From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-in-07.arcor-online.net ([151.189.21.47]:52149 "EHLO mail-in-07.arcor-online.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754640Ab3KTW3N (ORCPT ); Wed, 20 Nov 2013 17:29:13 -0500 Date: Wed, 20 Nov 2013 23:29:03 +0100 From: Piergiorgio Sartor To: Andrea Mazzoleni Cc: linux-raid@vger.kernel.org, linux-btrfs@vger.kernel.org, hpa@zytor.com, david.brown@hesbynett.no, creamyfish@gmail.com Subject: Re: Triple parity and beyond Message-ID: <20131120222903.GA3654@lazy.lzy> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: Sender: linux-btrfs-owner@vger.kernel.org List-ID: On Mon, Nov 18, 2013 at 11:08:59PM +0100, Andrea Mazzoleni wrote: [...] I've a side question, a bit OT, but maybe you could help with the answer. How about par2? How does this work? They claim "Vendermonde" matrix and they seem to be quite flexible in amount of parities. The could be in GF(2^16), so maybe this makes a difference... bye, -- piergiorgio