Persistent USB boot not working

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Re: Persistent USB boot not working

Postby kwatson512 on Sat Jan 10, 2009 12:48 pm

Thanks. I believe the one I got (http://www.corsairmicro.com/products/voyager/default.aspx) is pretty much equivalent to yours. I may try a native install in a week or two, but I'm satisfied with the live USB with persistence I have now. (Not my primary system.)
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Re: Persistent USB boot not working

Postby mschilling on Sat Jan 10, 2009 2:46 pm

Interesting. I did a little reading on your link, thanks. Did you get the GT version? It seems that the 16gb sticks are more difficult to get the faster speed out of. The tech support from Corsair explains the situation. This alone would not explain the huge difference in speeds that you experienced though. http://www.asktheramguy.com/v3/showthread.php?t=67674
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Re: Persistent USB boot not working

Postby kwatson512 on Sat Jan 10, 2009 2:58 pm

I actually have one of each, both 16GB. Currently I have Mint 6 on the blue one (not GT) and Ubuntu 8.10 on the other one. Both are persistent live USB installs.
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Re: Persistent USB boot not working

Postby mschilling on Sat Jan 10, 2009 3:30 pm

Nice. Well, if anyone else is willing to experiment with a full install vs. a persistent install and compare speeds, it would be interesting to hear their results. Back to back testing would be great. Seems like we're both pretty happy with our installations currently, and we don't feel like deleting and reinstalling.
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Re: Persistent USB boot not working

Postby kwatson512 on Sat Jan 10, 2009 7:23 pm

:| Well, against my better judgment (based on past experiences) I took up the challenge and installed Mint6 on my 16GB Corsair Flash Voyager GT USB flash drive. I did it as a full installation, with the HDD physically removed from the laptop. The system will not boot from that stick. I think it has to do with how drives and partitions are identified. Here's the /etc/fstab file from that installation.

Code: Select all
# /etc/fstab: static file system information.
#
# <file system> <mount point>   <type>  <options>       <dump>  <pass>
proc            /proc           proc    defaults        0       0
# /dev/sdb1
UUID=fd5f700c-7c35-411e-809a-125cb26104be /               ext3    relatime,errors=remount-ro 0       1
# /dev/sdb5
UUID=fed3cd19-39cd-4863-9b26-35a63331876c none            swap    sw              0       0


I tried booting two ways: with the HDD in the machine, and with it removed. With the HDD installed, here's the error message (after selecting Mint 6, kernel 2.6.27-7-generic in the boot menu):
Error 17: Cannot mount selected partition

Press any key to continue...


With the HDD removed, here's the error message:

Error 25: Disk read error

Press any key to continue...


Thoughts?
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Re: Persistent USB boot not working

Postby kwatson512 on Sat Jan 10, 2009 10:09 pm

Sorry for the multiple posts, but I've made a little progress. I still think I have an fstab issue, but I solved another one. I realized /boot/grub/menu.lst identified the boot drive as (1,0) and sdb1 so I changed all the references there to (0,0) and sda1 since I'm booting directly from the USB stick. (On installation I used the live USB to install to the other stick, so it identified the destination as sdb.)

Just tried booting, and got bounced to BusyBox with the following message:

Starting up ...
Loading, please wait...
19+0 records in
19+0 records out
kinit: name_to_dev_t(/dev/disk/by-uuid/fed3cd19-39cd-4863-9b26-35a63331876c) = dev(8,21)
kinit: trying to resume from /dev/disk/by-uuid/fed3cd19-39cd-4863-9b26-35a63331876c
kinit: No resume image, doing normal boot...
mount: mounting /root/dev on /dev/.static/dev failed: No such file or directory
mount: mounting /sys on /root/sys failed: No such file or directory
mount: mounting /proc on /root/proc failed: No such file or directory
Target filesystem doesn't have /sbin/init.
No init found. Try passing init= bootarg.


BusyBox v1.10.2 (Ubuntu 1:1.10.2-1ubuntu6) built-in shell (ash)
Enter 'help' for a list of built-in commands.

(initramfs)


So I'm still stuck...
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Re: Persistent USB boot not working

Postby mschilling on Sat Jan 10, 2009 10:52 pm

Looks like it may be the UUID problem that I've had in the past with dual booting ubuntu and mint. I noticed the UUID numbers in your errors... :evil: viewtopic.php?f=90&t=5579
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Re: Persistent USB boot not working

Postby kwatson512 on Sat Jan 10, 2009 11:09 pm

Thanks for the link. I followed the wiki and changed /etc/fstab, but got the same error on boot again. :(
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Re: Persistent USB boot not working

Postby mschilling on Sun Jan 11, 2009 12:00 am

Too bad, maybe give the latest ubuntu a try and see if it works as well as mine did. :D
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Re: Persistent USB boot not working

Postby kwatson512 on Sun Jan 11, 2009 3:07 pm

Interesting... I just reformatted my non-booting USB stick and used the Pendrivelinux Live CD method to make another Live USB instance of Mint 6. This time I slid the slider all the way to the right, asking for a 14.4GB persistence file. However, what I got was a 4GB persistence file. Subsequent to that I learned that FAT32 filesystems can only accept files up to 4GB. So the limitation is in the filesystem, not the Live USB Creator. Still, it works like a champ!
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Re: Persistent USB boot not working

Postby mschilling on Sun Jan 11, 2009 11:11 pm

To be able to use all of the 16 gig on your stick would be nice though. The larger flash drives are getting cheaper. Here's a 16gb high speed for only $25. http://www.tigerdirect.ca/applications/ ... CatId=2634
The larger ones are getting cheaper too. I would like to install my linux system on one and have room for my home folder too. Hopefully Mint will catch on and be able to install on one in the near future. :D
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Re: Persistent USB boot not working

Postby Sal Marciano on Fri Jan 16, 2009 8:58 pm

I'm a new user as of 2 days ago and must say I really like it. The method I used to install it on my USB was http://www.pendrivelinux.com/usb-linux- ... n-windows/ . It didn't require the Live USB Creator. The downside is that I couldn't select the persistence size. I'm quite happy using it. The downside is that it does take a while to boot ......almost as long as a Live CD. I did have firefox freeze on me quite a few times.

But to sum it all up, I like it a lot. Plugins work out the box and the simplicity is a plus! :)
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Re: Persistent USB boot not working

Postby Virtuouso on Thu Apr 23, 2009 4:40 am

I think the problem alot of you might be having is that you can't mount the rest of the stick because its booting from that drive as an image with the persistant file for updating. If you tried creating 2 partitions on your USB memory, the first about 5 ish gig at a guess to install your linux and a 4gb casper file, less if your using a smaller loop file. You should then be able to mount the second partition within your system hopefully.
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Re: Persistent USB boot not working

Postby kwatson512 on Thu Apr 23, 2009 1:51 pm

Virtuoso,

Yes, I was able to do that, but Windows can only see the first partition on the drive. It's wierd, though. With Xubuntu on the USB stick, I can see all the files on the drive. With just Ubuntu (or Mint) I can't. So it depends on the configuration of each distro, I guess.
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