It will overwrite files with the same name. You can set with a parameter whether it will do a mirror-like sync or to instead leave files that have been deleted on source directory on the backup directory. To delete extraneous files on the destination directory use the --del parameter.
--Doug On Mon, Apr 8, 2013 at 2:07 PM, Barry MacKichan < barry.mackic...@mackichan.com> wrote: > No, the odds *have gotten *me. I am assuming that rsync overwrites past > history, so it saves less than a time machine. Is that correct? > > On Apr 8, 2013, at 1:44 PM, Douglas Roberts <d...@parrot-farm.net> wrote: > > Did I fail to mention that I keep backups of my backups? I did, didn't > I... > > I am not paranoid, the odds *are* out to get you. > > --Doug > > On Mon, Apr 8, 2013 at 1:35 PM, Barry MacKichan < > barry.mackic...@mackichan.com> wrote: > >> 1. Is your 3TB drive off-site? Offsite backup is the problem to be >> solved, IMHO. >> 2. I imagine that the probability that your 3TB drive will be alive and >> functional in a year is less than 99.999999999% (not that I fully >> believe Amazon's claims, but they do monitor their disks and move the data >> when the error rate hits a certain threshold). >> 3. If my data is off-site, I want it encrypted. I'm not sure how to do >> that with rsync. We do use rsync nightly, however, to update our CTAN >> mirror. >> >> --Barry >> >> >> On Apr 8, 2013, at 12:26 PM, Douglas Roberts <d...@parrot-farm.net> >> wrote: >> >> Just curious why you Mac guys are buying backup systems, when there is a >> perfectly good way to use rsync. Here's my nightly backup script, which >> currently sends my nightly incrementals to a cheap 3TB USB3 external drive: >> >> #!/bin/bash >> >> # Just in case they are not mounted >> /bin/mount /mnt/3TB >&/dev/null >> /bin/mount /mnt/Movies >&/dev/null >> /bin/mount /mnt/Video >&/dev/null >> >> >> # >> #/home/roberts >> # >> echo "Starting /home/roberts backup" >>/home/roberts/backup2.log >> date >>/home/roberts/backup2.log >> >> /usr/bin/rsync -vurltD --exclude-from=/home/roberts/.rsync/exclude >> /home/roberts /mnt/3TB >>/home/roberts/backup2.log 2>&1 >> >> >> echo "Completed /home/roberts backup" >>/home/roberts/backup2.log >> date >>/home/roberts/backup2.log >> >> >> >> >> On Mon, Apr 8, 2013 at 12:02 PM, Steve Smith <sasm...@swcp.com> wrote: >> >>> My $.02 on Time Machine. >>> >>> I bought a 2TB time machine about 4? years ago and set up two MB Pro's >>> with it. Other than a little irritation from accidental reboots on the >>> device (connected to the same power strip as my flakey motorola internet >>> service, yielding a reboot via powerstrip toggle sometimes), I've had >>> nothing but good look. >>> >>> I've only had one occasion to do a full restore in an emergency and it >>> worked like a charm.. I *have* used it to migrate between MB Pros and an >>> iMac about 5 or 6 times in the same period. That has worked flawlessly as >>> well. >>> >>> It might be prudent to back that up somewhere offsite, but I'm just not >>> that prudent and now am spoiled to my regular "backup" and potential >>> "restores" being almost entirely invisible to me. I can't tell from the >>> discussion on the list how "transparent" the true cloud services are, >>> unfortunately I'm pretty sure my totally lame internet would make *restore* >>> a long and painful experience. >>> >>> >>> - Steve >>> >>> I have one data point. One of our Macs near Seattle had a drive fail, so >>> I had an employee take it to an Apple store. The 'genius' was very happy >>> when he saw the Time Machine, and, I think, nothing was lost. >>> >>> About the depth of cloud backups: I now use Arq on the Mac. The >>> backups are in Amazon's S3, and the frequency is settable: I have one done >>> every hour. You set a limit on how much space you want to use -- just as a >>> Time Machine has a fixed size -- and once you hit that limit, it will >>> overwrite the oldest versions as necessary. Also the paid version of >>> DropBox keeps at least some history. For saving a Time Machine offsite, >>> Amazons Glacier storage is one cent a gigabyte per month, so your 150 >>> gigabytes would be $18 per year. They really hit you with transfer charges >>> if you try to read a large amount in a short time, but since that >>> presumably happens only when your Mac and your time machine have both been >>> roasted in a fire, you probably will be happy to pay them. Unfortunately >>> 150 gigs is not enough for most time machines. >>> >>> --Barry >>> >>> >>> On Apr 6, 2013, at 8:42 AM, "Robert J. Cordingley" < >>> rob...@cirrillian.com> wrote: >>> >>> So has anyone successfully restored an entire system from the Cloud (or >>> a Time Machine come to think of it)? How easy was it? Any statistics on >>> success rate? >>> >>> >>> >>> >>> ============================================================ >>> FRIAM Applied Complexity Group listserv >>> Meets Fridays 9a-11:30 at cafe at St. John's College >>> to unsubscribe http://redfish.com/mailman/listinfo/friam_redfish.com >>> >>> >>> >>> ============================================================ >>> FRIAM Applied Complexity Group listserv >>> Meets Fridays 9a-11:30 at cafe at St. John's College >>> to unsubscribe http://redfish.com/mailman/listinfo/friam_redfish.com >>> >> >> >> >> -- >> *Doug Roberts >> d...@parrot-farm.net* >> *http://parrot-farm.net/Second-Cousins*<http://parrot-farm.net/Second-Cousins> >> * <http://parrot-farm.net/Second-Cousins> >> 505-455-7333 - Office >> 505-672-8213 - Mobile* >> ============================================================ >> FRIAM Applied Complexity Group listserv >> Meets Fridays 9a-11:30 at cafe at St. John's College >> to unsubscribe http://redfish.com/mailman/listinfo/friam_redfish.com >> >> >> >> ============================================================ >> FRIAM Applied Complexity Group listserv >> Meets Fridays 9a-11:30 at cafe at St. John's College >> to unsubscribe http://redfish.com/mailman/listinfo/friam_redfish.com >> > > > > -- > *Doug Roberts > d...@parrot-farm.net* > *http://parrot-farm.net/Second-Cousins*<http://parrot-farm.net/Second-Cousins> > * <http://parrot-farm.net/Second-Cousins> > 505-455-7333 - Office > 505-672-8213 - Mobile* > ============================================================ > FRIAM Applied Complexity Group listserv > Meets Fridays 9a-11:30 at cafe at St. John's College > to unsubscribe http://redfish.com/mailman/listinfo/friam_redfish.com > > > > ============================================================ > FRIAM Applied Complexity Group listserv > Meets Fridays 9a-11:30 at cafe at St. John's College > to unsubscribe http://redfish.com/mailman/listinfo/friam_redfish.com > -- *Doug Roberts d...@parrot-farm.net* *http://parrot-farm.net/Second-Cousins*<http://parrot-farm.net/Second-Cousins> * <http://parrot-farm.net/Second-Cousins> 505-455-7333 - Office 505-672-8213 - Mobile*
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