On Mon, 10 Jun 2002, Peter Beardsley wrote: > At 12:23 PM 6/10/2002 -0400, you wrote: > >dd will do this just fine, just keep in mind the target needs to be as big > >as (or bigger ) than the source. As we're copying everything, regardless > >of if there's actually data or not. > > > >Oh, one other thing...boot off a third drive. you don't want open files on > >the drive you're copying from! > > Yes, this is what I was afraid of. It sounds like there is no way to > safely mirror one drive to another without properly shutting down the > source filesystem. So if I had the source drive copy itself, it's sort of > the functional equivalent of a reboot after cutting power if I boot from > the target drive, huh? I realize if I do it this way it's a total hack but > if I shut down some services, would I be able to say with confidence that > the mirror would boot or would the result be too iffy? This is on a > production machine and I don't have the time/resources to do the proper > thing, ie install a RAID controller.
I've never had luck with copying a live filesystem. Your other option (and this is a longshot I know) might be to setup software raid. Build a Raid1 set and then break it again. I've never tried this with software raid but I have done it with hardware based raid. --rdp -- Rich Payne http://talisman.mv.com ***************************************************************** To unsubscribe from this list, send mail to [EMAIL PROTECTED] with the text 'unsubscribe gnhlug' in the message body. *****************************************************************
