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 incident. Cheers,