From owner-freebsd-questions Wed Sep 15 15:19:41 1999 Delivered-To: freebsd-questions@freebsd.org Received: from freebie.lemis.com (freebie.lemis.com [192.109.197.137]) by hub.freebsd.org (Postfix) with ESMTP id 6F745150C6 for ; Wed, 15 Sep 1999 15:19:36 -0700 (PDT) (envelope-from grog@freebie.lemis.com) Received: (from grog@localhost) by freebie.lemis.com (8.9.3/8.9.0) id HAA43702; Thu, 16 Sep 1999 07:49:28 +0930 (CST) Date: Thu, 16 Sep 1999 07:49:28 +0930 From: Greg Lehey To: Andriss Cc: questions@FreeBSD.ORG Subject: Re: Vinum Concerns (was: SCSI drive mirroring question) Message-ID: <19990916074927.M30655@freebie.lemis.com> References: <19990915182532.W30655@freebie.lemis.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.95.4i In-Reply-To: ; from Andriss on Wed, Sep 15, 1999 at 10:40:55AM -0400 WWW-Home-Page: http://www.lemis.com/~grog X-PGP-Fingerprint: 6B 7B C3 8C 61 CD 54 AF 13 24 52 F8 6D A4 95 EF Organization: LEMIS, PO Box 460, Echunga SA 5153, Australia Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-41-739-7062 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Wednesday, 15 September 1999 at 10:40:55 -0400, Andriss wrote: > -----BEGIN PGP SIGNED MESSAGE----- > >>> I never worked with vinum (or ccd) so I wouldn't know. Is vinum >>> stable enough for a production box? >> >> It's OK, but we're currently having sporadic problems with RAID-5 and >> soft updates. Shouldn't affect you if you only want to mirror. > > I run soft updates, they are nice and, it seems, very stable. > I guess Vinum isn't a way to go for me if it has problems with > soft updates. The bug could just as well be in soft updates. We don't know yet. But we're going to fix it. > Perhaps, one way to handle mirroring drives would be to: > > 1. recreate slices by hand > 2. copy boot record (or create new one just by putting the > boot loaded onto the second drive) > 3. run dump|restore on filesystems. I'm not sure what you mean here. I've said you can't mirror the root file system. To create mirrors, use the commands supplied. > Speaking of dump|restore: would it have problems with things > changing the live filesystem as it's copying it? Yes. > What is the right way to go about doing this? Do it in single-user mode. Greg -- When replying to this message, please copy the original recipients. For more information, see http://www.lemis.com/questions.html See complete headers for address, home page and phone numbers finger grog@lemis.com for PGP public key To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message