[Gluster-users] Storage Cluster Question

[Nathan Stratton]

On Mon, 29 Jun 2009, Todd Daugherty wrote:

> I have not used it in production yet but I did a test with:
> http://gluster.org/docs/index.php/Translators/cluster/stripe
>
> That was quite nice across 8 servers for Quicktime files (average file 1GB).
>
> Why would you say no to Xen VM files?

Because with xen you need to --disable-direct-io-mode to get it to work 
and that kills performance.

Raw disk:
8589934592 bytes (8.6 GB) copied, 21.0523 seconds, 408 MB/s

Gluster:
8589934592 bytes (8.6 GB) copied, 47.4356 seconds, 181 MB/s

Gluster --disable-direct-io-mode
8589934592 bytes (8.6 GB) copied, 336.514 seconds, 25.5 MB/


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Nathan Stratton                                CTO, BlinkMind, Inc.
nathan at robotics.net                         nathan at blinkmind.com
http://www.robotics.net                        http://www.blinkmind.com