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| Subject: | Re: [opensuse] How to mount USB drive in single user mode? |
| Group: | Suse-linux-e |
| From: | Carlos E. R. |
| Date: | 9 May 2008 |
Hash: SHA1
The Friday 2008-05-09 at 08:47 -0700, Simon Roberts wrote:
>> That's a curious problem. I have always been able to switch modes.
>
> Yes, but my install of 10.2 has never been very satisfactory frankly. It
> was almost impossible to install (10.0 and 10.1 flatly refused to
> install on this hardware. The install crashed before I could do
> anything. Even, as I recall, in "safe" mode. 10.2 installed, but has had
> a litany of problems that I never could get to the bottom of. 64 bit,
> dual core, with some funky (but Intel-supported) video. The video was
> the worst bit. Attempts to change mode (including "logout") universally
> lock the machine up. I have to hibernate, or forcibly power down.
Ouch. One of those... bad luck. It's probably the video (my educated
guess).
>>> fdisk -l shows slices fine, but is only useful to me if the device has
>>> already been mounted as it doesn't show unmounted anything.
>
>> fdisk -l should list all partitions regardless of the mount state.
>
> Curious. Perhaps I did it wrong, but with the drive attached but not
> mounted, it didn't show up. Oh, but maybe that was in single user mode.
> Yes, must have been, because it auto-mounted in runlevel 1 anyway.
Could be that. I never used that "single" thing in grub. Dunno what it is.
[...]
> Actually, "yes, yes" :) This bit I'm entirely confident of, but I don't
> think you understood quite what I meant. I am doing this:
>
> dd if=/dev/sda1 of=/media/USB_DRIVE/HUGE_IMAGE_FILE.dat bs=128M
Ah!
That's different, of course.
> You're right, of course about the 4GB limit, but that just requires some
> careful arithmetic to split the image across extents. Haven't had to do
> that since floppy disks come to think of it (yes, this is my first
> machine I've treated this way with partitions greater than a DVD).
Try this instead:
dd if=/dev/sda1 of=/dev/sdb1 bs=128M
assuming sda is your hard disk and sdb the usb disk. You do not need
filesystems at all - just a paper label on the disk, lest somebody tries
to reformat it ;-)
That's a bit drastic, anyway. But I format my external usb drives in ext3
or reiser, no 4GiB limit.
> Thanks again for all the input and suggestions. I think I'm going to
> have a look into rcopy, cpio, and maybe tar. It would be nice to have a
> file-level copy that's properly sound too/instead.
Welcome!
- --
Cheers,
Carlos E. R.
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