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 Forum index » House Training » Beginners Help ( Start Here)
Understanding mounts/memory/RAM & filesystems/_save file
Moderators: Flash, Ian, JohnMurga
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RetroTechGuy


Joined: 15 Dec 2009
Posts: 2818
Location: USA

PostPosted: Mon 09 Dec 2013, 00:41    Post subject: Re: Please help...Unable to unmount USB flash drive  

Winescape wrote:
I hope this is the correct place to post this request.


Generally it would be better to start a new topic.

If you were reading this thread, at the bottom click "new topic" instead of "post reply".

Welcome to the kennels! Wink

Quote:
I am running Wary Puppy from a USB flash drive plugged into my HP 510 laptop (which has a crashed Win XP system installed). Wary Puppy is to be the rescuer, and eventually may be the main OS...I like it a lot.

The first time I used Wary, I was able to mount and dismount all drives shown, and copy some key Win XP files...thanks for this.

However, on the second use, I am unable to dismount the Wary USB drive.

When I try to unmount, the error message I receive is "/dev/sdb1 mounted as /initrd/mnt/dev_save is in use by Puppy. You cannot unmount it."

Yikes. I tried Google, but am not clear about how to proceed. I would appreciate some steps to take so that I can unmount this USB and turn off the laptop without corrupting the Wary Puppy.

All help welcome. Thanks.


You booted from (or loaded a savefile on) the USB drive.

This is normal operation. Your OS and save file can't be removed (kinda like pulling someones brain out...)

If the problem is that you need your flash drive elsewhere (because it's big, for example), you can run pretty comfortably on a 2GB flash drive (or even a 1 GB, assuming you could find such any more) -- so if that's the problem, get a small dedicated flash drive.

If you are short on USB ports, and need to be able to pull flash drives to plug in other stuff, perhaps try an installation on your HDD.

If you have remnants of the XP boot on your hard drive (and if the hard drive works), you may be able to use Lin'N'Win to hook into the existing installed boot tools (I do the changes from Puppy, which eliminates some of the "unhide, modify and hide" steps...

If you want to boot without loading your save file, when offered a prompt at the beginning of the boot sequence, use:

Code:
puppy pfix=ram


And it will load to RAM, without loading your save file.

If you load your save file from the USB, you cannot unplug it.

My newer laptop has a SD card slot, where I boot from -- leaving the Windows system completely untouched -- and my USB ports all open. My older systems are all Lin'N'Win installs (dual booting Puppy and WinXP or Win98).

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Winescape

Joined: 08 Dec 2013
Posts: 6

PostPosted: Mon 09 Dec 2013, 01:22    Post subject: Starting new thread  

Thank you very much for responding, RetroTeck Guy. I appreciate the welcome, and your suggestions. It looks as if I should start a new thread. I'm dealing with a big mess here that I think Puppy can solve if I go about things in the right way with help from people like you.
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april


Joined: 14 Sep 2013
Posts: 805
Location: Burning up on the Great Barrier Reef (Mostly Dead or Dying(me too))

PostPosted: Mon 12 Sep 2016, 16:57    Post subject:  

Bruce B wrote:
potchan wrote:
Hi Dennis, Bruce B and Team,
Take a look at this:
http://www.murga-linux.com/puppy/viewtopic.php?t=37660
Any help for you ? :roll:

Only I noticed amigo referenced the swapon -s switch and
it doesn't exist in Puppy's swapon. I've attached the full
featured swapon if you want it.
Code:

Usage:
 swapon -a [-e] [-v] [-f]             enable all swaps from /etc/fstab
 swapon [-p priority] [-v] [-f] <special>  enable given swap
 swapon -s                            display swap usage summary
 swapon -h                            display help
 swapon -V                            display version

The <special> parameter:
 {-L label | LABEL=label}             LABEL of device to be used
 {-U uuid  | UUID=uuid}               UUID of device to be used
 <device>                             name of device to be used
 <file>                               name of file to be used

~


This is back on page 2
I had a problem with my Precise 5.7.1 in that the Savefile size showed red even though I had cleaned it out drastically . I got this file and ran it and the thing was magically fixed up and back into green . Can some one explain why this would be ? Is Puppys swapon deficient in some way? I don't have a swap file in fstab that I am aware of . "swapon -s" does not show any swap activity.

For the experience I created a swap file on a USB stick with #mkswap /dev/sdc1
(which is dangerous as everything else is wiped on the stick)
Then I activated it with #swapon /devdsc1/
I was then able to get some swap activity going and read it with # cat /proc/swaps.
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