Am using ubuntu 9.04 on a desktop. Have also tried with ubuntu 8.10 and 9.10. System is unable to detect and connect to a USB external drive--make is seagate, capacity is 250 GB, model is called freeagent.
Have also tried the device in windows7 where it is also not detected.
The external drive can be felt to be running as its whirring sound can be felt. Also it glows from the top due to some LEDs which shine thru holes on the top of the drive's cover. There is only one USB connector cable which acts both as a power supply cable and a data cable.
Generally USB devices when plugged in are detected instantly but this is not the case here. I have also installed pmount etc without any success.
Any help would be appreciated.
Thanks Kussh
Kussh Singh wrote:
Am using ubuntu 9.04 on a desktop. Have also tried with ubuntu 8.10 and 9.10. System is unable to detect and connect to a USB external drive--make is seagate, capacity is 250 GB, model is called freeagent.
Have also tried the device in windows7 where it is also not detected.
The external drive can be felt to be running as its whirring sound can be felt. Also it glows from the top due to some LEDs which shine thru holes on the top of the drive's cover. There is only one USB connector cable which acts both as a power supply cable and a data cable.
Generally USB devices when plugged in are detected instantly but this is not the case here. I have also installed pmount etc without any success.
Is your usb port supporting the power of the drive? Have you cross checked this drive on other USB ports behind your pc as well as on other machines? I have seen machines that take USB pen drives but cannot take the portable disk. It is the limitation of your motherboard's USB ports.
If it wasn't detected on Ubuntu and Windows, then it is probably a hardware issue. Try alternate USB ports. Also, try your HDD on another computer to identify where the problem really lies.
-- Regards, Sanket Medhi.
-----Original Message----- From: linuxers-bounces@mm.ilug-bom.org.in [mailto:linuxers-bounces@mm.ilug-bom.org.in] On Behalf Of Rony Sent: Wednesday, November 18, 2009 12:00 AM To: GNU/Linux Users Group, Mumbai, India Subject: Re: [ILUG-BOM] external drive problem in ubuntu
Kussh Singh wrote:
Am using ubuntu 9.04 on a desktop. Have also tried with ubuntu 8.10 and 9.10. System is unable to detect and connect to a USB external drive--make is seagate, capacity is 250 GB, model is called freeagent.
Have also tried the device in windows7 where it is also not detected.
The external drive can be felt to be running as its whirring sound can be felt. Also it glows from the top due to some LEDs which shine thru holes
on
the top of the drive's cover. There is only one USB connector cable which acts both as a power supply cable and a data cable.
Generally USB devices when plugged in are detected instantly but this is
not
the case here. I have also installed pmount etc without any success.
Is your usb port supporting the power of the drive? Have you cross checked this drive on other USB ports behind your pc as well as on other machines? I have seen machines that take USB pen drives but cannot take the portable disk. It is the limitation of your motherboard's USB ports.
On Wed, Nov 18, 2009 at 12:26 AM, Sanket Medhi sanketmedhi@mtnl.net.inwrote:
If it wasn't detected on Ubuntu and Windows, then it is probably a hardware issue. Try alternate USB ports. Also, try your HDD on another computer to identify where the problem really lies.
-- Regards, Sanket Medhi.
Thanks, am trying alternate usb ports now on another computer. Problem is
that with the older computers, USB2 ports are at the rear of such computers and USB extension cords have to be put or the computer moved to get to the rear of these old computers. The longer the extension cord, slower may be the data thruput of these external drives. The usb cord given alongwith the external drive is quite short.
Regards, Kussh
On Tue, Nov 17, 2009 at 11:59 PM, Rony gnulinuxist@gmail.com wrote:
Is your usb port supporting the power of the drive? Have you cross checked this drive on other USB ports behind your pc as well as on other machines? I have seen machines that take USB pen drives but cannot take the portable disk. It is the limitation of your motherboard's USB ports.
