Linux stops detecting new disks/block devices after certain number

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I have a computer I use for imaging disks running Ubuntu 16.04. Each disk is inserted into a USB 3.0 dock, imaged/wiped, and then disconnected. The disks don't have any mounted filesystems which need to be dismounted. They disappear from gnome-disks as expected. Eventually, using gparted and/or the gnome-disks, I am no longer able to see any new disks that get added. Sometimes, new disks show up under an old /dev/sdx device and I can access them but they show the old device's partition table and size. I assume this is because /dev/sdx is filling up and the kernel is holding onto pointers to disks which no longer exist?



What can I do to prevent this behaviour or tell the kernel to "forget" disconnected disks?






disk gnome-disks






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    I have a computer I use for imaging disks running Ubuntu 16.04. Each disk is inserted into a USB 3.0 dock, imaged/wiped, and then disconnected. The disks don't have any mounted filesystems which need to be dismounted. They disappear from gnome-disks as expected. Eventually, using gparted and/or the gnome-disks, I am no longer able to see any new disks that get added. Sometimes, new disks show up under an old /dev/sdx device and I can access them but they show the old device's partition table and size. I assume this is because /dev/sdx is filling up and the kernel is holding onto pointers to disks which no longer exist?



    What can I do to prevent this behaviour or tell the kernel to "forget" disconnected disks?






    disk gnome-disks






    share























      up vote
      0
      down vote

      favorite









      up vote
      0
      down vote

      favorite











      I have a computer I use for imaging disks running Ubuntu 16.04. Each disk is inserted into a USB 3.0 dock, imaged/wiped, and then disconnected. The disks don't have any mounted filesystems which need to be dismounted. They disappear from gnome-disks as expected. Eventually, using gparted and/or the gnome-disks, I am no longer able to see any new disks that get added. Sometimes, new disks show up under an old /dev/sdx device and I can access them but they show the old device's partition table and size. I assume this is because /dev/sdx is filling up and the kernel is holding onto pointers to disks which no longer exist?



      What can I do to prevent this behaviour or tell the kernel to "forget" disconnected disks?






      disk gnome-disks






      share













      I have a computer I use for imaging disks running Ubuntu 16.04. Each disk is inserted into a USB 3.0 dock, imaged/wiped, and then disconnected. The disks don't have any mounted filesystems which need to be dismounted. They disappear from gnome-disks as expected. Eventually, using gparted and/or the gnome-disks, I am no longer able to see any new disks that get added. Sometimes, new disks show up under an old /dev/sdx device and I can access them but they show the old device's partition table and size. I assume this is because /dev/sdx is filling up and the kernel is holding onto pointers to disks which no longer exist?



      What can I do to prevent this behaviour or tell the kernel to "forget" disconnected disks?






      disk gnome-disks




      disk gnome-disks





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      Mr. T

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