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free space variability

About this tag
Free space variability refers to the unexplained fluctuation in available disk space on a Windows system, often observed without any user activity. In a reported case on WindowsForum.com, a user with a triple SSD RAID 0 configuration running Windows 7 noticed free space changing between 11 GB and 17 GB within hours, even after removing restore points and performing disk cleanup. Potential causes discussed include failing SSDs, as a degraded drive in a RAID array can cause erratic space reporting, or system processes like restore point creation, page file resizing, or temporary files. The thread highlights troubleshooting steps such as checking disk health with manufacturer tools, monitoring system restore settings, and verifying RAID controller status. This tag covers user experiences and advice for diagnosing unpredictable free space changes on Windows systems.
  1. J

    Windows 7 Space available on a triple SSD (40GB each) in RAID 0 keeps changing

    A couple of weeks ago I got a message that I had virtually no space on my C drive (3 x 40GB SSD in RAID 0). This was a big surprise. I am running Windows 7 PRO. I removed some restore points to get back to 7 GB of free space. I then did a disk cleanup to get to 11 GB. Since then, the free...
    • johnr6
    • Thread
    • data management disk cleanup disk space disk usage experience index free space free space variability hardware issues performance raid restore point ssd storage issues system performance troubleshooting windows 7
    • Replies: 8
    • Forum: Windows Hardware
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