[CentOS] unofficial ext3 and ext4 compare

[Rudi Ahlers]

On Mon, Jun 27, 2011 at 2:10 PM, Jerry Geis <geisj at pagestation.com> wrote:
> I have something like 300G I routinely backup.
> This includes some large 12Gig images and other files.
>
> I had been using ext3 on an external USB disk for part of the process.
>
> Under ext3 doing "rsync -a /home /mnt/external_back/backup.jun.27.2011"
> it took 200 minutes.
>
> I took the same computer, same external HD and reformatted it for ext4
> (mkfs.ext4 /dev/sdd1).
> I then started the same rsync as above. The time was reduced to 170 minutes.
>
> This is on Centos 5.6 x86_64.
>
> I did notice the [ext4-dio-unwrit] process that starts up. One process
> for each core.
> I was concerned when they did not go away. But google says that is
> normal. :)
>
> Jerry
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Thanx for the feeback Jerry,


What filesystem does the  storage on the server use, as matter of interest?


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Kind Regards
Rudi Ahlers
SoftDux

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