From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bill Davidsen Subject: Re: Speaking of network disks (was: Re: syncing remote homes.) Date: Mon, 24 Sep 2007 14:12:45 -0400 Message-ID: <46F7FE1D.6040705@tmr.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-raid-owner@vger.kernel.org To: "Mr. James W. Laferriere" Cc: linux-raid maillist List-Id: linux-raid.ids Mr. James W. Laferriere wrote: > Hello Bill & all , > > Bill Davidsen Sat, 22 Sep 2007 09:41:40 -0400 , > wrote: >> My only "advice" is to try and quantify the data volume and look at >> nbd vs. iSCSI to provide the mirror if you go that way. > > You mentioned nbd as a transport for disk to remote disk . > > My Question is have you OR anyone else tried using drbd(*) as a > method to replicate disk data across networks ? Have not. And looking at the homepage, I think it's aimed at anothjer problem. If the local drive fails, I really don't want anything starting applications on another machine, running fsck, etc, etc. I just want my disk reads to go to a working device or pseudo-device. HA and mirroring are related, but HA is more aimed at whole machine failures. > > I've looked at the projects documents & software . They're > mentioned at linux-ha . But I personally have not heard of anyone > using it in production . So I asked my question here . > Tia , JimL > > (*) http://www.drbd.org/ -- bill davidsen CTO TMR Associates, Inc Doing interesting things with small computers since 1979