"Disk almost full" message

iMac - late 2012

macOS Sierra


I'm getting a "your disk is almost full" message after upgrading. Never had it before, and there's more than 600gb free on my 1tb drive. Is there a fix for this?

Posted on Sep 23, 2016 8:14 AM

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20 replies

Nov 10, 2016 2:24 AM in response to PKBA

When it happened to me I restored from a Time Machine backup prior to issues occurring and it resolved the problem.


Restarting the Mac, reinstalling the OS nor running Disk Utility did not have any effect. My gut feel is that it is a corruption in the disk indexing rather than the disk actually having lots of data on it (I.e the OS thinks the disk is full when it isn't as one or more files are showing a far larger size than they actually are)


Neil

Nov 21, 2016 6:34 AM in response to CurlySmith1

It's pretty annoying indeed. I have a SSD in my macbook and there is 33 Gb free, but this disk almost full message keeps nagging. Also, there is a lot of 'purgeable' memory. Even so, the 6 Gb free should be enough for practical purposes. I do not have this problem on my mac mini, 1 Tb normal HD with some 300 Gb free. I have twice run disk utility first aid after starting up from the system recovery disk (command-R after the startup sound), but the annoying message keeps coming. So far NO solution...

Dec 28, 2016 6:06 AM in response to CurlySmith1

i had this issue today 12/28/16 where i know i had 350Gb of free space and i was getting the system storage almost full message. I installed a free tool called omnidisksweeper which scans for files and reports by size. in my case i quickly saw there was a log file that was associated with parallels that was 350Gb in size. I deleted the file and emptied the trash. problem solved.

as for what caused the log file to report at that size i'm not sure but I will continue to monitor.

i'm willing to bet you have the same issue. it's likey a bug in sierra as i've had parallels installed for years and never an issue with yosemite or el capitan.

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"Disk almost full" message

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