Date: Sat, 5 Jan 2002 10:07:59 +0000 (GMT) From: Jan Grant <Jan.Grant@bristol.ac.uk> To: Chris Fedde <chris@fedde.littleton.co.us> Cc: Sean Ellis <sellis@telus.net>, ScaryG <freymann@eagle.ca>, freebsd-questions <freebsd-questions@FreeBSD.ORG> Subject: Re: Mirroring Hard Disk Message-ID: <Pine.GSO.4.31.0201051005190.1974-100000@mail.ilrt.bris.ac.uk> In-Reply-To: <200201050634.g056YMx91713@fedde.littleton.co.us>
next in thread | previous in thread | raw e-mail | index | archive | help
On Fri, 4 Jan 2002, Chris Fedde wrote: > On Fri, 4 Jan 2002 22:25:38 -0800 Sean Ellis wrote: > +------------------ > | When I recently asked about cloning a hard drive I was offered a > | couple of leads for a daily mirroring of a hard drive. I'm not > | sure if mirroring the drives on a daily basis would be suitable for > | what jacks is asking about, but I'd be interested for any comment on > | using rsync or dd as means of keeping two drives relatively > | synchronized. > +------------------ > > Depending on your needs, and your availability requirements, I'd > think of using dump | restore. ...particularly for your read-mostly filesystems (/ and /usr). Sun have a cute hack for solaris where you can do "fast, safe" updates to your OS by patching the offline copy then rebooting into that; if it works, you switch your notion of main and copy - otherwise, you just reboot back into the older one. -- jan grant, ILRT, University of Bristol. http://www.ilrt.bris.ac.uk/ Tel +44(0)117 9287088 Fax +44 (0)117 9287112 RFC822 jan.grant@bris.ac.uk It's a sad fact that the word "semantics" seems to have lost all meaning. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.GSO.4.31.0201051005190.1974-100000>