1
vote
0answers
122 views

USB turn write protection off forced

I have a USB-flash device (SanDisk SDCZ33 BM120423519D) with no hardware switch, which is stuck in readonly mode: # hdparm /dev/sdf /dev/sdf: SG_IO: bad/missing sense data, sb[]: 70 00 05 00 00 00 ...
0
votes
1answer
84 views

Ubuntu not mounting brand-new external drive

I bought a brand new 3TB external drive for my birthday coming up, It's a WD My Book, it came as NTFS, and I'm trying to make it mount using a simple script on boot. (Not /etc/fstab, I ruined my comp. ...
0
votes
1answer
84 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
229 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
29 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
406 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
96 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
37 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
242 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
21 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
1answer
273 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
189 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
413 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
121 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 ...
2
votes
0answers
813 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
20k 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
555 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
693 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
3k 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
123 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
794 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
567 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
5k 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 ...