Working with multiple partitions on a USB drive

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Working with multiple partitions on a USB drive

Postby habfan29 on Tue Sep 25, 2012 3:26 pm

Here's an interesting one for the hardware gurus. I have a 2 TB Seagate USB 3.0 drive. It came formatted as NTFS by default but I wanted to use part of it for daily rsnapshot backups, so I repartitioned the drive thusly: 1.6 TB NTFS, 400 GB EXT3. When I plug the drive in, Linux Mint 13 sees and mounts both partitions successfully. When I'm finished with the drive the fun starts.

If I click on "Safely Remove Drive" of the NTFS partition on the desktop, Mint unmounts both partitions just fine - usually. Sometimes it decides to remount both partitions after a delay of 30 seconds or so. If I plug the drive in again.. nothing. I start seeing messages like this:

[ 1716.328039] xhci_hcd 0000:02:00.0: Timeout while waiting for a slot
[ 1716.328047] hub 4-0:1.0: couldn't allocate port 2 usb_device

The drive isn't even recognized until I reboot.

Now if I click on "Safely Remove Drive" of the EXT3 partition, that partition unmounts, but the NTFS partition gets.. hung. I get bizarre messages like this:

Sep 18 20:48:37 ian-home ntfs-3g[16818]: Unmounting /dev/sdd1 (SG2NTFS)
Sep 18 20:49:38 ian-home udevd[16596]: timeout '/sbin/blkid -o udev -p /dev/sdd1'
Sep 18 20:49:39 ian-home udevd[16596]: timeout: killing '/sbin/blkid -o udev -p /dev/sdd1' [16854]
Sep 18 20:49:44 udevd[16596]: last message repeated 5 times
Sep 18 20:49:44 ian-home kernel: [ 5809.832246] sd 14:0:0:0: Device offlined - not ready after error recovery
Sep 18 20:49:45 ian-home udevd[16596]: timeout: killing '/sbin/blkid -o udev -p /dev/sdd1' [16854]

The drive also ends up unusable until I reboot.

Prior to repartitioning the drive, Mint was fine with it. Unmount, unplug, plug back in, remount, I could do it all to my heart's content.

Anyone have any advice? Even if it's "Go buy another external drive and make it solely EXT3 and save yourself the hassle"?
habfan29
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