[CentOS] Calling All FS Fanatics

chrism at imntv.com chrism at imntv.com
Tue Oct 3 21:21:06 UTC 2006

Kirk Bocek wrote:
> Steve Bergman wrote:
>> Plus, I have a notion that the "interaction between ext3 and 3ware
>> raid5" referenced in the previous episode, might just have something to
>> do with ext3's ordered data writes, which can be turned off.
> I just remounted an ext3 filesystem with '-o data=writeback' and
> attempted to run bonnie++ as I've been doing all along here. The system
> basically came to a halt. The first step in the benchmark creates a
> series of 1GB files. This hasn't take more than a couple of minutes on
> any other test. After 10 or 15 minutes with it only half way through the
> creation process I decided to abort the benchmark. And that's difficult
> because the system is now only semi-responsive.
> 'data=writeback' isn't the answer. Sorry.

I am mounting my RAID device with the data=writeback option without 


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