maximum length: 1 line Indications in green = Live content Indications in white = Edit in master Indications in blue = Locked elements Indications in black = Optional elements Copyright: 10pt Arial Regular, white Optional slide number: 10pt Arial Bold, white AIX 5L System Administration Leadcom IT Serivce 本课程主要内容 一、AIX系统中的备份类型和介质的选择 二、常用的备份和恢复工具：tar,cpio,dd,fcopy 和pax 三、使用磁带的命令：tctl,mt和tcopy 四、用mksysb备份带的数据分布结构 五、恢复mksysb备份及克隆一个系统 六、用savevg备份一个用户卷组和用restvg恢复一 个用户卷组 七、用backup命令备份文件或文件系统 八、用restore命令恢复文件 2 IBM logo must not be moved, added to, or altered in any way. Background should not be modified. Title/subtitle/confidentiality line: 10pt Arial Regular, white Maximum length: 1 line Information separated by vertical strokes, with two spaces on either side Slide heading: 28pt Arial Regular, blue R120 | G137 | B251 Maximum length: 2 lines Slide body: 18pt Arial Regular, black Square bullet color: teal R045 | G182 | B179 Recommended maximum text length: 5 principal points Group name: 14pt Arial Regular, white Maximum length: 1 line Copyright: 10pt Arial Regular, white Template release: Oct 02 For the latest, go to /ibm/presentations Optional slide number: 10pt Arial Bold, white Indications in green = Live content Indications in white = Edit in master Indications in blue = Locked elements Indications in black = Optional elements IBM logo must not be moved, added to, or altered in any way. Title/subtitle/confidentiality line: 10pt Arial Regular, white Maximum length: 1 line Information separated by vertical strokes, with two spaces on either side Slide heading: 28pt Arial Regular, light blue R204 | G204 | B255 Maximum length: 2 lines Slide body: 18pt Arial Regular, white Square bullet color: green R223 | G255 | B102 Recommended maximum text length: 5 principal points Group name: 14pt Arial Regular, white Maximum length: 1 line Indications in green = Live content Indications in white = Edit in master Indications in blue = Locked elements Indications in black = Optional elements Copyright: 10pt Arial Regular, white Optional slide number: 10pt Arial Bold, white AIX 5L System Administration Leadcom IT Serivce 1.1.1备份类型 系统备份 完全备份 增量备份 3 IBM logo must not be moved, added to, or altered in any way. Background should not be modified. Title/subtitle/confidentiality line: 10pt Arial Regular, white Maximum length: 1 line Information separated by vertical strokes, with two spaces on either side Slide heading: 28pt Arial Regular, blue R120 | G137 | B251 Maximum length: 2 lines Slide body: 18pt Arial Regular, black Square bullet color: teal R045 | G182 | B179 Recommended maximum text length: 5 principal points Group name: 14pt Arial Regular, white Maximum length: 1 line Copyright: 10pt Arial Regular, white Template release: Oct 02 For the latest, go to /ibm/presentations Optional slide number: 10pt Arial Bold, white Indications in green = Live content Indications in white = Edit in master Indications in blue = Locked elements Indications in black = Optional elements IBM logo must not be moved, added to, or altered in any way. Title/subtitle/confidentiality line: 10pt Arial Regular, white Maximum length: 1 line Information separated by vertical strokes, with two spaces on either side Slide heading: 28pt Arial Regular, light blue R204 | G204 | B255 Maximum length: 2 lines Slide body: 18pt Arial Regular, white Square bullet color: green R223 | G255 | B102 Recommended maximum text length: 5 principal points Group name: 14pt Arial Regular, white Maximum length: 1 line Indications in green = Live content Indications in white = Edit in master Indications in blue = Locked elements Indications in black = Optional elements Copyright: 10pt Arial Regular, white Optional slide number: 10pt Arial Bold, white AIX 5L System Administration Leadcom IT Serivce 1.1.2 备份介质 软磁盘 磁带 CD/DVD 4 IBM logo must not be moved, added to, or altered in any way. Background should not be modified. Title/subtitle/confidentiality line: 10pt Arial Regular, white Maximum length: 1 line Information separated by vertical strokes, with two spaces on either side Slide heading: 28pt Arial Regular, blue R120 | G137 | B251 Maximum length: 2 lines Slide body: 18pt Arial Regular, black Square bullet color: teal R045 | G182 | B179 Recommended maximum text length: 5 principal points Group name: 14pt Arial Regular, white Maximum length: 1 line Copyright: 10pt Arial Regular, white Template release: Oct 02 For the latest, go to /ibm/presentations Optional slide number: 10pt Arial Bold, white Indications in green = Live content Indications in white = Edit in master Indications in blue = Locked elements Indications in black = Optional elements IBM logo must not be moved, added to, or altered in any way. Title/subtitle/confidentiality line: 10pt Arial Regular, white Maximum length: 1 line Information separated by vertical strokes, with