From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from shiva.centershock.net ([85.214.87.241]:35506 "EHLO h1774498.stratoserver.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753166Ab3HKNyY (ORCPT ); Sun, 11 Aug 2013 09:54:24 -0400 Received: from horus.localnet (host44-2.natpool.mwn.de [138.246.2.44]) by h1774498.stratoserver.net (Postfix) with ESMTPSA id 15FBE21F8157 for ; Sun, 11 Aug 2013 15:44:11 +0200 (CEST) From: Florian Lindner To: linux-btrfs@vger.kernel.org Subject: (un)mounting takes a long time Date: Sun, 11 Aug 2013 15:44:10 +0200 Message-ID: <2929473.GGcWYBHif4@horus> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Sender: linux-btrfs-owner@vger.kernel.org List-ID: Hello! I'm using ArchLinux with kernel Linux horus 3.10.5-1-ARCH #1 SMP PREEMPT. Mounting and unmounting takes a long time: # time mount -v /mnt/Archiv mount: /dev/sde1 mounted on /mnt/Archiv. mount -v /mnt/Archiv 0,00s user 0,16s system 1% cpu 9,493 total # sync && time umount -v /mnt/Archiv umount: /mnt/Archiv (/dev/sdd1) unmounted umount -v /mnt/Archiv 0,00s user 0,33s system 1% cpu 23,247 total fstab: LABEL=Archiv /mnt/Archiv btrfs defaults,compress=zlib 0 0 Archiv is a RAID 0 comprised of two discs: Label: 'Archiv' uuid: b2504193-efeb-4ef3-8797-a8d73536a416 Total devices 2 FS bytes used 1.99TB devid 2 size 2.73TB used 1023.01GB path /dev/sde1 devid 1 size 2.73TB used 1023.03GB path /dev/sdd1 Are un(mounting) times like these normal? Regards, Florian