For backups, I prefer snapshot backups such as rsnapshot or Back in time, both use rsync underneath so duplicates are simply hard links
-- Jerry Feldman <gaf.li...@gmail.com> Boston Linux and Unix http://www.blu.org On Thu, May 16, 2024, 2:17 PM Steve Litt <sl...@troubleshooters.com> wrote: > Kent Borg said on Wed, 15 May 2024 16:21:24 -0700 > > >On 5/15/24 15:44, John Abreau wrote: > >> my other disks were close > >> to full when I purchased the 18TB disk. To back it up, I'd need to > >> purchase yet another disk > > > >Indeed. > > > >I once heard as a metaphor* that a circus needs at least two > >elephants, because if one dies, it will require the second elephant > >haul away the first one. You have only one elephant. > > > > > >I'm so old that 18TB seems big to me. That's so much data that backing > >it up by ANY means is very non-trivial. Even if the disk could spit > >data at the maximum "super speed" of USB 3.0, isn't that still > >something like 10-hours just to fit so much data through the wire? > > The first time, yes. After that, using rsync for the backups takes only > a few minutes, depending on how many files have changed since the last > rsync. > > On another note, I'm disturbed with the OP's statement that he won't > buy another 18GB disk for another year. Until he does, his 18GB remains > a single point of failure. Currently quality, non-seagate 18GB 7200RPM > drives cost under $300.00. Is the data worth less than $300.00? If so, > why are we even discussing this? If not, why not adjust the budget: Use > instant coffee instead of Starbucks et. al, eat out one time less per > week for 30 weeks, trade steak and fish for rice and beans for a month > or so. Drink from the tap instead of bottled water, quit alcohol and/or > cigarettes if they play into the budget, forego entertainment for a > month. Work a few hours overtime if that's possible. > > Computing isn't cheap. It can be made cheaper by using older equipment > and lean Linux/BSD setups, but parts and storage have a finite cost. > > SteveT > > Steve Litt > > Autumn 2023 featured book: Rapid Learning for the 21st Century > http://www.troubleshooters.com/rl21 > _______________________________________________ > Discuss mailing list > Discuss@driftwood.blu.org > https://driftwood.blu.org/mailman/listinfo/discuss > _______________________________________________ Discuss mailing list Discuss@driftwood.blu.org https://driftwood.blu.org/mailman/listinfo/discuss
