On Wed, Feb 26, 2014 at 3:31 AM, Brad Campbell <lists2009@xxxxxxxxxxxxxxx> wrote: > You are probably expeririencing an effect of this : > > http://www.thomas-krenn.com/en/wiki/Ext4_Filesystem#Lazy_Initialization That's it. ext4lazyinit shows up in the blktrace and also flashes up every now and then in iotop - I did not notice it before. I reformatted with "mkfs.ext4 -E lazy_itable_init=0,lazy_journal_init=0" and the issue is gone. Of course, just waiting a bit with the filesystem mounted rw would have done it, too. Thanks a lot Neil and Brad! Jakob -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
