Mirroring: gvinum or gmirror?

Elliot Finley efinleywork at efinley.com
Thu Aug 31 17:14:12 UTC 2006

I use gmirror for this very purpose.  It works well.

----- Original Message ----- 
From: "Jonathan McKeown" <jonathan at hst.org.za>
To: <freebsd-questions at freebsd.org>
Sent: Thursday, August 31, 2006 5:25 AM
Subject: Mirroring: gvinum or gmirror?

> I'm setting up a remote server with two identical hard drives, running
> FreeBSD-6.1. I want to set the drives up as a mirror for data redundancy.
> also want to be able to break the mirror when I need to update the OS or
> installed software, so that if anything goes wrong with the update on one
> drive I can boot back to the other one, or if all is well, re-establish
> mirror and synchronise to the updated system. I have serial console access
> including BIOS console redirection.
> Based on web and Usenet/mailing list searches, gmirror looks more
> straightforward for this simple case, gvinum more flexible but poorly
> documented, and the most recent comments I can find (still all 6+ months
> seem to suggest that gvinum hasn't completely stabilised for production
> Is this a fair assessment? Are there any factors I've missed? Which
> is likely to suit the situation better?
> Jonathan
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