I use 2 machines of identical config for this :-) #1 as production machine #2 as test machine Leave #1 as is. Upgrade #2, test and bullet proof everything. Now just change DNS entries, #2 becomes the production machine. #1 is now free and becomes test machine :-) --- Mike Bartman <omni@xxxxxxxxxxxxx> からのメッセージ： > At 11:52 AM 5/14/04 -0700, Tom 'Needs A Hat' > Mitchell wrote: > >On Thu, May 13, 2004 at 09:44:38AM -0400, Clint > Harshaw wrote: > > >Safe requires a backup. > > > >Backup your data in ways that you know, understand > and can test! > > I've installed two removable HD trays in my tower > machines. One is for the > system disk, the other is for scratch space, swap > space or whatever temp > uses I might have. I have a spare system disk in a > tray too. To do a > backup I shut down, swap the data disk for the spare > system disk, and use > System Commander's partition copy capability to copy > all the partitions > from the active system disk to the backup disk > (anything that runs only in > memory and can copy partitions across disks will > do). This gets all files > backed up without worrying about access conflicts or > changes happening > while I'm backing up, and it gives me a "hot spare" > in case the system disk > goes toes up (it's happened once so far). > > When I need to do a major upgrade, I do a backup as > above, then I upgrade > the *copy* I just made. If the copy was faulty, or > the upgrade fails, I > can do another...the live disk hasn't been touched. > If I just run out of > time I can abort the upgrade and put the live disk > back in and do the > upgrade at another time (while realizing I don't > have a backup at the > moment ;-). If the upgrade works, I run it for a > bit to make sure I'm > happy with it, then I make it the live disk, and do > a new backup to the old > live disk, and run off of it, leaving the proven > disk as the backup again. > > If you are really paranoid, using two backup disks > isn't a lot more > expensive...an A and a B disk, so even if things go > totally screwy, you've > still got a (slightly older) full backup to recover > from on the other > backup disk. > > It's been working for me for a few years now anyway, > with Linux and WinNT > both. Trays are about $30/pair at the local > computer store, and install > like a HD, so if you can plug in plugs and fasten > screws, you are all set. > They even have key locks so that they can be made a > bit less removable if > you need that. > > -- Mike Bartman > > "If a nation values anything more than freedom, it > will lose that freedom, > and the irony of it is that if it is comfort or > money that it values more, > it will lose those too." > > -- > Somerset Maugham > > > -- > fedora-list mailing list > fedora-list@xxxxxxxxxx > To unsubscribe: http://www.redhat.com/mailman/listinfo/fedora-list __________________________________________________ Do You Yahoo!? http://bb.yahoo.co.jp/
