From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Tue, 27 Feb 2001 21:35:17 +0100 From: =?iso-8859-1?Q?Ragnar_Kj=F8rstad?= Subject: Re: [linux-lvm] Possible to raise Max LV? Message-ID: <20010227213517.G29642@vestdata.no> References: <20010227132358.A24164@math.ohio-state.edu> <200102272022.f1RKMIk27598@webber.adilger.net> Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable In-Reply-To: <200102272022.f1RKMIk27598@webber.adilger.net>; from Andreas Dilger on Tue, Feb 27, 2001 at 01:22:18PM -0700 Sender: linux-lvm-admin@sistina.com Errors-To: linux-lvm-admin@sistina.com Reply-To: linux-lvm@sistina.com List-Help: List-Post: List-Subscribe: , List-Unsubscribe: , List-Archive: List-Id: Content-Type: text/plain; charset="iso-8859-1" To: linux-lvm@sistina.com On Tue, Feb 27, 2001 at 01:22:18PM -0700, Andreas Dilger wrote: > Basically, the PE size is the minimum allocation unit of LVM. If you > make PE size very large, then you are generally wasting PE/2 disk space > for each PV. If (as in your case) the HW raid appears as a single large > disk, then a large PE size may be appropriate, since you will only waste > PE/2 once and it will still let you grow the LV to the current 2TB block > device limit (kernel limit). What about increesing the default, to say 32 MB? 32 MB should be enough for everyone (because of the 2TB limit), and 16 MB waste on every PV isn't that bad. --=20 Ragnar Kj=EF=BF=BDrstad Big Storage