I think that this external drive is supported only by USB2 ports. Since my present computer/motherboard is old (pentium 4 motherboard), it could be that i am trying the drive with USB1 ports. Is there any way to connect USB2 ports onto this motherboard using a pci card or something similar?
The command lsusb gives me this information on this computer
kussh@desktop:~$ lsusb Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub kussh@desktop:~$
which shows that ONE usb2 port controller is present on this computer's motherboard alongwith 4 USB1 ports.
Kussh Singh wrote:
On Tue, Nov 17, 2009 at 11:59 PM, Rony gnulinuxist@gmail.com wrote:
Is your usb port supporting the power of the drive? Have you cross checked this drive on other USB ports behind your pc as well as on other machines? I have seen machines that take USB pen drives but cannot take the portable disk. It is the limitation of your motherboard's USB ports.
I think that this external drive is supported only by USB2 ports. Since my present computer/motherboard is old (pentium 4 motherboard), it could be that i am trying the drive with USB1 ports. Is there any way to connect USB2 ports onto this motherboard using a pci card or something similar?
The command lsusb gives me this information on this computer
kussh@desktop:~$ lsusb Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub kussh@desktop:~$
which shows that ONE usb2 port controller is present on this computer's motherboard alongwith 4 USB1 ports.
You will have to try out all your ports one by one. A pci-usb2 card should do the job but ask your supplier to allow its return if it does not work, before you purchase it. PCI-USB cards are unbranded and some are unreliable. If you can carry the drive to the shop and get the new card tested there itself, nothing like it.
Regards,
Rony.
You will have to try out all your ports one by one. A pci-usb2 card should do the job but ask your supplier to allow its return if it does not work, before you purchase it. PCI-USB cards are unbranded and some are unreliable. If you can carry the drive to the shop and get the new card tested there itself, nothing like it.
Regards,
Rony.
Thanks, Rony. Will have the drive tested at the shop itself and maybe try for pci to usb2 cards or sata to usb connectors to see if those will do the job.
Regards, Kussh
On 11/17/2009 10:07 PM, Kussh Singh wrote:
Am using ubuntu 9.04 on a desktop. Have also tried with ubuntu 8.10 and 9.10. System is unable to detect and connect to a USB external drive--make is seagate, capacity is 250 GB, model is called freeagent.
Have also tried the device in windows7 where it is also not detected.
The external drive can be felt to be running as its whirring sound can be felt. Also it glows from the top due to some LEDs which shine thru holes on the top of the drive's cover.
I hope I am wrong but I think what you have is a damaged disk.
To verify what is happening, open a terminal and execute $ tail -f /var/log/messages
Now connect the disk and then check the output on the terminal, if the system detects /anything/ connected to the USB port the event would be logged. If the system detects the disk but start complaining with something like 'DiskReadError' (I don't know the exact strings ...but something to that effect) ...then it's time to dig out that warranty card/purchase receipt.
If you don't get any such messages, paste the messages you get here and we can debug this further.
cheers, - steve
On Wed, Nov 18, 2009 at 10:44 AM, steve steve@lonetwin.net wrote:
On 11/17/2009 10:07 PM, Kussh Singh wrote: To verify what is happening, open a terminal and execute $ tail -f /var/log/messages
I did that but no change was detected in the var/log/messages even while the drive was plugged and unplugged a few times.
Now connect the disk and then check the output on the terminal, if the
system detects /anything/ connected to the USB port the event would be logged. If the system detects the disk but start complaining with something like 'DiskReadError' (I don't know the exact strings ...but something to that effect) ...then it's time to dig out that warranty card/purchase receipt.
If you don't get any such messages, paste the messages you get here and we can debug this further.
I will try again with the USB 2 ports and see if its a USB1 vs USB2 issue. Thanks for the help.
cheers,
- steve
Regards,
Kussh
-
Kussh Singh -
Rony -
Sanket Medhi -
steve