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一台rp4440,系统B 11.11,由于没有MirrorDisk,所以现在单盘在运行,之前系统挂过一次,要重做系统很麻烦,我现在想使用dd复制一份,即使硬盘出问题,也能恢复到做备份的那一天,不过不知道做完dd后,这块盘是不是插在原盘的槽位就可以启动系统了?
现在系统里的单盘
disk 1 0/1/1/0.1.0 sdisk CLAIMED DEVICE HP 73.4GST373453LC
/dev/dsk/c2t1d0 /dev/rdsk/c2t1d0
Boot Definitions for Volume Group /dev/vg00:
Physical Volumes belonging in Root Volume Group:
/dev/dsk/c2t1d0 (0/1/1/0.1.0) -- Boot Disk
Boot: lvol1 on: /dev/dsk/c2t1d0
Root: lvol3 on: /dev/dsk/c2t1d0
Swap: lvol2 on: /dev/dsk/c2t1d0
Dump: lvol2 on: /dev/dsk/c2t1d0, 0
Current path "/dev/dsk/c5t0d1" is an alternate link, skip.
Current path "/dev/dsk/c5t0d2" is an alternate link, skip.
Current path "/dev/dsk/c5t0d0" is an alternate link, skip.
准备找个夜里,插上相同的盘,停掉数据库,然后(假如新盘是/dev/rdsk/c3t1d0)
dd if=/dev/rdsk/c2t1d0 of=/dev/rdsk/c3t1d0 bs=1024
结束之后如何操作,磁盘才能起来应急的作用? |
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