But because underneath the surface it is using hardlinks (basically advanced aliases) to the last backup that it made, it’s actually only storing fresh copies of the files that have been changed since the previous time a backup was made, and the rest are hardlinks to the previous backup. Even if you Get Info on it using the Finder it will tell you that it’s taking up 500GB of space. This will appear and act as an exact clone in every way.
#BACKUP SOFTWARE FOR MAC OSX FULL#
Not very useful.īy selecting Snapshots, this mac backup software will employ some wizardry whereby you can fit a full apparent clone of your disk which contains 500GB of data and 1 million files in as little as 3GB, instead of the usual 500GB that would usually be needed. Say you had a 500GB internal drive, and your backup disk had 700GB of space available on it, then in normal circumstances you would be able to fit about one and a half clones onto your backup disk. Although it would be laborious and space consuming to make a complete clone of your stuff every time a backup is made. So how can we preserve the good without also preserving the bad? If you are working with your files and you make a mistake, you don’t want that mistake to be automatically reflected in your backups, but at the same time you do want to preserve the latest work you have done. This allows you to preserve versioned changes on your backup disk for months. Incremental Snapshots: (preserves all you file’s history while efficiently using space)Īt first it seems impossible, but the Incremental Snapshot feature allows you to store what seems to be 15TB of information on a 2TB drive. Since the root will never have any items deleted from it, anything else you are storing on that external will not be affected by any Syncs to that destination disk. This is to allow you to have, for example, a bootable external disk which you also use for storage of other miscellaneous items. This is the backup method typically employed by most mac backup software. The beauty of this Synchronization in this case is that by using it the result is indistinguishable from an originally-made clone, it’s as good as a brand new clone, but it only copies the files are different between the source and destination. If you already have a partial backup (for example, an out-of-date previously made clone, or even just a Finder copy between two folders) you can use Synchronization to create a clone faster than creating it from scratch. Synchronization: (keeps your bootable backup in sync) It will be happy backing up petabytes of data, or complex folder hierarchies with arcane filesystem metadata, permissions, and ACL’s set, and reproduce an exact, indistinguishable, duplicate. If you want to make reliable and exact duplicates of anything you can throw at it, this is the way to do it. That is fine, it is not designed for that. It will even struggle with large folders with lots of files in it, and the copies are not resumable if you have to restart them. Did you ever try to copy your System folder for example? That won’t work. Make an exact duplicate of a folder or disk, fast.Īlthough we typically just use drag & drop for simple folder copies in the Finder, when we want to make a copy of something that is more complex, that simply won’t do. Mac Backup Guru has 3 main functions for creating bootable backups, and for keeping your data in synch across backups: Direct Cloning, Synchronization, and Incremental Snapshots.Īll of them can handle anything from small amounts of files & data to massive amounts.ĭirect Cloning: (useful for a fast bootable backup)
#BACKUP SOFTWARE FOR MAC OSX HOW TO#
To see how to use it in practice take a look at the product manual. Or if you prefer to jump straight in you can download a fully functional trial Or purchase it here.
For a light visual overview of this mac backup software have a look around the User Guide. Mac Backup Guru creates bootable backups, and incremental snapshots for efficiently preserving history.
Backups to HFS+ volumes will be bootable, even on Catalina. Right click and select “Open” if you get an error by opening this application in macOS CatalinaĬompatible with APFS & macOS Catalina and below.
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