From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from redhat.com (astrea.boston.redhat.com [172.16.80.45]) by mail.boston.redhat.com (8.12.11.20060308/8.12.11) with ESMTP id l1LHwgT8008919 for ; Wed, 21 Feb 2007 12:58:42 -0500 Message-ID: <45DC8852.9040807@redhat.com> Date: Wed, 21 Feb 2007 12:58:42 -0500 From: James Parsons MIME-Version: 1.0 Subject: Re: [linux-lvm] LVM - History References: <628454.24513.qm@web32913.mail.mud.yahoo.com> <87f94c370702210853i643ef08co7667e9bf5e77f126@mail.gmail.com> <45DC80B3.6000001@free.fr> In-Reply-To: <45DC80B3.6000001@free.fr> Content-Transfer-Encoding: 8bit Reply-To: LVM general discussion and development List-Id: LVM general discussion and development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , List-Id: Content-Type: text/plain; charset="utf-8"; format="flowed" To: LVM general discussion and development Georges Giralt wrote: > Greg Freemyer a �crit : > >> On 2/20/07, k wrote: >> >>> History of LVM >>> >>> I am researching about LVM, and looking for historical >>> data, such as; how did it get started, who was >>> involved, information about the functionality of the >>> first release ( Was it supporting raid, Size >>> restrictions, etc�), and any other historical data. >>> >>> I appreciate any suggestions you might have. >>> >>> Thanks! >>> Shi kam >> >> >> A key point was 3 years ago when Redhat bought Sistina. >> >> See http://www.open-mag.com/features/Vol_90/Sistina/Sistina.htm. >> >> Also see http://lwn.net/2000/0224/kernel.php3 for when it first got >> into the vanilla kernel. >> >> Greg > > Hi ! > If you plan to learn who invented LVM, you have to know that IMHO IBM > was the first company to include LVM into it's Unix flavor called Aix. > Later, HP bought a software license and implemented it into HP-UX with > modification. The HP version is quite similar as the one we have in > Linux. > Also, I think Veritas software has/had a comercial LVM version to fit > the Veritas journaled file system. I don't know if this was devised > from IBM research or a new implementation. > Sistina software inplemented LVM into the Linux Kernel by making > something looking like HP flavor of LVM. But due to PC hardware > anlimitations, the LVM on Linux still lacks the ability to boot from > an LVM root, lacks mirroring (well, true mirroring....) and things > like that... > I'm not sure about the exact status of Linux LVM on other platforms > than PC hardware... > Of course, I'm not an historian, and I do not pretend to know eery > Unix flavor on the planet (even if I've put my hands on some really > old/or arcane) so you'd better check with the cited companies to > correct me if I'm wrong... > Regards No discussion of LVM history should take place without mentioning Heinz Mauelshagen, who did some of the earliest LVM on Linux work. Thanks, lvmguy. -J