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OS level backup

 
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# 1  
Old 01-28-2010
OS level backup
I am not a DBA or an unix admin (I am a developer) and I have a
question I need clarification for.

Recently one of our oracle ebusiness suite server (apps tier, red hat 4) crashed and the unix admin had to rebuild the server. We had backups for the file system under applmgr and oracle. And there were no other backups. so when we restored the application We were missing the OS level dependencies for E-Biz. The unix admin tells us we do not have the facility to do a complete OS backup.

So my question is what level of OS backup should we take so when we
restore, all the dependencies for the application will be available

Please advice
Thank you
# 2  
Old 01-28-2010
Could you explain what dependencies were you missing? You said you had a backup of filesystem - only some filesystems or all?
# 3  
Old 01-28-2010
well we have backed files under user oracle (for database) and another user applmgr (for application). however we other dependinces/tweaks done as root for example

java was installed (/usr/java/j2sdk1.4.2_18)
some RPMs required by oracle
GCC+ complier.

So without having to rely on documentation it would be nice to restore these.

Thanks
# 4  
Old 01-29-2010
Backup whole system then.
 
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