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系统做了oracle RAC,用的是SVM
现在要用磁带做系统备份,
# df -hk
Filesystem size used avail capacity Mounted on
/dev/md/dsk/d0 117G 9.4G 107G 9% /
/devices 0K 0K 0K 0% /devices
ctfs 0K 0K 0K 0% /system/contract
proc 0K 0K 0K 0% /proc
mnttab 0K 0K 0K 0% /etc/mnttab
swap 39G 1.9M 39G 1% /etc/svc/volatile
objfs 0K 0K 0K 0% /system/object
fd 0K 0K 0K 0% /dev/fd
swap 39G 23M 39G 1% /var/run
/dev/md/dsk/d2 2.0G 4.8M 1.9G 1% /global/.devices/node@1
/dev/md/dsk/d3 2.0G 4.8M 1.9G 1% /global/.devices/node@2
请问
1.备份时是执行
# ufsdump 0ucf /dev/rmt/0 /dev/md/dsk/d0
还是要让子镜像脱机,然后再备份子镜像?
再或者是用# ufsdump 0ucf dump-device / 格式,直接备文件系统?
2.关于globaldevices,d2,d3,要备份吗?备几个node? |
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