From owner-freebsd-questions Tue Sep 14 22:11:59 1999 Delivered-To: freebsd-questions@freebsd.org Received: from netmint.com (netmint.com [207.106.21.130]) by hub.freebsd.org (Postfix) with ESMTP id DE1A4156EF for ; Tue, 14 Sep 1999 22:11:56 -0700 (PDT) (envelope-from andriss@andriss.com) Received: from localhost (andriss@localhost) by netmint.com (8.9.3/8.9.3) with ESMTP id BAA71957; Wed, 15 Sep 1999 01:11:37 -0400 (EDT) Date: Wed, 15 Sep 1999 01:11:32 -0400 (EDT) From: Andriss X-Sender: andriss@netmint.com To: Andrew MacIntyre Cc: questions@FreeBSD.ORG Subject: Re: Vinum Concerns (was: SCSI drive mirroring question) In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG -----BEGIN PGP SIGNED MESSAGE----- Hello, >dd could be used for this, provided that the mirror disk was identical in >size/geometry to the source disk. It could be bigger, or have a different Yes the drives are absolutely identical (u2w SCSI: IBM UltraStar 18es) >geometry, but how usable the mirror disk would be in an emergency I don't >know. watch out for the effects of open files though. Can you tell me what parameters I should use with dd? Reading the manual page is think this should be used: dd if=/dev/rda0 of=/dev/rda1 Important assumption: da0 is source, and da1 is destination. I don't want to screw this up, so I am asking ;) ...And what do you mean watch out for effects of open files? Could you explain that one please? (and is there a way to list all open files?) Andriss - -- ______________________________________________________________ Andrey Kholodenko http://www.andriss.com Download My Public PGP Key From http://www.andriss.com/pgp.txt ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -----BEGIN PGP SIGNATURE----- Version: 2.6.3a Charset: noconv iQCVAwUBN98qiSQe9jf/ODl9AQG51QP/amr/RDBc/Iyl8YKsPPRl4VWwVSNM3B4d gCQq+xirv3NPIYSYeE3W02CEylGH4qptlD8TfHUaTD0iUF1mxwW7mu65zhJ2yMf9 jpW6uWHGl+QuN7EOt3mpUvXwMKQjGQiMM1VbZD7EzTK2JN3qf/QPe2fiKLWGn3Wa GC0KilUOKk0= =5NsJ -----END PGP SIGNATURE----- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message