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 <redacted>
To: sk <redacted>
Cc: "linux-raid@vger.kernel.org" <redacted>
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@swm.pp.se
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