[Q] DELL2650 frequently hang while doing file backup

[Brian D. McGrew]

(Disclaimer: I am not an Oracle expert, just a low end admin).

I was told to never, ever, ever do a /bin/cp on any kind of relational
database file.  I was always told that this will corrupt the file, has
the possibility of taking the server down and in general is very bad!

To backup our MySQL servers, I use the command 'mysqldump' to a text
file and then gzip it.  To backup the Oracle and MSSQL servers I have an
IBM Tivoli Storage Manager server and have the TSM agents for MS and
Oracle.  

(I know, not much help, but maybe advice that could save you a headache
in the future).  I'm not sure I'd want to try and recover from a file
that was just 'copied'.

-brian

Brian D. McGrew { brian at visionpro.com || brian at doubledimension.com }
--
> Those of you who think you know it all,
  really annoy those of us who do! 

-----Original Message-----
From: redhat-list-bounces at redhat.com
[mailto:redhat-list-bounces at redhat.com] On Behalf Of mcclnx mcc
Sent: Thursday, January 05, 2006 12:02 PM
To: as
Subject: [Q] DELL2650 frequently hang while doing file backup

we have DELL 2650 server (2 X 3.0 Ghz, 12 GB RAM) with
Redhat AS 3 update 4 installed on it (32 bits).  This server is
dedicate for ORACLE databases.  Recently this server
frequently hang whild doing ORACLE nightly backup. 
ORACLE nightly backup is "CP" command copy files from
DELL/EMC SAN to DELL 2650 server local disks(PERC
3/di).  

I alos found while doing "CP" the CPU load between 7
to 14 (NO other application running).  I wonder why
simple "cp" command will cause this high CPU load.

Please help.


Thanks



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