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Hello,
To take a cold backup of an Oracle DB, our system engineer used the following command :
tar cf - /data/oracle/instance1 | compress - > /SAVE/cold_backup_instance1.tar.Z
(All db files are under instance1. About 4.5 Gb).
Anyone could give me a simple way to restaure from : cold_backup_instance1.tar.Z
I tried few commands (uncompress and tar -xf in the same time) but it seems that the system
try to uncompress and then extract files (with tar x) : but the operation ends when the tar
file reachs 2 Go ... (file size limit in our system : HP-UX 10.20 is 2Go)
Any idea (unsing named pipe for example ...)
Thanks a lot
Sofiane
Sofiane
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Here is what we use to import > 2g compressed files, by using a pipe.
#! /bin/ksh
rm -r /tmp/exp_pipe
rm -r /tmp/imp_pipe
mknod /tmp/imp_pipe p
uncompress < path/filename > /tmp/imp_pipe & imp user/password file=/tmp/imp_pipe log=path/filename commit=y
I am new to this and am not sure how this actually works. But it does. Can anyone elaborate on the pipe process?
Kathy
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try this:
zcat /SAVE/cold_backup_instance1.tar.Z | tar xvf -
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