From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jelle de Jong Subject: need some help very strange behavior mdadm writes data to non raid disk? Date: Sun, 15 Jun 2008 11:33:39 +0200 Message-ID: <4854E1F3.4090803@powercraft.nl> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="------------010702030702090908060301" Return-path: Sender: linux-raid-owner@vger.kernel.org To: linux-raid@vger.kernel.org List-Id: linux-raid.ids This is a multi-part message in MIME format. --------------010702030702090908060301 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit This message contains the following attachment(s): debug-mdadm.txt setup-mdadm.txt Hello everybody Thank you for supporting mdadm. I am creating my first raid1 array and got some very confusing issues. My raid1 md0 array should consist out of disks: /dev/sda1 /dev/sdb1 These are 749GB ext3 partitions in mirroring mode. However when I reboot my system, mdadm tells me everything is fine and is correctly using sda1 and sdb1. But it is not using a 749GB partition, it is using the same partition size as my /dev/sdc1 disk and when I write a test file to the root dir and then mount /dev/sdc1 the file is there also. So md0 is directly connected with /dev/sdc1. It does not make any sens to me. Can somebody please look at my debug en setup file that i created and maybe see something that is going wrong? Thanks in advance, Jelle de Jong ps. 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