Files in the same folder appear together, but other than that the placement of files is arbitrary. The graphical representation is a logical one, where each file is shown as a rectangle with an area proportional to the files size. OmniDiskSweeper just counts what is there, but GrandPerspective shows 191GB of 'Miscellaneous used space' (big grey box on the side) and System Profiler lists it as 'Other'. This can help you to manage your disk, as you can easily spot which files and folders take up the most space. I then tried using "find" to look for single large files, using "sudo find / -size +94371840" (anything larger than 90Gb), and I get the following errors:Īfter searching Google, a "Bad file descriptor" error points to an inode issue, that fsck cannot fix, but I don't know enough (read: anything) about inodes to risk running the clri command to zero the problem inode. Good news: A file viewer like DaisyDisk Opens a new window (not free, but currently developed) or GrandPerspective Opens a new window (free, but development status unknown) will show you where the lost space is being used, and allow you to delete the offending bytes. I have OS X 10.15.7 running on a 500GB SSD and OmniDiskSweeper, GrandPerspective and System Information show that I have used about 270GB but only have about 30GB free. I have subsequently run TechTool Pro and DiskWarrior on the startup drive (both of which found various minor errors), but the 94Gb still refuses to show itself. This reported several errors, and took 3 passes to repair the directory structure, but didn't recover the missing space. ![]() Reply russintexas Additional comment actions Oh, they can be large. Basically, it is unclear what is taking up this space. Ive used GrandPerspective with full disk access and I get this: Thats 61. It can help you to manage your disk, as you can easily spot which files and folders take up the most space. How big can IOS Simulation files be Somehow i cant imagine that its bigger than 5GB. Any used space that is not accounted for by GrandPerspective based on the size of all files it scanned is dubbed miscellaneous used space. GrandPerspective scan showing more than 50 of disk used by miscellaneous files Help Im pulling my hair out trying to figure out what is using so much space on my drive. 2.99 Screenshots GrandPerspective is a small utility application that graphically shows the disk usage within a file system. I then booted into Single User mode to run fsck on the startup drive. GrandPerspective found an installation package in the size of 13GB somewhere, im gonna take a further look at here. In addition to the usual file usage and free space, this shows a single 94Gb block of "miscellaneous used space". Using "du" doesn't report any unexpected huge files, so I tried running GrandPerspective. ![]() The Finder reports that I have approximately 89Gb of free space, but using "df" reports that there is approximately 178Gb free. ![]() I noticed a few days ago, possibly as the result of a recent kernel panic, that I have a large chunk of hard drive space missing. This is a key that allows us to enter a zero-space entity between the virama and so that they are not joined together rather is joined to the zero-space.
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