Capacity of drive

45 pts.
Tags:
external drive
My external drive is supposed to have a capacity of about 1TB (931 GB, but when I tried to back up the data on my new computer, it said it was full after 459 GB. With my old computer, it appeared to back up everything.

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  • TomLiotta

    It's possible that that's all the drive will hold regardless of what its stated "capacity" is. It's practically impossible to use all of a drive's 'capacity'. Essentially every file on the drive will necessarily waste on average half of a sector. Depending on the OS and the file system, the amount of waste might be much larger.

    Bad sectors and possibly other elements might also reduce physical capacity, though details about what the drive is would need to be known in order to determine if they would and how much.

    It's also a little suspicious that the amount you say is used is right close to one-half of the stated capacity, and a little less. There are a few potential reasons that a physical drive's capacity might be twice the amount that's stored on it. We'd need to know more about what the drive is, what the enclosure is, how it's configured, what the OS is, what the file system is, and perhaps various other details.

    Tom

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  • Subhendu Sen
    Which OS r u using now !! Guessing Windows.... try out here:
    Click start >run & type compmgmt.msc follow the enter key. Click disk management option in left pane of the window that appears and check the drive to see if there is unallocated space.  However, which manufacturer/ model (like WD/ Seagate/Samsung) are irrelevant here, but if possible plz specify more details. Is there a FAT32 partitions, if yes, how much or how much for NTFS.... (all guessing OS as Windows)
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