Toshiba Canvio Desktop External Hard Drive Disassembly
I tried using the adapter from the Toshiba Hard drive on another hard drive seagate 2tb and a samsung 500gb and neither showed up on the computer it made the sound that it was connected and it even showed in the device manager that they were connected but it never showed on the computer. Does the hard drive have to be a specific rpm? and another thing the driver for the seagate is not working right but with the toshiba adapter it showed that it was working properly.
My DWC120 2TB died after one weeks usage, the supplier admitted that it was a troubled design with lots of returns.
Robert, was the drives spinning? Are they brand new unformatted drives? If they show up in device manager, but not in Windows Explorer, then I suspect they are just not formatted. The final indicator is Disk Management. If they are working, they will show up in Disk Management for you to initialize and format.
Raven, if you do decide to put the case back together, maybe you and device some external fasteners so that you can split the case again in the future.
Hello. I have the same Toshiba Canvio USB3 unit.
Thanks for this info - I recently has a 3TB Canvio fail, and extracted the DT01ABA300 disc (or "Hitachi HDS5C3030BLE630" in the SMART data) which is still working. The USB interface must have failed.
To get at the old backups on it, I directly connected it as a SATA disc on a Linux system, and figured out how to successfully mount it as an NTFS filesystem, and read the data. As the way to do this is a bit subtle, thought it worth recording here.
Connected directly, the drive offers 512 byte sectors to Linux, rather than the remapped 4k sectors via the USB interface. Because of this, the MBR no longer correctly describes the location and size of the NTFS filesystem, so NTFS cannot be mounted in a straightforward way. The MBR says the NTFS filesystem starts at sector 256, and with the USB 4k sectors, that is 1MiB into the disc. However with the directly connected 512 byte sectors Linux understands this to start at 128KiB (256 * 512), so the filesystem makes no sense.
This can be overcome by using the loopback device to directly describe a partition starting at offset 1MiB (1048576 bytes) into the full disc, ignoring the MBR entirely. Here are the commands (on CD bootable Knoppix 7.2 flavour Linux, logged in as root superuser), with the disc showing up as the second disc sdb:
# check the 3TB disc really is sdb, and the NTFS partition is shown at sector 256
losetup -r -o 1048576 /dev/loop0 /dev/sdb
# Now /dev/loop0 gives the read-only NTFS partition (and beyond if anything were there, but this does not matter)
od -c /dev/loop0 | head
# that shows the start of the partition, and you should see the "NTFS" ascii fingerprint shown
mount -r -t ntfs /dev/loop0 /mnt
# now the NTFS partition is mounted read-only at /mnt
ls -l /mnt
# DIR of the top directory
I will use this to copy the data to a new disc. I can see no reason why read-write access would not work (leave out -r option on both commands), but I am playing safe and only reading it.
For the record, this is what fdisk -l shows the MBR as:
Disk /dev/sdb: 3000.6 GB, 3000592982016 bytes
Device Boot Start End Blocks Id System
Luckily I also had saved the fdisk -l output of the drive when it was USB connected earlier as 4k sectors, so for comparison, as /dev/sdc this time:
Disk /dev/sdc: 3000.6 GB, 3000592982016 bytes
Device Boot Start End Blocks Id System
Hope this is of use to anyone similarly recovering data.
Rwendland, thank you for those instructions. That's exactly what I was looking for.
I'm not needing them yet, since the drive was just bought, but I wanted to make sure that there will be a possibility to salvage the data if the enclosure fails at some point.
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