two spaces on either side Slide heading: 28pt Arial Regular, light blue R204 | G204 | B255 Maximum length: 2 lines Slide body: 18pt Arial Regular, white Square bullet color: green R223 | G255 | B102 Recommended maximum text length: 5 principal points Group name: 14pt Arial Regular, white Maximum length: 1 line Indications in green = Live content Indications in white = Edit in master Indications in blue = Locked elements Indications in black = Optional elements Copyright: 10pt Arial Regular, white Optional slide number: 10pt Arial Bold, white AIX 5L System Administration Leadcom IT Serivce 1.1.3 备份和恢复的流程 Aix系统中的数据类型： 系统数据：操作系统及其扩展 用户数据：用户定义的文件系统中的数据 注意：系统升级及配置更新后，应做一次系统备份（ system backup ),且要对其他文件系统做一次完全备份（ full backup ). 5 IBM logo must not be moved, added to, or altered in any way. Background should not be modified. Title/subtitle/confidentiality line: 10pt Arial Regular, white Maximum length: 1 line Information separated by vertical strokes, with two spaces on either side Slide heading: 28pt Arial Regular, blue R120 | G137 | B251 Maximum length: 2 lines Slide body: 18pt Arial Regular, black Square bullet color: teal R045 | G182 | B179 Recommended maximum text length: 5 principal points Group name: 14pt Arial Regular, white Maximum length: 1 line Copyright: 10pt Arial Regular, white Template release: Oct 02 For the latest, go to /ibm/presentations Optional slide number: 10pt Arial Bold, white Indications in green = Live content Indications in white = Edit in master Indications in blue = Locked elements Indications in black = Optional elements IBM logo must not be moved, added to, or altered in any way. Title/subtitle/confidentiality line: 10pt Arial Regular, white Maximum length: 1 line Information separated by vertical strokes, with two spaces on either side Slide heading: 28pt Arial Regular, light blue R204 | G204 | B255 Maximum length: 2 lines Slide body: 18pt Arial Regular, white Square bullet color: green R223 | G255 | B102 Recommended maximum text length: 5 principal points Group name: 14pt Arial Regular, white Maximum length: 1 line Indications in green = Live content Indications in white = Edit in master Indications in blue = Locked elements Indications in black = Optional elements Copyright: 10pt Arial Regular, white Optional slide number: 10pt Arial Bold, white AIX 5L System Administration Leadcom IT Serivce 1.2备份/恢复工具 1.2.1 常用来备份的命令 tar命令用于归档文件. cpio该命令拷贝文件进出存储器和目录 dd该命令读取输入文件或标准输入进行指定的改变,然 后拷贝转换后的数据到输出文件或标准输出.可以指定 I/O块大小来更好匹配物理I/O. pax可以归档超过2G的系统dump和镜象. 6 IBM logo must not be moved, added to, or altered in any way. Background should not be modified. Title/subtitle/confidentiality line: 10pt Arial Regular, white Maximum length: 1 line Information separated by vertical strokes, with two spaces on either side Slide heading: 28pt Arial Regular, blue R120 | G137 | B251 Maximum length: 2 lines Slide body: 18pt Arial Regular, black Square bullet color: teal R045 | G182 | B179 Recommended maximum text length: 5 principal points Group name: 14pt Arial Regular, white Maximum length: 1 line Copyright: 10pt Arial Regular, white Template release: Oct 02 For the latest, go to /ibm/presentations Optional slide number: 10pt Arial Bold, white Indications in green = Live content Indications in white = Edit in master Indications in blue = Locked elements Indications in black = Optional elements IBM logo must not be moved, added to, or altered in any way. Title/subtitle/confidentiality line: 10pt Arial Regular, white Maximum length: 1 line Information separated by vertical strokes, with two spaces on either side Slide heading: 28pt Arial Regular, light blue R204 | G204 | B255 Maximum length: 2 lines Slide body: 18pt Arial Regular, white Square bullet color: green R223 | G255 | B102 Recommended maximum text length: 5 principal points Group name: 14pt Arial Regular, white Maximum length: 1 line Indications in green = Live content Indications in white = Edit in master Indications in blue = Locked elements Indications in black = Optional elements Copyright: 10pt Arial Regular, white Optional slide number: 10pt Arial Bold, white AIX 5L System Administration Leadcom IT Serivce makesysb创建一个rootvg安装镜象到一个文件或一 个可引导的磁带. savevg该命令保存非rootvg backup在备份介质上创建文件备份,有两种方式:指 定文件备份和整个系统备份(以i节点) restore该命令恢复用backup命令创建的归档文件. tctl该命令控制磁带设备. 