Date: Thu, 22 Jul 1999 10:43:35 +0200 From: Udo Schweigert <ust@cert.siemens.de> To: Alexander Maret <maret@axis.de> Cc: "'freebsd-questions@freebsd.org'" <freebsd-questions@FreeBSD.ORG> Subject: Re: Is it possible to clone a hard disk? Message-ID: <19990722104335.A9310@alaska.cert.siemens.de> In-Reply-To: <91DA20EC3C3DD211833400A0245A4EA9BA1087@erlangen01.axis.de>; from Alexander Maret on Thu, Jul 22, 1999 at 10:01:43AM %2B0200 References: <91DA20EC3C3DD211833400A0245A4EA9BA1087@erlangen01.axis.de>
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On Thu, Jul 22, 1999 at 10:01:43AM +0200, Alexander Maret wrote: > Hi, > > is it possible to clone only a slice and not the whole > drive? I have a 3.2-R System with vinum-mirrored disks. Both > drives are configured the same way. The only problem is that > vinum doesn't mirror root slices. So I would like to > clone only the root slice from time to time to keep > the second drive up-to-date. Should I do this with dd or > can I do a "cp /dev/da0a /dev/da1a" Both partitions have the > same size and the same position on both drives. > Hello, i have done this (for a whole disk) with dd and it worked. I found that dd if=/dev/rda0a of=/dev/rda1a bs=64k is the fastest method (better use the raw-device!). Regards ------------------------------------------------------------------------------- Udo Schweigert || Voice : +49 89 636 42170 Siemens AG, Siemens CERT || Fax : +49 89 636 48000 ZT IK 3 || email : Udo.Schweigert@mchp.siemens.de D-81730 Muenchen / Germany || : ust@cert.siemens.de PGP fingerprint || 2A 53 F6 A6 30 59 64 02 6B C4 E0 73 B2 C9 6C E7 ------------------------------------------------------------------------------- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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