From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mondschein.lichtvoll.de ([194.150.191.11]:56023 "EHLO mail.lichtvoll.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751535Ab2GOOFD (ORCPT ); Sun, 15 Jul 2012 10:05:03 -0400 From: Martin Steigerwald To: linux-btrfs@vger.kernel.org, "haveaniceday@cv-sv.de" Subject: Re: btrfsck crashes Date: Sun, 15 Jul 2012 16:05:00 +0200 Cc: Anand Jain References: <4FF9B07C.8090209@cv-sv.de> <4FFD278D.20804@oracle.com> <209200388.295540.1341995780489.JavaMail.open-xchange@email.1und1.de> (sfid-20120711_103927_662447_62FDD5CB) In-Reply-To: <209200388.295540.1341995780489.JavaMail.open-xchange@email.1und1.de> MIME-Version: 1.0 Content-Type: Text/Plain; charset="utf-8" Message-Id: <201207151605.01189.Martin@lichtvoll.de> Sender: linux-btrfs-owner@vger.kernel.org List-ID: Am Mittwoch, 11. Juli 2012 schrieb haveaniceday@cv-sv.de: > PS: I would bet that my kind of usage is a very good stress test for > btrfs. > > - large file system "/backup" btrfs with compress enabled. > > Content of the file system: > - ./server1 .... /server5 as directories > - for each server the directory has a structure like this: > backup-YYYY-DD-MM-HH:M > New backups are created with: > rsync -axvH --link-dest=/backup/server'n'/backup-...(old, last dir).. > server:/ /backup/server'n'/backup-YYY-.../. > > This generates files with a large number of hard links. I am using btrfs subvolume snapshot -r after a rsync backup for exact this case. Ciao, -- Martin 'Helios' Steigerwald - http://www.Lichtvoll.de GPG: 03B0 0D6C 0040 0710 4AFA B82F 991B EAAC A599 84C7