[Ocfs2-users] IO size and cluster size

[Herbert van den Bergh]

You can find the average I/O size in iostat -xk output.

Thanks,
Herbert.

On 12/19/11 7:21 AM, Pravin K Patil wrote:
> Hi All,
>  
> how can I determine the size of each I/O? does it depend on the
> cluster size? block size? will it be different for each file system if
> each of those have different cluster size?
> I am just trying to understand very high I/O wait on our oracle RAC
> DB, where as we dont have it on another server with similar load. if
> the DB need 4K will it fetch only 4K?
> on side note, I know in ZFS it pulls the I/O of the size equal to
> record size (which can be co-related to clsuter size to some extent).
>  
> Regards,
> Pravin
>
>
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