Jerry Geis wrote:
every other day I do full backups to both a second internal disk and
an external usb disk.
I am using a fully up to date centos 5.1 AMD 64 X2 6400+ machine. with
SATA disks.
using an NVIDIA chipset,
when I do a full rsync the responsiveness of my machine suffers. Slow
on the internal disk and really slow on external usb.
doing "top" shows 0% idle but only 17% CPU usage by the rsync command.
I am stunned that a 6400+ machine dual core can get this sluggish when
doing a copy to disk.
Is there something I potentially have not set right?
dmesg shows my SATA disks at UDMA133 and 1.5 Gbps.
THanks,
Jerry
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Hi
I would recommend you install the systat rpm and then use sar and iostat
commands to see if you can identify where the bottleneck is occurring.
Have a nice day
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