Cant' mount usb drive, /dev/sda1 not showing up


 
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Special Forums Hardware Filesystems, Disks and Memory Cant' mount usb drive, /dev/sda1 not showing up
# 1  
Old 03-19-2009
Cant' mount usb drive, /dev/sda1 not showing up

Hi, I'm trying to mount a usb drive but the path /dev/sda1 does not show up under /dev when I plug in the usb device.

In fact I see no differences under /dev before and after I plugin my usb drive.

Any ideas why the system is not recognizing the usb drive and how to fix?

This is on a Solaris 10 OS.



thanks,
# 2  
Old 03-20-2009
I am not into Solaris but I know it from my Debian box. Maybe it helps so here you go:

I just had to make sure the USB kernel modules / drivers are there and then I just mount it to some mountpoint. It is not like that when I plug in the stick that there will be automatically be a device file created unter /dev. The needed device files are already there.

I just go on with
Code:
mount /dev/sda1 /mnt/usb

When plugged in, I get in /proc/bus/usb/devices following additional entry:
Code:
T:  Bus=04 Lev=01 Prnt=01 Port=07 Cnt=01 Dev#=  3 Spd=480 MxCh= 0
D:  Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
P:  Vendor=090c ProdID=1000 Rev=11.00
S:  Product=CnMemory
S:  SerialNumber=AA04012700016716
C:* #Ifs= 1 Cfg#= 1 Atr=80 MxPwr=100mA
I:  If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage
E:  Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=31875us

The other entries are about the controller etc.

Make sure that sda1 is not a partition or something of your other SCSI devices.
# 3  
Old 03-20-2009
Is this a brand new USB drive?
# 4  
Old 04-08-2009
sorry for such a delayed response...

The USB drive is not new, it is the first time i've plugged it into this machine. I plugged into a Linux machine running and it was recognized right away.

When i do an rmformat the USB drive does not show up.


any other suggestions?



thanks,
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