Rich | 17 May 17:23 2016
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User seeking help

I misunderstood the original instructions.
Am I now sending this to someone who can help me?

Reviewing prior posts, I'm not seeing anything past October, 2015.
Am I missing something?

I've built a new machine: Asus Z97-A motherboard, Intel i5-4690K, 8G ram.
USB keyboard & mouse.
It boots and perfectly runs a clone of Fedora 20 Linux, and runs the 
Fedora 23 live DVD without issues.
I built this machine as a backup to my primary one, and to use for 
testing new installations.
One task remains: making sure I can clone drives on it.

G4U V-2.5 makes my clones; never a single issue until now.
BIOS finds keyboard, mouse, and monitor, but G4U does not.
When finished loading/scanning, the standard menu appears, but keyboard 
has no effect.
All peripherals (keyboard, video, mouse, audio) work fine with three 
other systems.

It appears G4U is running into issues with this mobo/BIOS.
Can do anything to make this work?
Perhaps some BIOS change I'm unaware of?
My only alternative is trying return/exchange all-new hardware for 
something else.
Failing there, I have $550 in hardware to create data I can't clone.
Just tried G4U V-2.6 Beta-1 with same effect.
Thank you.

(Continue reading)

Nathan Martin | 10 Oct 02:32 2015

v2.5+ Floppy images are no good

Hello,

I'm probably the only one who has tried out the floppy disk images for 
g4u in years and I've discovered that only v1.17 (single) floppy image 
actually works. The others, 2.5 and 2.6beta1, do not.

For 2.5 after loading all three images/disks the following occurs during 
bootup:
...
boot device: <unknown>
root on md0a dumps on md0b
Supported file systems: mfs ffs cd9660
no file system for md0 (dev 0x1100)
cannot mount root, error = 79
root device (default md0a):    <I pressed enter>
dump device (default md0b):    <I pressed enter>
file system (default generic): <I pressed enter>
root on md0a dumps on md0b
Supported file systems: mfs ffs cd9660
no file system for md0 (dev 0x1100)
cannot mount root, error = 79
root device (default md0a):

So I have no idea how to fix g4u 2.5 floppy boot problem from here on 
out. Verified with just loading the images via virtualbox VM test guest 
after getting same results on physical floppy disks with an old laptop.

Now on to 2.6beta1, simply it's asking for a disk 4 and there is no disk 
4 image provided. Oops.. This time I checked the images via virtualbox 
instead of writing to a bunch of floppy disks first. ;-)
(Continue reading)

Krämer Kevin | 10 Jul 12:04 2015
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Problem with recovering image

Hello together,

 

I got a problem virtulizing our Proliant 3000 with Unixware 7.

I booted the server with the g4u CD and got the following disks:

 

Ld0 at cac0 unit 0: RAID5 array (70GB)

Ld1 at cac0 unit 1: RAID 1 array (9GB)

 

I used uploaddisk command with ld0 and ld1 at the end for each logical disk.

After this I created a virtual machine on an ESXi 5.5 (with Unixware 7 Support) and added two IDE drives (not SCSI).

After using slurpdisk command to wd0 and wd1 I rebooted the virtual machine and got error loading operating system.

With deploying the image to two SCSI drives I got the same problem.

 

I suspect that it is not supported to recovery the image from a logical disk to a IDE drive – am I right?

 

Do you got any further hints for me, which I could test?

This machine is very important for us and I’ll try anyting to get it virtulized before the disk drives crash.

 

Thank you in advance

 

Kind regards

 

Kevin

 

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Henson, Girard | 10 Jul 02:05 2015

Having an issue with G4U

Hi there,

 

Thank you for putting out this tool. Some of the folks here have used it for years to perform local disk clones just fine. However, we are running into an issue when we decided to implement the FTP transfer. We were able to capture the image successfully on to the FTP server, but when we try to write it back to the disk, the connection disconnects at seemingly random intervals. The only errors we get are a 426 error on the server and a 421 on the client if we do a CTRL + C. Is there any guidance you could provide us on how to address this? Does G4U offer some kind of logging mechanism? We’re running some tests with Wireshark but we could use all the input possible. We have tried using both IIS FTP and FileZilla.

