On Tue 2009-09-01 09:18:07, jim owens wrote: > Pavel Machek wrote: >> Hi! >> >>> I do agree that we do have to be more prepared for collateral damage >>> scenarios. As we discussed at LS we have 4KB drives coming out that can >>> invalidate previously acknowledged I/Os if it gets a subsequent write >>> failure on a sector. And there's also the issue of fractured writes >> >> Hmmm, future will be interesting. >> >> 'ext3 expects disks to behave like disks from 1995' (alarming). > > NO... stop saying "ext3". All file systems expect that > what the disk tell us is the "sector size" (now know by > disk vendors as "block size") is "atomic". Yep, but ext3 disables barriers by default. So it has more than blocksize issue :-(. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.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
