[Q] DELL2650 frequently hang while doing file backup

[mcclnx mcc]

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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