From mboxrd@z Thu Jan 1 00:00:00 1970 Message-Id: <199906210714.AA17352@mailgate1b.telekom.de> From: Heinz Mauelshagen Subject: Re: [linux-lvm] pvcreate -- extended partition "/dev/hda10" doesn't exist Date: Mon, 21 Jun 1999 9:13:27 METDST In-Reply-To: <376DA1DD.9D2251AC@mainz.ibm.de>; from "Udo Weber" at Jun 21, 99 4:22 am Sender: owner-linux-lvm Errors-To: owner-linux-lvm List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: udo.weber@mainz.ibm.de Cc: mge@ts1.ez-darmstadt.telekom.de, linux-lvm@msede.com Hi. > > I'm new here the Linux-LVM-array. This means I was downloading all > needed software+patches, compiled successfull and also installed without > erors on my IBM-Thinkpad (300 MHz PII, 128 MB RAM, 8GByte HD). > I have all my LINUX-stuff on several extended partitions. > Great. > Now at first some generally questions (I don't found an answer for this > in the docu): > Is it possible to create a PV on a extended partion or do I need only > primary partions ? You can use primary _and_ extended partitions. > I think pvcreate writes something at the top of the physical volume ( > whole PV or partion). > Do that works well with other OS-formated parts of the same hdisk ? > Yes, it does. If you use a partition with pvcreate, you have to set the partition identifier to 0xfe with fdisk before. pvcreate checks for this partition identifier to avoid to overwrite _non_ LVM partitions by accident 8*) Regards, Heinz -- =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Systemmanagement C/S Deutsche Telekom AG Entwicklungszentrum Darmstadt Heinz Mauelshagen Otto-Roehm-Strasse 71c Senior Systems Engineer Postfach 10 05 41 64205 Darmstadt mge@ez-darmstadt.telekom.de Germany +49 6151 886-425 FAX-386 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-