From owner-freebsd-stable Thu Mar 21 8:17:11 2002 Delivered-To: freebsd-stable@freebsd.org Received: from woozle.rinet.ru (woozle.rinet.ru [195.54.192.68]) by hub.freebsd.org (Postfix) with ESMTP id EA5B437B404; Thu, 21 Mar 2002 08:17:01 -0800 (PST) Received: from localhost (marck@localhost) by woozle.rinet.ru (8.11.6/8.11.6) with ESMTP id g2LGGY172652; Thu, 21 Mar 2002 19:16:34 +0300 (MSK) (envelope-from marck@rinet.ru) Date: Thu, 21 Mar 2002 19:16:34 +0300 (MSK) From: Dmitry Morozovsky To: David Greenman Cc: "Brian T.Schellenberger" , Matthew Dillon , "Steve O'Hara-Smith" , , , , Subject: Re: Problems with large disk. (> 1 TB) In-Reply-To: <20020321071754.D96231@nexus.root.com> Message-ID: <20020321191258.J64325-100000@woozle.rinet.ru> X-NCC-RegID: ru.rinet MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Thu, 21 Mar 2002, David Greenman wrote: DG> >No, this has been mentioned multiple times in this thread: DG> > DG> > slices won't help. If the disk is > 1TB, then you can't slice it, dice it, DG> > or do anything else with it. You just can't use it with FreeBSD, period. DG> > DG> >However, from what I gather here, if you concatenated separate physical disks DG> >to make a single logical disk, and if each file system used large block DG> >sizes, that *might* work. DG> DG> Nope. Neither the physical nor logical disk can be greater than 1TB. Using DG> Vinum or ccd is not a work-around for this problem. Now, *if* you had a DG> hardware RAID system that could present it's storage to the host as multiple DG> LUNs that were each < 1TB (each one showing up as seperate physical disk DG> devices), then you could use it with FreeBSD, but that's not what has been DG> discussed here. Not that exactly, maybe I'd not clear enough... Suppose you have bunch of currently available 160G disks. AFAICC we *can* split eacho of them into 2 partitions of 80G each, and then stripe/RAID5 these into two 560G (thus allowed) RAID5 vinum. Or did I miss something? Sincerely, D.Marck [DM5020, DM268-RIPE, DM3-RIPN] ------------------------------------------------------------------------ *** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck@rinet.ru *** ------------------------------------------------------------------------ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message