On Fri, Sep 08, 2006 at 09:29:00AM -0400, Mike Meyer wrote.. > In <[EMAIL PROTECTED]>, Vladimir Terziev <[EMAIL PROTECTED]> typed: > > i have a machine running FreeBSD 5.4 . It has 2 HDDs. Recently the > > non-root HDD failed and lost all the data on it. Since the machine is > > working 24/7 i want to mirror its root disk (this one with the OS on it) in > > order to prevent a severe downtime and data loss. > > > > Is there a safe way to do the above using gmirror ? > > Yes. I started doing it on FreeBSD 5.5. It's pretty simple: shut down > to single user. Create a mirror with your root disk in it. Edit > /etc/hosts to change the device name from ad* to
/etc/fstab > mirror/*. Reboot. Once you're back up, add the second disk to the > mirror. If you want exact instructions, consult google. The tricky > part is creating the initial mirror on a mounted file system - you > have to toggle a sysctl (I think that's what it was) to do that. Some > directions include that; others recommend you boot on a recovery CD to > create the mirror initially. > > BTW, this probably should have gone to -questions. > > <mike > -- > Mike Meyer <[EMAIL PROTECTED]> > http://www.mired.org/consulting.html > Independent Network/Unix/Perforce consultant, email for more information. > _______________________________________________ > [email protected] mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers > To unsubscribe, send any mail to "[EMAIL PROTECTED]" --- end of quoted text --- -- Wilko Bulte [EMAIL PROTECTED] _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "[EMAIL PROTECTED]"
