Here is a fix to check out when getting resizing errors with Disk Software on macOS Prime Sierra.
After a few years using the venerable HFS+, Apple has in the end launched an up to date filesystem aptly named the Apple Filesystem (APFS for brief). The brand new APFS, launched with macOS Prime Sierra, sports activities improvements to encryption, record integrity and house allocation, and provides options reminiscent of cloning and snapshots.
What's a filesystem?
A filesystem is the good judgment an working gadget makes use of to catalog, retailer, and retrieve information on a garage medium reminiscent of a disk force.
Shrinking partition ends up in an error
As with all implementation of a brand new characteristic set, finish customers may run into surprising quirks and incompatibilities. One such quirk I bumped into used to be seeking to resize my MacBook Air's gadget partition to make room for a GNU/Linux set up at the similar pc. I used Disk Software to accomplish a partition shrink (one thing I have finished numerous of occasions up to now) and bumped into error code 49153.
The way to fix APFS partition shrink errors.
The wrongdoer it sort of feels are in the community saved snapshots of Time Gadget backups on my macOS Prime Sierra gadget partition. The fix is the next.
Backup, Backup, Backup
As at all times, run a Backup of your gadget.
Flip off Time Gadget
Get started a terminal consultation
- Release Terminal
- On the command recommended input tmutil listlocalsnapshots /. This will checklist the Time Gadget snapshots for your partition.
Subsequent input tmutil thinlocalsnapshots / 99999999999999. This will delete the entire snapshots. This will take a bit of of time.
- Take a look at that the entire snapshots aren't any long past with tmutil listlocalsnapshots /.
Retry your partition shrink with Disk Software
You'll now retry the adjustments you wish to have to make in your partition. You'll apply our Disk Utility guide if you want lend a hand or you'll be able to run diskutil shape the command line in case you are extra happy with terminal and use the guy diskutil command for more info.
Re-enable Time Gadget
In the end, as soon as your partition shrink has finished, flip Time Gadget again on.
- Release Machine Personal tastes.
- Make a choice Time Gadget.
- Take a look at Backup Mechanically.
Feedback or Questions?
That about sums it up. I am not positive if this happens on Macs that experience upgraded from HFS+ to APFS or if this additionally happens on new gadget installs however optimistically, the will for purchasing into the terminal will likely be got rid of with an update to Disk Software at some point. Do you've got any feedback or questions? Depart them within the remark phase!