On Fri, Jan 15, 2010 at 01:47:26PM -0800, Michael Rubin wrote: > On Fri, Jan 15, 2010 at 12:17 PM, Eric Sandeen <sandeen@xxxxxxxxxx> wrote: > > tytso@xxxxxxx wrote: > > At one point google was planning to devise a power-fail test > > harness. ?Any news on that? > > We completed the tests. But there is good news and bad news. The good > news is that we were able to shake out a lot of bugs in the no journal > case (which have already been submitted upstream). We now can fairly > quickly and easily drive a lot of traffic to a system and then cut the > power, issue a panic or other event. > > The bad news is that I was hoping to use open source tools to drive > the traffic. The goal would be to allow everyone to reproduce the > experiment. We got a little short handed on resources and ended up > using Google closed source workloads instead. This was mostly since we > were in a rush and able to get the network traffic up in one day with > those tools. > > I was holding back on publishing the results since I was hoping we > would be able to generate traffic in a more open manner. But if you > are interested in the results anyway then give me or some one on the > team a day or two to dig them up. Don't let the perfect be the enemy of the good. :) I'd love to see what you've got now, even if you have to leave out the closed part of it. -VAL > In any case we have powerfail testing as part of our validation and > once Jiayingz is satisfied with the patch we will be running those > tests. > > mrubin > -- > To unsubscribe from this list: send the line "unsubscribe linux-ext4" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
