0
votes
1answer
15 views

Difference between “removable drive hot-plugged” and “removable media inserted”?

On Xubuntu's "Removable Drives and Media" settings, I see two items that can each be checked on/off that seem very similar. Can someone explain what the difference is? Under the "Storage" tab are [ ...
1
vote
1answer
44 views

Removable Drive keeps getting dropped/ unmounted [closed]

I plug in my 1tb removable Drive and Ubuntu mounts it. I start extracting my 45gb of 7z compressed photos and after a period of time appears to be about 10 minutes the drive unmounts and the ...
0
votes
0answers
17 views

How do I prevent unnecessary USB spin up?

When I open a document in some applications, Gedit for instance, I have to wait five to ten seconds while I can hear my USB disk spinning up. This happens even though the document I open resides on ...
1
vote
1answer
35 views

Identify udev subsystems and devtypes

I have to write a python script to monitor for usb mass storage devices. To successfully filter the required media it must be identified by its subsystem and DEVTYPE. Does anyone know the required ...
2
votes
0answers
54 views

External HDDs don't appear until unplugged and plugged back in

I'm trying to use my Ubuntu computer as a file/media server, and I have four removable HDDs plugged in. After a fresh boot, two of them mount, or appear in fdisk or /dev/sd*, but they do appear in ...
0
votes
1answer
22 views

how do I unmount my phone

I am confused . Do I need to mount a new sd card or phone or usb stick or external hdd drive every time I plug it in? And I cannot see them if I accidentally close them. I do not know how to eject ...
0
votes
1answer
186 views

USB Drive not Auto Mounting After Ejecting

Yesterday I plugged my USB drive into my ubuntu 13.10 laptop, it auto mounted and I clicked into a few directories and opened a couple of files, everything looked good. Then I ejected it. Today I ...
0
votes
1answer
18 views

Ubuntu USB Failed Install

I tried to install Ubuntu on USB but it failed. Now my USB has 0 free and its not even booting. How can I restore the USB to reinstall the Ubuntu
0
votes
0answers
173 views

Usb 3.0 speed transfer is suddenly slow

I'm using Transcend Storejet M3 500 GB external hard drive. The drive has usb 3.0. My laptop has only usb 2.0 ports. The speed is about 30 MB/s (write or read). To me it is fast enough. But since ...
1
vote
1answer
354 views

Determine if a USB HDD has bad sectors/blocks

How do I scan for bad sectors/blocks on a portable USB HDD using Ubuntu? The first thing I want to do is determine how many bad sectors/blocks the drive has (if any). The next thing I want to do is ...
0
votes
1answer
188 views

Disable all USB Storage Devices except USB Dongle

I need to disable all USB storage devices except a software Protection Dongle. How do I do it? I tried black listing the USB storage device, but that seems to block ALL usb devices including the ...
1
vote
0answers
179 views

reasonable USB mount points

Plugging in my Android cellphone in Mass Storage mode mounts the SD card via USB onto an insane pathname like /media/sp;<_html>/ which of course causes problems later with other programs like ...
2
votes
1answer
333 views

GET flash memory type: SLC or MLC

Just for my knowledge, I would like to know whether the type of flash memory used in my pendrive is SLC or MLC. Is there a way to find it out? I googled but found nothing.
4
votes
1answer
115 views

How can I temporarily suspend Nautilus filesystem automounting, without making permanent changes to the system and user configuration?

I have written a tool which automatically formats and copies files to USB flash drives when they are inserted. It needs the drive to be unmounted to format it. Normally Nautilus will automatically ...
1
vote
0answers
790 views

Cannot mount USB 3 harddrive

I cannot mount an USB 3 harddrive. When looking at dmesg I got the following error: [ 96.463269] usb 3-2.1: >new low-speed USB device number 10 using xhci_hcd [ 96.485777] usb 3-2.1: >New ...
12
votes
8answers
15k views

How to safely remove a USB external drive?

How I can safely remove a USB external drive? Ubuntu 12.10 does not come with this option, only to "Unmount" the disk, but not "Eject". I have tried both USB sticks and with my external hard ...
1
vote
3answers
2k views

unable to format usb 1204 [daemon inhibited ]

i try to format my usb 1st time its work all data gone but i can't save any file at this usb . then i try to check is it working or broken here the report santos@santos:~$ sudo badblocks -v ...
1
vote
2answers
491 views

how can I prevent nautilus from running when I plug in a USB stick?

I run XFCE4 on Ubuntu 11.10. When I plug in a USB memory stick, I get two new windows popping up, both showing the contents of the memory stick. One is Thunar (which I want) and one is nautilus ...
1
vote
1answer
656 views

Making nautilus/cp/scp/rsync “progress” cache-aware

When transferring moderately large files (~500-800 MB) to/from a USB disk in nautilus, or using (s)cp (with progress bar from ...
5
votes
2answers
2k views

Only 746.52 GB of 3TB drive is seen when accessed via USB enclosure. Works fine internally

I have a Mediasonic Smart Drive SuperSpeed 3.5" SATA HDD External Enclosure - USB 3.0 [HD6-SU3-BK]. It has the VIA VL700 - Super-Speed USB 3.0 to SATA controller which is supposed to support 3TB ...
3
votes
1answer
3k views

How to troubleshoot slow USB2.0

I'm running Ubuntu 11.10 64-bit and writing to a USB 2.0 device is very slow. I have two USB hard drives and two USB keys that I've tried. I've tried using nautilus drag and drop, cp, and rsync ...
1
vote
2answers
122 views

How do I make usb sticks not ever use any write cache?

That is, I want to be able to pluck them out anytime without worrying if data will be lost. I want every write to actually be written immediately.
8
votes
2answers
740 views

Does Ubuntu support USB 1.0?

I have a 16 GB 1.0 USB Stick in titanium with leather bound, which i happen to love. I know it works in Vista (of all things) but in Ubuntu 11.04 (i also have gnome 3, if that may affect, but am ...
3
votes
3answers
1k views

My Passport Essential external usb 3.0 drive runs at usb 2.0 speed

0 WD My passport drive plugged into a (blue) usb 3.0 port. I mount it and it transfers at about 14MByte/sec. Under windows 7 (I have dual boot) it transfers at about 120 to 230 MByte/sec on the same ...
2
votes
0answers
538 views

usb3 device only detected as usb2 device [closed]

I've got a bug filed as my USB3 thumb drive in Maverick and Natty only gets detected as a USB2 device (please find some details below). Launchpad bug record Has anyone an idea how to troubleshoot ...
8
votes
2answers
4k views

How many usb hard drives can be plugged into a laptop using a port replicator?

I've got a laptop with 2 USB 2.0 and 1 USB 3.0 ports and I would like to know how many USB hard drives I could plug into it. Is there a hard limit in the Linux kernel? On the performance side, what ...