i wait about 10 hours and start after the resync process completed. it was not mount so i don't think there were any activity. sk ----- Original Message ----- From: Mikael Abrahamsson <swmike@xxxxxxxxx> To: sk <sdk0084@xxxxxxxxx> Cc: "linux-raid@xxxxxxxxxxxxxxx" <linux-raid@xxxxxxxxxxxxxxx> Sent: Monday, February 18, 2013 11:17 AM Subject: Re: problems formatting raid5 On Sun, 17 Feb 2013, sk wrote: > Hi There, > > I am trying to create file system on a software raid5 device but after while it hangs on: > > Writing superblocks and filesystem accounting information: > > i have tried with mkfs.ext4, and mke2fs as well but the result was the same. > any ideas what could be wrong ? "iostat -x 5", check if there is activity going on. Start it before you do the mkfs to make sure nothing is going on (for instance a resync) before you start creating the filesystem. A large filesystem with ext3/ext4 takes quite a while to create. How long did you wait until you decided it was "hung" ? -- Mikael Abrahamsson email: swmike@xxxxxxxxx -- 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 -- 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