[Ocfs2-users] Please urgent help required - OCFS2 and VPN again

Sunil Mushran sunil.mushran at oracle.com
Mon Dec 8 12:33:56 PST 2008


ocfs2's interconnect usage is latency sensitive. It does not use
much bandwidth. While it has small packets, it has lots of them.
It has been written with a low latency gige private interconnect
in mind.

In your setup you are using drbd which is replicating all block
writes across the interconnect. That is bandwidth sensitive.

The performance of the ocfs2 file system (all fses actually) is partly
dependant on the underlying block device. If the block device is
slow, the overall performance of the fs will be slow.

Lorenzo Milesi wrote:
> Il giorno mar, 02/12/2008 alle 12.11 -0800, Sunil Mushran ha scritto:
>   
>> The interconnect is your bottleneck.
>>     
>
> thanks for your answer. what could be the minimum bandwidth for letting
> ocfs2 work fine?
>
> thanks
>
>   




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