From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from plane.gmane.org ([80.91.229.3]:59871 "EHLO plane.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751035Ab3EEB0Z (ORCPT ); Sat, 4 May 2013 21:26:25 -0400 Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1UYnia-0007Na-G2 for linux-btrfs@vger.kernel.org; Sun, 05 May 2013 03:26:24 +0200 Received: from dyndsl-080-228-187-077.ewe-ip-backbone.de ([80.228.187.77]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sun, 05 May 2013 03:26:24 +0200 Received: from hurikhan77+btrfs by dyndsl-080-228-187-077.ewe-ip-backbone.de with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sun, 05 May 2013 03:26:24 +0200 To: linux-btrfs@vger.kernel.org From: Kai Krakow Subject: Re: Scrub CPU usage ... Date: Sun, 05 May 2013 03:21:22 +0200 Message-ID: References: <518555FF.4020704@chinilu.com> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Sender: linux-btrfs-owner@vger.kernel.org List-ID: George Mitchell schrieb: > 1) The system fails to boot intermittently due to dracut/initrd issues > (btrfs: open_ctree failed). This is being worked on upstream and I am > seeing a continual flow of patches addressing it, but so far no fix. > This will take time to fix and it usually leaps to life in 3 attempts or > less. Try rootdelay=1 or a higher number. This solved exactly that problem for me. It will delay mounting the rootfs by the given number of seconds. You need to pass this on the kernel command line, probably using grub. This seems to only be needed with multi-device btrfs as rootfs. Greetings, Kai