Re: Test results for ext4

[Eric Sandeen <sandeen@redhat.com>]

Eric Sandeen wrote:
> Valerie Clement wrote:
>> Eric Sandeen wrote:
> 
>> Oops, I did the test on a device mapper /dev/md0. I forgot to change it in
>> the test description. I will do it.
>>
>> When mounting the xfs filesystem, I've got the following message:
>>   Filesystem "md0": Disabling barriers, not supported by the underlying device
>>
>> It means barriers are not supported by my device, isn' it?
> 
> Yep, it should be a fair fight then.  :)  I saw /dev/sde in the writeup
> and figured it probably had barriers on.

Oh, also for completeness can you specify which xfsprogs you used?
There were some recent changes made which affect the fs geometry, and
might affect the results.  So it would be good to fully specify.

Also why no fragmentation results for xfs or ext3?

Thanks,

-Eric