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Subject: Re: Disk performance
From: =?iso-8859-1?Q?Carlos_Re=E1tegui?= <creategui@gmail.com>
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Date: Mon, 18 Aug 2014 10:06:48 -0700
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To: users@cloudstack.apache.org

What is your network setup? =20


On Aug 18, 2014, at 10:04 AM, Jeff Crystal <JCrystal@idsi4it.com> wrote:

> No, I need a shared storage solution.  I'm wondering what others are =
using in place of NFS.  OCFS2?  GFS2? GlusterFS?  I tried setting up =
CLVM, but it seems very problematic (server won't shut down without =
manual intervention to leave the cluster, server won't join the cluster =
on boot without manual commands.  Not very enterprisey!)  I'll have to =
give Ceph a look...
>=20
> -----Original Message-----
> From: Ahmad Emneina [mailto:aemneina@gmail.com]=20
> Sent: Monday, August 18, 2014 11:52 AM
> To: Cloudstack users mailing list
> Subject: Re: Disk performance
>=20
> local storage is probably your most performant storage type... you =
dont get the awesome of HA or easy volume recovery, but if all youre =
after is performance. Thats the one.
>=20
>=20
> On Mon, Aug 18, 2014 at 8:47 AM, Randy Smith <rbsmith@adams.edu> =
wrote:
>=20
>> Jeff,
>>=20
>> I'm a big fan of ceph for clustered storage for block devices.
>>=20
>> Beyond that, there are a bunch of crazy things you can do to tune NFS=20=

>> but it's rarely worth it.
>>=20
>>=20
>> On Mon, Aug 18, 2014 at 9:10 AM, Jeff Crystal <JCrystal@idsi4it.com>
>> wrote:
>>=20
>>> Anyone have any suggestions for improving disk performance with=20
>>> Cloudstack and KVM?  Using NFS is pretty craptastic, even with=20
>>> dedicated network adapters and switches for storage traffic.
>>>=20
>>>=20
>>>=20
>>>=20
>>>=20
>>> [image: JCrystal Signature2013-1]
>>>=20
>>>=20
>>>=20
>>=20
>>=20
>>=20
>> --
>> Randall Smith
>> Computing Services
>> Adams State University
>> http://www.adams.edu/
>> 719-587-7741
>>=20