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I've always mounded my usb drive with /dev/sda1 now i installed Slackware 12.2 and there is not sda1 only sda and it doesn't work. whats going on? is there a ...
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- 06-19-2009 #1
mounting usb with sda1
I've always mounded my usb drive with /dev/sda1 now i installed Slackware 12.2 and there is not sda1 only sda and it doesn't work. whats going on? is there a way to get sda1 back? or do i use something else?
- 06-19-2009 #2
- Join Date
- Nov 2004
I believe since the driver changed a year or two back even IDE drives are referred to as /dev/sd? too, so your own harddrive might be using that identifier. The drive itself doesn't have an sda style name bound to it, they are assigned as you attache more devices. They go in order, e.g. sda, sdb, sdc, sdd etc and the partitions on each device are the number.
The best thing to do is insert the device and immediately run dmesg for a clue as to what drive it might be. Here's an example where I plugged in an external drive which ended up being identified as /dev/sdhCode:
[ 803.936019] usb 2-2: new high speed USB device using ehci_hcd and address 5 [ 804.070268] usb 2-2: configuration #1 chosen from 1 choice [ 804.071019] scsi9 : SCSI emulation for USB Mass Storage devices [ 804.071223] usb-storage: device found at 5 [ 804.071226] usb-storage: waiting for device to settle before scanning [ 809.068495] usb-storage: device scan complete [ 809.069224] scsi 9:0:0:0: Direct-Access TOSHIBA MK6037GSX 0D PQ: 0 ANSI: 2 CCS [ 809.070980] sd 9:0:0:0: [sdh] 117210240 512-byte hardware sectors: (60.0 GB/55.8 GiB) [ 809.071705] sd 9:0:0:0: [sdh] Write Protect is off [ 809.071708] sd 9:0:0:0: [sdh] Mode Sense: 00 38 00 00 [ 809.071711] sd 9:0:0:0: [sdh] Assuming drive cache: write through [ 809.072582] sd 9:0:0:0: [sdh] 117210240 512-byte hardware sectors: (60.0 GB/55.8 GiB) [ 809.079817] sd 9:0:0:0: [sdh] Write Protect is off [ 809.079821] sd 9:0:0:0: [sdh] Mode Sense: 00 38 00 00 [ 809.079823] sd 9:0:0:0: [sdh] Assuming drive cache: write through [ 809.079830] sdh: sdh1 [ 809.108120] sd 9:0:0:0: [sdh] Attached SCSI disk [ 809.109989] sd 9:0:0:0: Attached scsi generic sg9 type 0
- 06-19-2009 #3
Yeah, bigtomrodney is right, that can happen. And I admit it's terribly confusing, specially when you dual boot. I believe, but I'd have to check, that it is a kernel setting though. I have no such confusing stuff on my Slack 12.2 boxen.
You can also mount devices per hardware address if you want more reliability and/or flexibility.
First, lets see your
dmesg|tailCan't tell an OS by it's GUI
- 06-19-2009 #4
- 06-20-2009 #5
- Join Date
- Apr 2009
first partition on this hard drive
Best way to find out the device name of your external usb drive is
after you inserted the drive (wait for a few seconds then)
look at the last columns
after eliminating the internal device names (hda* or sda*)
the next (sda* or sdb* or sdc*) should be the names for the last inserted usb drive
or you could also as root
this command tells you also the filesystem type
- 06-20-2009 #6
thanks i got it, it is sda but it wasn't mounting before because i guess the drive was damaged and had to be formated. somthing must have happend during the installation, but it is sda. thanks again