tag:blogger.com,1999:blog-7952810330436823110.post4443481796834787981..comments2024-03-18T07:41:36.524+01:00Comments on The Grey Blog: Shrink Your Time Machine Backups and Free Disk SpaceEnrico M. Crisostomohttp://www.blogger.com/profile/02688166348157974808noreply@blogger.comBlogger12125tag:blogger.com,1999:blog-7952810330436823110.post-71276929555310738312018-03-18T13:25:02.171+01:002018-03-18T13:25:02.171+01:00My suggestion is to use a ZFS-backed disk, set the...My suggestion is to use a ZFS-backed disk, set the record size to 1MB, and use gzip compression. On my ZFS-backed time machine disk, I'm seeing about a 39% reduction in backup size, purely thanks to compression.<br /><br />You'll need either a Linux distro or FreeBSD to host the ZFS disks, and Netatalk for the AFP network share. Not trivial to set up, but works very well, and will save you a ton of space, and get you a much longer Time Machine backup history, which is nice.Anonymoushttps://www.blogger.com/profile/07107590671473531166noreply@blogger.comtag:blogger.com,1999:blog-7952810330436823110.post-2198956902574901362017-01-05T12:36:34.238+01:002017-01-05T12:36:34.238+01:00hello Enrico,
thanks for the article, I have a qu...hello Enrico,<br /><br />thanks for the article, I have a question I can't find the answer to (on internet in general, thats probably my key-words are "too general" in desciribng the issue).<br /><br />I plugged the disk I use for the time machine after a long break in making back-ups. Last one is from 17th of November, today we have 5th of January. The back-up started, but Time Machine not only copies the files I created on my computer between these dates, but also copies all files. So it means the backup from today takes the same size as the previous one (ca. 240 GB). <br /><br />When I was using Time Machine on another Mac and was doing it regularly it was back-uping only added files, so the space taken wasn't doubled, like in today case. <br /><br />I am curious if I can somehow work on this so the Time Machine back-ups only new or changed files, not all the existing ones, so I can save some space on the external hard drive. I guess the cause of my issue is that I haven't plug my time machine hard drive for so long. But I cannot change the past and it is rather impossible to check all the files manually and not missing a single one..,<br /><br />I hope I expressed myself clearly, I am rather a noob in computer-raleted things :)<br /><br />looking forward for your response, <br />EwaJesiuhttps://www.blogger.com/profile/07933532884508668636noreply@blogger.comtag:blogger.com,1999:blog-7952810330436823110.post-54190924678343164222016-10-27T13:42:24.018+02:002016-10-27T13:42:24.018+02:00Hi Eric,
Nope. Nowadays /usr/bin is for binaries ...Hi Eric,<br /><br />Nope. Nowadays /usr/bin is for binaries installed by the OS and its package manager, while /usr/local/bin is for binaries installed by the administrator. Also, the difference is historical: "local" indicated the fact that the file system was locally mounted, while /usr could be network mounted. In either case, I believe that you should install it under /usr/localEnrico M. Crisostomohttps://www.blogger.com/profile/02688166348157974808noreply@blogger.comtag:blogger.com,1999:blog-7952810330436823110.post-90330819332049296082016-10-27T10:08:28.687+02:002016-10-27T10:08:28.687+02:00FYI the script should be /usr/bin not /user/local/...FYI the script should be /usr/bin not /user/local/bin in install.conf <br /><br />Hope that helps also.<br /><br />-Eric Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-7952810330436823110.post-10839247767547718302016-10-27T10:07:14.404+02:002016-10-27T10:07:14.404+02:00Great script do you crontab this? if so how do you...Great script do you crontab this? if so how do you bypass entering in the password every time? <br /><br />-Thank you!<br />EricAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-7952810330436823110.post-49779015811252762002016-02-19T05:59:45.760+01:002016-02-19T05:59:45.760+01:00Enrico:
When I try to do that, I get the followin...Enrico:<br /><br />When I try to do that, I get the following message in Terminal:<br /><br />Starting to compact…<br />Reclaiming free space…<br />Usage: hdiutil compact [options] <br /> hdiutil compact -help<br /><br />Any Idea what I might be doing wrong? I've used "hdiutil compact" to compact SuperDuper images without problem; not sure what I'm doing wrong here.<br /><br />Thanks!<br /><br />KenAnonymoushttps://www.blogger.com/profile/08592722441266308822noreply@blogger.comtag:blogger.com,1999:blog-7952810330436823110.post-59791221958594526932015-10-03T11:37:05.977+02:002015-10-03T11:37:05.977+02:00Thanks Enrico, very useful Thanks Enrico, very useful freahttps://www.blogger.com/profile/11226262652446433833noreply@blogger.comtag:blogger.com,1999:blog-7952810330436823110.post-58856434066092745622015-09-24T12:59:36.841+02:002015-09-24T12:59:36.841+02:00Hi Enrico!
I am having a problem with my Time Mac...Hi Enrico!<br /><br />I am having a problem with my Time Machine when backing up to a NAS. It tells me the drive is full and the old backups cannot be deleted. So I think your script would be a great solution to my issue as my backups within 30 days are never that huge. <br /><br />But I don't know much about the use of terminal in mac. Can I simple double click on the install.conf file and that's it? And can I place the files anywhere?<br /><br />Regards!<br />anakAnonymoushttps://www.blogger.com/profile/14022390000883384719noreply@blogger.comtag:blogger.com,1999:blog-7952810330436823110.post-50346902622702019402015-07-22T12:59:42.235+02:002015-07-22T12:59:42.235+02:00I guess you are missing the point of the script.I guess you are missing the point of the script.Enrico M. Crisostomohttps://www.blogger.com/profile/02688166348157974808noreply@blogger.comtag:blogger.com,1999:blog-7952810330436823110.post-11529166348372429312015-07-22T12:50:09.144+02:002015-07-22T12:50:09.144+02:00No need for a script, you can just
$ sudo tmutil...No need for a script, you can just <br /><br />$ sudo tmutil delete /Volumes/Time Machine Backups/Backups.backupdb/iMac/2014-02-*<br /><br />Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-7952810330436823110.post-49069230953258157312015-05-02T13:51:01.781+02:002015-05-02T13:51:01.781+02:00Hi Eric,
Here it is:
https://github.com/emcrisos...Hi Eric,<br /><br />Here it is:<br /><br />https://github.com/emcrisostomo/Time-Machine-CleanupEnrico M. Crisostomohttps://www.blogger.com/profile/02688166348157974808noreply@blogger.comtag:blogger.com,1999:blog-7952810330436823110.post-14061531750276809632015-02-18T21:07:13.023+01:002015-02-18T21:07:13.023+01:00Hello. How about creating a script to delete all b...Hello. How about creating a script to delete all backups that are older than 3 months or 6 months?<br /><br />Thanks.Anonymoushttps://www.blogger.com/profile/09959145944371453583noreply@blogger.com