aix小机带库备份命令mksysb使用方法.docVIP

mksysb命令 使用mksysb命令可以把系统备份到磁带上，精确的说法是mksysb主要用于创建rootvg上已挂接文件系统(mounted file systems)的可引导映像(bootable image)，并可用于系统崩溃时的状态恢复。需要注意的是，这里的可引导映像不包含以下类别： 1、用户定义的页面空间(User-defined paging spaces)2、未挂接的文件系统(unmounted file systems)3、裸设备(raw devices) 当使用mksysb时，有时需要把一些数据文件系统排除在映像之外,可通过编辑/etc/exclude.rootvg文件来实现，比如我要排除/tmp： # cat /etc/exclude.rootvg ^./tmp/ 然后使用-e标志来执行mksysb # mksysb -e /dev/rmt0Creating information file (/image.data) for rootvg.Creating tape boot image..............bosboot: Boot image is 29316 512 byte blocks.Creating list of files to back up.Backing up 2679 files.....2679 of 2679 files (100%)0512-038 mksysb: Backup Completed Successfully.bosboot: Boot image is 29316 512 byte blocks. 我这里排除的文件系统如下： ERPDB1@/home/oraclecat /etc/exclude.rootvg^./backup_softs/^./orasofts_bak/^./orabak/^./ora_arch/ 备份方法：可通过smitty窗口或直接用命令行：1，aix下可通过smitty mksysb - Backup Device or File 选项设置备份目标地址（可选择磁带设备或文件系统），这里也可设置其他参数： ERPDB1@/home/oraclesmitty mksysb Back Up the System Type or select values in entry fields.Press Enter AFTER making all desired changes. [Entry Fields]牋?WARNING:?Execution of the mksysb command will牋牋牋牋牋牋?result in the loss of all material牋牋牋牋牋牋?previously stored on the selected牋牋牋牋牋牋?output medium. This command backs牋牋牋牋牋牋?up only rootvg volume group. * Backup DEVICE or FILE牋牋牋牋牋牋牋牋牋牋牋牋牋牋?[/dev/rmt0]?Create MAP files?牋牋牋牋牋牋牋?牋牋牋牋牋牋牋牋牋?no?EXCLUDE files?牋牋牋牋牋牋牋牋牋牋牋牋牋牋牋牋牋牋?no?List files as they are backed up?牋牋牋牋牋牋牋牋牋 no?Verify readability if tape device?牋牋牋牋牋牋牋牋?no??Generate new /image.data file?牋牋牋牋牋牋牋牋牋牋?yes?EXPAND /tmp if needed?牋牋牋牋牋牋牋牋牋牋牋牋牋牋?no?Disable software packing of backup?牋牋牋牋牋牋牋牋 no?Backup extended attributes?牋牋牋牋牋牋牋牋牋牋牋牋 yes?Number of BLOCKS to write in a single output牋牋牋 []牋牋牋 (Leave blank to use a system default) 注意这里的EXCLUDE files?要设置为yes才能使上面的/etc/exclude.root