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Who has never been triggered or received an alert of lack of disk space and had no idea where the disk occupancy was?
There are several ways to take up disk space and give the Windows administrator a headache, in this post I will comment on what, in my point of view, is the most annoying “System Volume Information” directory.
Who is this “System Volume Information” guy?
This directory contains information about disk indexing NTFS quota informationRestore point system data and backup using Windows Server BackupData for backup using some backup tools.If you use “Shadow copy”, each new version of VSS snapshot saves data in that directory, etc.
You shouldn't worry about the data in that directory, where the tool that's generating the data and file versionings in that directory should clean up the data and play life, but since we work with IT and not necessarily the tools do what they're supposed to do, we're going to do the job of identifying and clean up that structure.
In a visual way, to find out if you're having problems with this directory, I recommend using a tool like “TreeFile Size”, “WizTree”, “DiskUsage”, etc.
By “Windows Explorer” originally this directory is not displayed, you need to change the display settings to show hidden system files and directories.
When you try to access you will receive an access denied error even if you are the system administrator.
Now that you know who this directory is, you know that it exists, you have seen where it is, to calculate the space occupied by it you will open the command prompt in admin mode and go to type:
vssadmin list shadowstorage
If you have something configured with “System Volume Information” it should show a result similar to:
Cool, we now have information on how much the maximum space can be allocated to resources and how much is actually allocated.
If the value is set to “UNBOUNDED” it means that the sky is the limit, or the total disk space, whatever ends up first...
For example, let's put the limit for the letter C: in 2GB
vssadmin resize shadowstorage /on =c: /for =c: /maxsize=2GB
He will write that he has resized the space for the shadow copy service.
You can change /maxsize =XGB to percentage as well, that's /maxsize = 10%
If you create “system state” backups, windows also create this structure in the letter C:, to delete them you can run:
wbadmin delete systemstatebackup -keep versions:0
That should be enough to clear those directories from your drives, now understand why they are being fed to prevent this from happening again? run after the backup people...
