[Users] Very bad write performance in VM (ovirt 3.3.3)

[ml ml]

anyone?

On Friday, February 7, 2014, ml ml <mliebherr99 at googlemail.com> wrote:

> Hello List,
>
> i set up a Cluster with 2 Nodes and Glusterfs.
>
>
> gluster> volume info all
>
> Volume Name: Repl2
> Type: Replicate
> Volume ID: 8af9b282-8b60-4d71-a0fd-9116b8fdcca7
> Status: Started
> Number of Bricks: 1 x 2 = 2
> Transport-type: tcp
> Bricks:
> Brick1: node1.local:/data
> Brick2: node2.local:/data
> Options Reconfigured:
> auth.allow: *
> user.cifs: enable
> nfs.disable: off
>
>
> I turned node2 off. Just to make sure i have not network bottle neck and
> that it will not replicate for my first benchmarks.
>
>
> My first test with bonnie on my local raw disk of node1 gave me 130MB/sec
> write speed.
> Then i did the same test on my cluster dir /data: 130MB/sec
> Then i did the write test in a freshly installed Debian 7 vm: 10MB/sec
>
> This is terrible and i wonder why?!
>
> My tests where made with:
> bonnie++ -u root -s <double mem) -d <dir>
>
> Here are my bonnie results: http://oi62.tinypic.com/20aara0.jpg
>
>
> Since node2 is turned off, this cant be a network bottle neck.
>
> Any ideas?
>
> Thanks,
> Mario
>
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