On Tue, 23 Apr 2019 at 04:25, Andre Robatino <robat...@fedoraproject.org> wrote:
> OK, but this drive is on a machine with 2 operating systems installed. > Reinstalling and reconfiguring those takes just as much time before the > drive fails as after, so replacing preemptively wastes time (until the > drive starts experiencing regular problems, which it isn't yet). If the drive is still working, tt should not be a big job to clone the disk to the replacement, so all you loose is the time it takes to do the copy. If you have a space elsewhere, you can create an image of the disk now and restore it when the replacement arrives. I use a USB device that provides slots for several types of drives. It is slow but lets me create a cloned drive offline and then swap out the old one. > And I have at least 2 backups for all of the data, so I won't lose > anything. If a drive starts experiencing regular problems, then I order a > new one and replace it before it dies. So far this is an isolated problem. > I had a drive once that acquired a bad sector, and nothing changed for > another 1 or 2 years when it started adding new bad sectors regularly, then > I replaced it while it was still usable. Another drive failed fairly > suddenly with no warning after only 1.5 years and I lost some non-critical > data, since I wasn't taking backups as seriously at the time. That won't > happen again. > > The point is, no matter how often I replace the drives, failures can > happen. Without backups, those could result in data loss. With backups, I > can avoid data loss if I know which files are affected, which Samuel's > information makes possible. And if the drive holds one or more OSes (not > just data) it takes time to reinstall and reconfigure and it's not worth it > until a problem starts repeating. > At work (I'm retired now) I kept an image of a fresh install for each OS and applied updates so I always had a good base system ready to go when a drive acted up. We did backups (full, series incrementals, and repeat) and the first sign of trouble was usually a failure on the full backup. -- George N. White III
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