 

Girard

 

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Mateusz Viste | 14 Mar 10:39 2014

g4u automation - any experience?

Hello list,

I am wondering about using g4u to perform backups of a bunch of PCs. 
These backups would be performed by the users themselves, so I am 
looking after a solution that could be as much automated as possible..

I have read about g4u, and it looks like an astonishing piece of 
open-source software - however, it seems targeted to IT admins. For a 
user, entering the address of a FTP server, providing the name of his 
disk device etc is often black magic (*even* for users that are supposed 
to be professional programmers..).

Anyway, g4u looks really promising, but I'd need to find a way to 
automatize it (for eg. via some kind of custom script). The final goal 
for me would be to have such thing:
  - the user boots g4u from a CD
  - g4u boots, gets an IP over DHCP, and gets a script or config file 
from the DHCP server
  - a simple menu appears, asking to select either "1. backup" or "2. 
restore". then, for the "backup" option:
  - performs a dump of the PC's drive (configured in the script), but 
only up to X GB (let's say, first 128G)
  - pushes the dump to the FTP server (configured in config file), into 
a file that is named after the mac address of the PC
  - once done, halts the PC

Now, I don't see any scripting feature integrated into g4u, but maybe 
I'm missing something. Where should I look? Where would I need to start? 
Have anyone already done similar things?

cheers,
Mateusz

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Colin Ager | 22 Feb 14:16 2014
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re-Problem with g4u 2.5 reading sata disk with vol groups


Hi Hubert Thanks for reply. Just to clarify the situation "dmesg"
does find wd0 and correctly identify it. It only fails when it tries to 
read the partitions. The first sign of trouble is the line:

"wd0: dos partition drive fault"

Then there are several repeats of:

"wd0d device fault reading fsbn 0 (wd0 bn 0; cn 0 tn 0 sn 0),retrying"
followed by

"ixpid0: 0: 0".

It finally gives a last run without the ixped0 line and goes no further.

This drive"wd0" appears to be working normally and I want to make a 
local copy of it on a brand new disk. If g4u makes a bit by bit copy 
does it matter that it can't read the partitions? I don't want to change 
them in any way.

On a different point the only option I can access at start-up of g4u is 
"1" as the timer has already run out when I get there!

Cheers Colin Ager  Norfolk UK

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Colin Ager | 18 Feb 10:44 2014
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Problem with g4u 2.5 reading sata disk with vol groups

I am trying to use g4u 2.5 to clone a sata drive. On an older machine 
with ide disks it has no difficulty finding the disks but with the newer 
machine the disk I want to clone as wd0 is detected plus a second disk 
wd1 as shown by dmesg, but running the disks command gives a repeating 
error message  that it is having problems detecting the partitions.

"wd0d device fault reading fsbn 0 (wd0 bn 0; cn 0 tn 0 sn 0),retrying"

If I try the partition check on this disk I get a similar response, but 
if I try partition check on wd1 it works correctly. Both disks are sata 
types but wd0 has logical volumes on it, while wd1 just has normal 
partitions.

Is it safe to do a copydisk operation in these circumstances to a third 
sata disk that I havn't  yet tried in place of wd1.

wd0 has Fedora16 32b on it while wd1 has win7 64.

Back in 2006 I used g4u 2.2 to clone a disk and sent a donation to you!

Cheers Colin Ager  Norfolk UK

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Hubert Feyrer | 27 Oct 02:04 2013
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Your G4U Opinion: kernel with embedded RAMdisk vs. miniroot?


My dear g4u community,

I've found little time to hack on g4u in the recent past. Yet, I've 
managed to setup my development and test environment for g4u 
(crosscompiling NetBSD from Mac OS X, getting recent Qemu to compile), and 
also got g4u built from recent NetBSD-current sources. As such, take this 
as small sign of life.

