kraemer at avarteq
Jun 14, 2012, 11:35 PM
Post #6 of 8
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Hey Joe,
Am Montag, den 11.06.2012, 08:01 -0600 schrieb Joe Topjian:
> Hi Heiko,
>
>
> Thank you for the information.
>
>
> With regard to your cloudway, do you find that you get acceptable
> transfer rates given your NFS service is hosted in an instance - or do
> you see a noticeable decrease in performance due to virtualization
> overhead?
>
hmmm not good but acceptable. I'm using kvm atm with virtio drivers and
the transfer rate is ok. I think you shold decide matching the
respective application pupose if the transfer rate enough or not.
>
> How many instances are using your cloud NFS server?
>
It's a cluster of servers. I'm using glusterfs and a loadbalancing with
write protection.
I can't get an answer of this question for "one" server. You have to
many facts (like lan throughput, hdd capacity, hdd performance and so
on) to answer this.
Cheers
Heiko
>
> Thanks again,
> Joe
>
>
> On Mon, Jun 11, 2012 at 5:28 AM, Heiko Krämer <kraemer [at] avarteq>
> wrote:
> Hey Guys,
>
> so i'm using NFS with OpenStack.
> I see two solutions, the cloud way and the "shared services"
> way :).
>
> Cloudway:
> * Attach a volume to your NFS instance.
> * Mount the attached volume to /var/exports/ or where ever you
> want. But
> you need to configure this in NFS.
> * Export you directories to the various fixed IP's of your
> internal network
>
> => Instance failes ..... so i'm using chef to install and
> configure all
> my instances automatically. It's no problem then if the
> instance go in
> error state. Maybe a reboot of the instance helps but if not
> you need an
> automation.
>
>
> Shared services:
> We use a couple of shared services like DB-Clusters (postgres,
> mysql,
> mongodb), rabbitmq, mailserver and NFS.
> But this way is more complex because you need static routes on
> each
> compute node. Melange can configure static routes but i think
> it's to
> oversized to use melange only for routing. So changed the code
> of the
> network manager to configure my routes. It's not a big deal
> beacuase i
> need only 2 static routes ;)
>
> I hope this short answer helps you a little bit or shows an
> other way :>
>
>
> Greetings
> Heiko
>
> Am 10.06.2012 11:29, schrieb Igor Laskovy:
> > +1 to this request! This is very interested to me too.
> >
> > On Sat, Jun 9, 2012 at 6:37 PM, Joe Topjian
> <joe.topjian [at] cybera> wrote:
> >> Hello,
> >>
> >> I did not want to diverge too far off topic with the
> current Live Migration
> >> thread.
> >>
> >> I'm wondering if anyone would mind sharing their NFS
> implementation
> >> details?
> >>
> >> For example: have you settled on a ratio of NFS Servers to
> Compute Nodes?
> >> Are you using NFS service on Linux or a commercial filer
> such as a NetApp
> >> appliance?
> >>
> >> Diego mentioned using NFS for all aspects of OpenStack -
> including volumes.
> >> I was wondering if you could explain that a little bit
> more?
> >>
> >> Thanks,
> >> Joe
> >>
> >> --
> >> Joe Topjian
> >> Systems Administrator
> >> Cybera Inc.
> >>
> >> www.cybera.ca
> >>
> >> Cybera is a not-for-profit organization that works to spur
> and support
> >> innovation, for the economic benefit of Alberta, through
> the use
> >> of cyberinfrastructure.
> >>
> >>
> >> _______________________________________________
> >> Openstack-operators mailing list
> >> Openstack-operators [at] lists
> >>
> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators
> >>
> >
> >
>
> --
>
> B. Sc. Informatik
> Heiko Krämer
> CIO/Administrator
>
> Twitter: @railshoster
> Avarteq GmbH
> Zweigstelle:
> Prinzessinnenstr. 20, 10969 Berlin
>
> ----
> Geschäftsführer: Alexander Faißt, Dipl.-Inf.(FH) Julian
> Fischer
> Handelsregister: AG Saarbrücken HRB 17413, Ust-IdNr.:
> DE262633168
> Sitz:
> Science Park 2
> 66123 Saarbrücken
>
> Tel: +49 (0)681 / 309 64 190
> Fax: +49 (0)681 / 309 64 191
>
> Visit:
> http://www.enterprise-rails.de/
>
>
> _______________________________________________
> Openstack-operators mailing list
> Openstack-operators [at] lists
> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators
>
>
>
>
>
> --
> Joe Topjian
> Systems Administrator
> Cybera Inc.
>
>
> www.cybera.ca
>
>
> Cybera is a not-for-profit organization that works to spur and support
> innovation, for the economic benefit of Alberta, through the use
> of cyberinfrastructure.
>
>
--
B. Sc. Informatik
Heiko Krämer
CIO/Administrator
Twitter: @railshoster
Avarteq GmbH
Zweigstelle:
Prinzessinnenstr. 20, 10969 Berlin
----
Geschäftsführer: Alexander Faißt, Dipl.-Inf.(FH) Julian Fischer
Handelsregister: AG Saarbrücken HRB 17413, Ust-IdNr.: DE262633168
Sitz:
Science Park 2
66123 Saarbrücken
Tel: +49 (0)681 / 309 64 190
Fax: +49 (0)681 / 309 64 191
Visit:
http://www.enterprise-rails.de/
_______________________________________________
Openstack-operators mailing list
Openstack-operators [at] lists
http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators
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