From owner-freebsd-stable Tue Jul 16 7:38:12 2002 Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 8E0E337B400 for ; Tue, 16 Jul 2002 07:38:06 -0700 (PDT) Received: from thunderbird.etv.net (thunderbird.etv.net [208.14.190.163]) by mx1.FreeBSD.org (Postfix) with ESMTP id C1DB343E65 for ; Tue, 16 Jul 2002 07:38:05 -0700 (PDT) (envelope-from efinleywork@efinley.com) Received: from [208.14.190.162] (helo=PriceDMSDoc) by thunderbird.etv.net with smtp (Exim 3.36 #1) id 17UTSQ-000BeB-00; Tue, 16 Jul 2002 08:37:42 -0600 Message-ID: <00a001c22cd6$694888e0$035ad70a@PriceDMSDoc> Reply-To: "Elliot Finley" From: "Elliot Finley" To: "Tortise@Paradise" , "Andrew P. Lentvorski" , "Glen Mehn" Cc: References: <20020715225138.V82789-100000@mail.allcaps.org> <011c01c22c8e$8e6d6f70$0900a8c0@P1200n> Subject: Re: Poor Mans Software raid 1 on root partition? Date: Tue, 16 Jul 2002 08:38:11 -0600 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2600.0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 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 Here is what I do to make a bootable backup of my running system. #!/bin/sh # #ad2 # cd / /sbin/umount /mnt /sbin/fdisk -BI ad2 /sbin/disklabel -w -r -B ad2s1 auto /sbin/disklabel -r ad2 > /usr/local/etc/backups/disk.label /bin/echo 'a: 256M 0 4.2BSD' >> /usr/local/etc/backups/disk.label /bin/echo 'b: 1G * swap' >> /usr/local/etc/backups/disk.label /bin/echo 'e: 30G * 4.2BSD' >> /usr/local/etc/backups/disk.label /bin/echo 'f: * * 4.2BSD' >> /usr/local/etc/backups/disk.label /sbin/disklabel -R -B ad2s1 /usr/local/etc/backups/disk.label /bin/rm /usr/local/etc/backups/disk.label /sbin/newfs -U /dev/ad2s1a /sbin/newfs -U /dev/ad2s1e /sbin/newfs -U /dev/ad2s1f /sbin/mount -rw /dev/ad2s1a /mnt cd /mnt /sbin/dump -0f - / | /sbin/restore -rf - cd / /sbin/umount /mnt /sbin/mount -rw /dev/ad2s1e /mnt cd /mnt /sbin/dump -0f - /usr | /sbin/restore -rf - cd / /sbin/umount /mnt /sbin/mount -rw /dev/ad2s1f /mnt cd /mnt /sbin/dump -0f - /var | /sbin/restore -rf - cd / /sbin/umount /mnt # # END # Elliot ----- Original Message ----- From: "Tortise@Paradise" To: "Andrew P. Lentvorski" ; "Glen Mehn" Cc: Sent: Tuesday, July 16, 2002 12:03 AM Subject: Re: Poor Mans Software raid 1 on root partition? > > > You can get a 3ware 7210 for $120: http://newegg.com > > > > > > it'll save you a lOT of time and heartache, and it's not that much $$... > > > > True, but if that 3ware quits making those cards and your card goes, your > > data is completely lost. And what if you choose not to upgrade each time > > 3ware spins the cards? How much testing does 3ware do against say the > > 6000 series? Can I take my drives on my 68XX card and plug them into a > > 78XX card and have them work? What about if 3ware creates an 88XX series? > > > > One significant advantage to software RAID is the fact that you can still > > extract your data from the disk even if you have to completely transplant > > the disks to different hardware. > > mmmm > > I think what I want to achieve is a second SCSI disc, which is regularly > "backed up to" in some fashion, although in less than real time be OK. (vis > a vis RAID) so long as it is a bootable reliable "backup" with a > controllable interval backup. (Also avoids the hardware reliance. I have > one machine (W2000) which has a backup RAID card so it can be got running > again quickly......without worrying about sourcing another card..... Clearly > this is undesirable...) > > Does anyone do this? > > Regards > David Hingston MB ChB MBA > _________________________________________________________________________ > tortoise@paradise.net.nz > http://hingston.yi.org/ > http://pcmc.yi.org/ > If you seek a digitally signed response please advise. > If you received a warning on reading this e-mail, please go to > http://www.baycorpid.com/settings/email.asp?CA=healthcert to update your > settings > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-stable" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message