Now, while I don't have any plans for large changes, I'd like to bring an 
update with latest drivers and bugfixes from NetBSD.

There's one change that I'm pondering, though: g4u originally came as one 
kernel-file that had an embedded RAM-disk. This was changed in the last 
release to reflect NetBSD's ability to load a RAM-disk from a separate 
file. This change broke the ability to netboot g4u from a single file, and 
required some more effort. There were no real wins for g4u as such.

So, opinion time: keep the RAM-disk as separate file, or move it back into 
the kernel?

Looking forward for your opinions!

  - Hubert

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Ajax Dahgue | 4 Aug 19:38 2013

FW: Pblm on Dell D620

 

 

Hi,

  I see that there have been problems with Dell hardware.  Was wondering what resolutions there may be.  My Dell Latitude D620 fails at the initial splash: SYSLINUX 4.03 …..Peter Anvin et al.

 

I used Unetbootin to create a bootable usb I could carry in my toolkit.  Can this be made to work?

 

Thanks!

 

- ajax -

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Hubert Feyrer | 18 Jun 23:26 2013
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Re: G4U 2.5

Hi Tim,

I'll take the liberty to CC the g4u-help list, as this may come up again:

Am 18.06.2013 um 20:08 schrieb Tim Burks:
   Something about 2.5s netbsd file not like the one before. Ive extracted it from the floppies and uploaded to my pxe server. Doing so with the latest 2.5 file pxe clients cant boot G4U.  I have revered back to the 2.4 netbsd file which works fine. I cant seem to resolve the difference. I do notice that the old netbsd file is 7,487,132 in size and the newer is 6,902,704.
  I notice on your webpage a link for zipped which extracts 3 files but for uncompressed there is only disk one and two links listed.
Maybe Im confused as which set I need.
  As far as the error goes, the boot process stops here: root on md0a dumps on md0b, no file system for md0, cannot mount root error 79,.  After that some usb lines and hangs.

g4u 2.5 changed from a kernel that includes the root filesystem as ram-disk (root on md0a) to a system that just loads the kernel, and then loads the ramdisk with the root filesystem (still at md0a) from an extra file. see the boot.cfg file:

menu=Start g4u:load /miniroot.kmod;boot netbsd

"netbsd" is still the kernel, and "miniroot.kmod" is the root filesystem which gets loaded before the kernel starts.

IIRC it's possible to also do this with PXE. Check this out for documentation on how to do this, which actually doesn't cover NetBSD but g4u :-)


Enjoy!


 - Hubert
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Paolo Aglialoro | 12 Nov 00:03 2012
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g4u 2.5 crashes when booting on HP tc4400

Hello,

while I was trying to boot g4u-2.5 from grub2 on my HP laptop, I found that the wifi nic installed crashes the system after that dhcp client strings appear on the screen. Btw considering that I succeeded after long tries to tame g4u iso from grub2, here's how (you could put it in your FAQ, I haven't found the whole story googling the internet):

1. copy g4u-2.5.iso to /boot/iso/
2. add to /boot/grub/40_custom the following lines:

menuentry "g4u 2.5 fromiso" {
        loopback loop /boot/iso/g4u-2.5.iso
        knetbsd     (loop)/netbsd
        knetbsd_module_elf     (loop)/miniroot.kmod
}

3. run the command: update-grub

So, this is the screen output:


wpi0: could not read firmware file
uvm_fault(0xc44176c0, 0x1450000, 1) -> 0xe
fatal page fault in supervisor mode
trap type 6 code 0 eip c02244aa cs 8 eflags 10292 cr2 14502b8 ilevel 6
panic: trap

The operating system has halted
Please press any key to reboot.


Openbsd reports that my wpi0 (at pci2) wireless nic is a "Intel/PRO Wireless 3945ABG" rev 0x02, which is a widespread card.
So, why this crash?
Thanks,
Paolo

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