aix备份问题！

chr911

我这里有两台rs6000的机器，一台上有磁带机IBM1，另外一台上没有IBM2，我现在想用磁带机(IBM1)备份没有磁带机的那台机器(IBM2)上的数据，该怎么做。
我不想先把数据从没有磁带机的那台机器(IBM2)上拷到有磁带机的那台（ibm1)上，因为这样的话要专门在ibm1上开一个空间出来。

future00

Assume that the hostname of a remote machine with tape drive is IBM1
We want to backup filesytem by using remote machine's tape drive on IBM2.

At first ,please check to make sure that you could rsh to IBM1 without being prompted for a password:
# rsh IBM1
# hostname
"IBM1"
# exit

Good. If you had been prompted, we would have had to have edited the /.rhosts file on IBM1 to include a line for the user and IBM2  from which we were logging in to IBM1.
You put a blank tape in the tape drive of IBM1 and then ran these
commands:
# cd /
# find ./usr -print | backup -iqvf- | rsh IBM1 "dd of=/dev/rmt0 obs=1024"

how to read a table of contents from the tape:
# rsh IBM1 "tctl rewind"
# rsh IBM1 "restore -Tqvf /dev/rmt0" >; /tmp/backup.toc