[SATLUG] USB Drive will not mount

Peter Cross pjcrux at gmail.com
Wed Jun 2 14:46:12 CDT 2010


Mark,
Yes it has an external power supply. you're power supply issues maybe
because the bus on the machine you are using doesn't supply the necessary
current/volts/watts to the drives (typically an unpowered USB 2.0 or any USB
1.1 port will do this, I have this issue with my dell D600).

You are the second person now to tell me to check "dmesg | tail" and I will
go do that. 8) More to come later tonight when I get off of work.

Cheers!

Peter

On Wed, Jun 2, 2010 at 2:39 PM, mark <mayfield_mark at att.net> wrote:

> On Wed, 2010-06-02 at 13:19 -0500, Peter Cross wrote:
> > Kind of perplexed right now...
> >
> > Last night I had my nephew plug in a 1TB drive into the xbox360 so we
> could
> > watch some movies. As I was in another room he decided to format the
> drive
> > in the xbox360 dashboard using fat32. Now no big deal I had the movies
> > backed up on my server. I reformatted the drive back to ntfs and all of
> my
> > windows clients will mount the drive but my linux clients will not
> (fedora
> > 12 and ubuntu 10.04 LTS). After a "fdisk -l" the drive is not recognized
> by
> > my Fedora 12 client. I also tried a "mount -a" as a last ditch effort.
> still
> > no bueno on the mount aspect. an output of "df" is listed below:
> >
> > [root at heretic ~]# df
> > Filesystem           1K-blocks      Used Available Use% Mounted on
> > /dev/sda1             16513960    481000  15194100   4% /
> > tmpfs                  3968044       100   3967944   1% /dev/shm
> > /dev/sda7               516024     79236    410524  17% /home
> > /dev/sda6             10321204    193560   9603360   2% /tmp
> > /dev/sda3             16513960   3166624  12508476  21% /usr
> > /dev/sda2             16513960    768856  14906244   5% /var
> > /dev/sdc1            961432072 263927424 648666648  29% /var/hda/files
> > /dev/sdb1            1442145212 454705268 914183144  34%
> > /var/hda/files/movies
> > funionfs             961432072 263927424 648666648  29%
> > /var/hda/apps/ushare/files
> >
> >
> > any thoughts? do I need to format the drive another way?
> >
> > --
> > Cheers!
> >
> > Peter J. Cross
> > San Antonio, TX
> >
> > "Experience has taught mankind the necessity of auxiliary precautions"
> > -James Madison, Federalist Paper No. 51
> >
> > Please consider the environment before printing this email
>
> Does the external drive have its own power source? I've had some issues
> with external drives that don't have their own external power sources. I
> can usually get them to work by trying different USB ports. For some
> reason USB hard drives (not flash drives) without power supplies do not
> always function properly on all of a machines USB ports. I would try
> each USB port one by one and fdisk -l, giving the drive about 30 seconds
> to settle after being plugged in. Hopefully it will come up on one of
> the ports.
>
> Also check the output of "dmesg | tail" after you plug it in and see if
> you get any messages about the drive.
>
>
>
>
> --
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-- 
Cheers!

Peter J. Cross
San Antonio, TX

"Experience has taught mankind the necessity of auxiliary precautions"
-James Madison, Federalist Paper No. 51

Please consider the environment before printing this email


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