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Problem copying large file to external USB
I have an occasional problem and hope someone can offer a suggestion.
My system is a Win 7 with an ssd C drive. For backup I use Acronis, and have used it for years starting with Win XP. It is set to do a full backup once a week and an incremental on other days. The backups are written to my internal E drive, and I copy those to an external USB drive for extra protection to avoid loss in case my entire desktop were to die. My ssd is at less than 50 per cent used as are the internal E drive and the external USB. I never have a problem when copying an incremental file, typically about 3 gigs, from E to the external usb but about every other time when I copy the full backup Acronis TIB file, usually 45 to 50 gigs, the progress bar will hang while showing 3 or 5 or some similar number of minutes remaining. The only way I can clear the message is a manual power off. Trying to cancel the operation or using the task manager to stop the process does not work. After I reboot and check the usb drive it shows that the file was copied, it has the same file size as the one on the internal E drive and a CRC check indicates no error. Any suggestions as to why this happens and how to avoid it? |
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Problem copying large file to external USB
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Problem copying large file to external USB
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Problem copying large file to external USB
In article , havant1
@earthlink.net says... software I've occassionally had the same problem but instead it was while copying very large folders of mp3 files, e.g. 700+Gb. I ended up using a 3rd party tool to do it rather than the frustration of it sometime stalling along the way leaving some files copied and others not. Freefilesync is what I use. I only use it to basically sync a couple of folders. I'm unsure if some timeout isn't involved given of the six external/portables I have the only two have never had any issue of any sort are the two externals which both have full size 3.5" internal drives in them (basically they're enclosures) rather than 2.5" laptop drives. One's a SATA 1Tb WD other is a IDE 500Gb WD. |
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Problem copying large file to external USB
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Problem copying large file to external USB
havant1 wrote:
My system is a Win 7 with an ssd C drive. For backup I use Acronis, and have used it for years starting with Win XP. The backups are written to my internal E drive, and I copy those to an external USB drive for extra protection to avoid loss in case my entire desktop were to die. I never have a problem when copying an incremental file, typically about 3 gigs, from E to the external usb but about every other time when I copy the full backup Acronis TIB file, usually 45 to 50 gigs, the progress bar will hang while showing 3 or 5 or some similar number of minutes remaining. The only way I can clear the message is a manual power off. Trying to cancel the operation or using the task manager to stop the process does not work. After I reboot and check the usb drive it shows that the file was copied, it has the same file size as the one on the internal E drive and a CRC check indicates no error. Any suggestions as to why this happens and how to avoid it? Acronis is a company name, not a product name. Is the USB drive using FAT32 for its formatting? If so, 2 TB is the largest partition size on that drive. You need to reformat the USB drive to use NTFS, or ... Configure Acronis True Image (if that's what you are using) to slice its backup files. If you use a 3rd party file slicing utility, you'll have to use it again to re-merge those files so Acronis True Image can read those files. Having ATI do the file slicing so each backup file is complete in the format that ATI uses to read them. Or ... Get a different USB-attached HDD. Some will go idle (spin down) even when they should be busy. Because of the next described problem, the USB drive may think it is not busy so it sleep. Some "green" drives can be a bitch to awaken. Stay away from green-qualified drives: too short an idle time for when they sleep, the low-power mode is programmed in the drive's firmware so nothing you do in Windows power optios will keep that USB drive constantly awake. Or ... Make sure you are using the detailed or list view in Windows Explorer during the copy. You don't want it hanging on a huge file trying to refresh the thumbnail cache. Thumbnails on huge files can take a long time to dig into to find an image to present as a thumbnail, and there probably is no graphic image in the backup file to find, anyway. Explorer ends up using the generic thumbnail for the data type, if assigned to a handler, but it will waste time looking for an image to use for the thumbnail. You might a slowly left-to-right moving green progress bar travelling through the address bar. That's Explorer rebuilding the thumbnails which you don't need on a non-graphics file. Is there a hang or long pause when you copy the backup file (full) from your E: drive (is that an HDD?) to a temp folder on C: (SSD) if there is room on C:? |
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