7 IBM logo must not be moved, added to, or altered in any way. Background should not be modified. Title/subtitle/confidentiality line: 10pt Arial Regular, white Maximum length: 1 line Information separated by vertical strokes, with two spaces on either side Slide heading: 28pt Arial Regular, blue R120 | G137 | B251 Maximum length: 2 lines Slide body: 18pt Arial Regular, black Square bullet color: teal R045 | G182 | B179 Recommended maximum text length: 5 principal points Group name: 14pt Arial Regular, white Maximum length: 1 line Copyright: 10pt Arial Regular, white Template release: Oct 02 For the latest, go to /ibm/presentations Optional slide number: 10pt Arial Bold, white Indications in green = Live content Indications in white = Edit in master Indications in blue = Locked elements Indications in black = Optional elements IBM logo must not be moved, added to, or altered in any way. Title/subtitle/confidentiality line: 10pt Arial Regular, white Maximum length: 1 line Information separated by vertical strokes, with two spaces on either side Slide heading: 28pt Arial Regular, light blue R204 | G204 | B255 Maximum length: 2 lines Slide body: 18pt Arial Regular, white Square bullet color: green R223 | G255 | B102 Recommended maximum text length: 5 principal points Group name: 14pt Arial Regular, white Maximum length: 1 line Indications in green = Live content Indications in white = Edit in master Indications in blue = Locked elements Indications in black = Optional elements Copyright: 10pt Arial Regular, white Optional slide number: 10pt Arial Bold, white AIX 5L System Administration Leadcom IT Serivce 1.2.2 tar命令及其参数 -x从归档文件中解压文件 -c创建新归档文件并写入文件 -t以文件在归档中的顺序显示文件 -r 把备份的文件写到备份介质上已有文件的后面 -f Arch使用arch变量作为被读写的归档文件名 -p指明恢复时,使用原文件的权限而忽略现有的 umask设置 -v处理时列出每个文件的名字 例如： # tar -cv -f /dev/rmt0 /usr # tar -rv -f /dev/fd0 myfile # tar -xv -f /dev/rmt0 8 IBM logo must not be moved, added to, or altered in any way. Background should not be modified. Title/subtitle/confidentiality line: 10pt Arial Regular, white Maximum length: 1 line Information separated by vertical strokes, with two spaces on either side Slide heading: 28pt Arial Regular, blue R120 | G137 | B251 Maximum length: 2 lines Slide body: 18pt Arial Regular, black Square bullet color: teal R045 | G182 | B179 Recommended maximum text length: 5 principal points Group name: 14pt Arial Regular, white Maximum length: 1 line Copyright: 10pt Arial Regular, white Template release: Oct 02 For the latest, go to /ibm/presentations Optional slide number: 10pt Arial Bold, white Indications in green = Live content Indications in white = Edit in master Indications in blue = Locked elements Indications in black = Optional elements IBM logo must not be moved, added to, or altered in any way. Title/subtitle/confidentiality line: 10pt Arial Regular, white Maximum length: 1 line Information separated by vertical strokes, with two spaces on either side Slide heading: 28pt Arial Regular, light blue R204 | G204 | B255 Maximum length: 2 lines Slide body: 18pt Arial Regular, white Square bullet color: green R223 | G255 | B102 Recommended maximum text length: 5 principal points Group name: 14pt Arial Regular, white Maximum length: 1 line Indications in green = Live content Indications in white = Edit in master Indications in blue = Locked elements Indications in black = Optional elements Copyright: 10pt Arial Regular, white Optional slide number: 10pt Arial Bold, white AIX 5L System Administration Leadcom IT Serivce 1.2.3 cpio命令及其参数 n-i从标准输入读取被cpio o创建的归档名并从中 拷贝指定名字的文件 n-o从标准输入读取文件路径名并拷贝这些文件到 标准输出. n-c在ASCII字符表中读取头信息.如果用该参数归 档,在解压时必须也要使用 n-v列出文件名 9 IBM logo must not be moved, added to, or altered in any way. Background should not be modified. Title/subtitle/confidentiality line: 10pt Arial Regular, white Maximum length: 1 line Information separated by vertical strokes, with two spaces on either side Slide heading: 28pt Arial Regular, blue R120 | G137 | B251 Maximum length: 2 lines Slide body: 18pt Arial Regular, black Square bullet color: teal R045 | G182 | B179 Recommended maximum text length: 5 principal points Group name: 14pt Arial Regular, white Maximum length: 1 line Copyright: 10pt Arial Regular, white Template release: Oct 02 For the latest, go to /ibm/presentations Optional slide number: 10pt Arial Bold, white Indications in green = Live content Indications in white = Edit in master Indications in blue = Locked elements Indications in black = Optional elements IBM logo must not be moved, added to, or altered in any way. Title/subtitle/confidentiality line: 10pt Arial Regular, white Maximum length: 1 line Information separated by vertical strokes, with two spaces on either side Slide heading: 28pt Arial Regular, light blue R204 | G204 | B255 Maximum length: 2 lines Slide body: 18pt Arial Regular, white Square bullet color: green R223 | G255 | B102 Recommended maximum text length: 5 principal points Group name: 14pt Arial Regular, white Maximum length: 1 line Indications in green = Live content Indications in white = Edit in master Indications in blue = Locked elements Indications in black = Optional elements Copyright: 10pt Arial Regular, white Optional slide number: 10pt Arial Bold, white AIX 5L System Administration Leadcom IT Serivce n-d当需要的时候创建目录 n-u无条件拷贝,相同名字会覆盖 n-m保留文件的以前修改时间.如果拷贝目录时,该 参数无用 n-B以512字节的块完成块的I/O 例如：ls |cpio -ov /dev/rfs0 find . print |cpio ov /dev/rmt0