Recommendations on cloning a bootable main disk
Jerry Feldman
gaf.linux at gmail.com
Sun Dec 2 11:50:09 EST 2018
Grub will still point to the old one.
The way I prefer to do it is to install a fresh os onto the new drive and
copy /home and possibly /usr/local. But everyone has an individual setup.
There is a grub utility, Grub Customizer. I use this when I set up triple
boot.
Sent from Galaxy S9+
Jerry Feldman <gaf.linux at gmail.com>
Boston Linux and Unix
http://www.blu.org
PGP key id: 6F6BB6E7
PGP Key fingerprint: 0EDC 2FF5 53A6 8EED 84D1 3050 5715 B88D 6F6B B6E7
On Sun, Dec 2, 2018, 11:44 AM Bruce Labitt <bruce.labitt at myfairpoint.net
wrote:
> So after changing the boot order to boot from the new drive first, BIOS
> had to fall back to booting from the smaller (original) drive. I had no
> warning or display, BIOS switched over "silently".
>
> What is the best way of diagnosing this and proceeding? I presume
> something needs to be done to grub on the new disk.
>
> Since I had done a dd copy, wouldn't grub already be there?
>
>
> On 12/2/18 10:47 AM, Bruce Labitt wrote:
>
> Thanks Dan! That did the trick. Doing it the way you suggested worked,
> vs. the way in the video (which did not work).
> Your way was simple and with no error.
>
> Thanks everyone for your help.
> Hopefully it will boot, and then I'll replace the disk in the laptop with
> this one.
>
> Bruce
>
> On 12/2/18 9:40 AM, Dan Jenkins wrote:
>
> Booting from sda should be fine. I just wanted to make sure you were not
> resizing from a live file system, which, while it can work sometimes, is
> problematic many times.
>
> The 1MiB at the end of the drive appears to be related to GPT. If you
> aren't using GPT, shouldn't be an issue. With a 1 TB drive, you don't need
> to use GPT, in any event, though you could choose to. I have also seen such
> fragments of unallocated space. which appear to have been created due to
> partition alignment issues. I have never needed to leave such space
> available. Your partitioning tool may leave such space available, again,
> due to alignment issues.
>
> On 12/2/2018 9:32 AM, Bruce.Labitt wrote:
>
> I'm booting on to sda, not sdc. sda is a 240GB SSD. sdc is not active
> and hasn't been mounted. sdc is a 1TB drive. When sdc is finally sorted
> out, I will physically remove sda (240) from my laptop and install sdc
> (1T). ( The bigger sdc drive probably will turn into sda! ).
>
> Just to make this explicit, the sdc drive is connected to the laptop via a
> USB3/SATA adapter. I haven't opened up the laptop yet.
>
> If you think I should boot from a USB Ubuntu flash drive I can do that as
> well.
>
> Thanks for the tips on gparted.
> Do I need to allocate 1MiB at the end of the drive? I'm reading
> conflicting requirements on this.
>
> I will try your suggestions and will report back.
>
> Sent from Blue <http://www.bluemail.me/r?b=14063>
> On Dec 2, 2018, at 8:42 AM, Dan Jenkins <dan at rastech.com> wrote:
>>
>> First, you are running GParted from a bootable flash drive, not from
>> booting off the new sdc, correct?
>>
>> I have had issues, in a few instances, with GParted, when taking multiple
>> steps at once.
>> Rather than do all the steps at once, I would do one step at a time.
>> Apply it and let it complete.
>> Then do the next step.
>> GParted often works fine with multiple steps, except when it doesn't. :-)
>>
>> Further, you don't actually need to move the swap partition, just
>> recreate it in its final position.
>> That would save time, but doesn't explain the error.
>>
>> These are the steps I would use, if I was doing it:
>> 1. Delete the swap partition (sdc5)
>> 2. Delete the extended partition (sdc2)
>> 3. Apply steps 1 & 2.
>> 4. Resize the data partition (sdc1), leaving 30 GB unallocated at the
>> end.
>> 5. Apply step 4.
>> 6. Create an extended partition in that 30 GB unallocated space.
>> 7. Create a 30 GB swap partition in that new extended partition.
>> 8. Apply steps 6 & 7.
>>
>> On 12/1/2018 9:05 PM, Bruce Labitt wrote:
>>
>> Thanks for the instructions on the BIOS - umm, nothing was wrong. Having
>> the USB stick prior to entering the BIOS made the device show up.
>>
>> OK, dd'd the disk. Took a long time, 94 minutes, but everything is
>> transferred, except for this email.
>>
>> Next is to resize in gparted - which didn't complete.
>> I followed a youtube video at https://www.youtube.com/watch?v=cDgUwWkvuIY
>>
>> Just to note, * sdc has never been mounted. *
>>
>> The video is done in a virtual machine, but I followed the part showing
>> how to do the resizing. The linux-swap was turned off. The error is as
>> follows:
>>
>> GParted 0.30.0 --enable-libparted-dmraid --enable-online-resize
>>
>> Libparted 3.2
>> *Grow /dev/sdc2 from 29.99 GiB to 723.03 GiB* 00:00:00 ( ERROR )
>>
>> calibrate /dev/sdc2 00:00:00 ( SUCCESS )
>>
>>
>>
>>
>> *path: /dev/sdc2 (partition) start: 437226563 end: 500118191 size:
>> 62891629 (29.99 GiB)*
>> grow partition from 29.99 GiB to 723.03 GiB 00:00:00 ( ERROR )
>>
>>
>>
>> *old start: 437226563 old end: 500118191 old size: 62891629 (29.99 GiB)*
>>
>>
>> *requested start: 437226563 requested end: 1953523711 requested size:
>> 1516297149 (723.03 GiB)*
>> libparted messages ( INFO )
>>
>> *Unable to satisfy all constraints on the partition.*
>>
>> ========================================
>> *Move /dev/sdc5 to the right and grow it from 29.99 GiB to 29.99 GiB*
>>
>> ========================================
>> *Move /dev/sdc2 to the right and shrink it from 723.03 GiB to 29.99 GiB*
>>
>> ========================================
>> *Grow /dev/sdc1 from 208.48 GiB to 901.52 GiB*
>>
>> ========================================
>> /dev/sdc1 is ext4 and what I want extended 208.48 GiB
>> /dev/sdc2 is the extended partition 29.99 GiB
>> /dev/sdc5 is the linux swap which was turned off 29.99 GiB and was inside
>> the extended partition
>> unallocated was 693.04
>> GiB
>>
>> Partitions were dragged and moved per the basic instructions.
>>
>> Can you give me a hint what went wrong? I'm kind of surprised that it
>> failed, essentially in the first step, growing the extended partition after
>> turning linux-swap off.
>>
>> The problem might be that gparted still has a problem with leaving 1MiB
>> at the end for the duplicate boot information. I found a comment in 2017
>> for gparted: http://gparted-forum.surf4.info/viewtopic.php?id=17646
>>
>> And: https://bugzilla.gnome.org/show_bug.cgi?id=738144
>>
>> Is there a practical work around to my reported error?
>>
>> Thanks,
>> Bruce
>>
>>
>> On 12/1/18 4:39 PM, Dan Jenkins wrote:
>>
>> On some of the BIOSes, unless you have the USB drive connected, before
>> you go into the BIOS, it will not appear as a boot option.
>>
>> Also, depending on the USB flash drive model, it may appear:
>> 1) as a removable device (aka a floppy drive),
>> 2) a hard drive (appearing as second choice under hard disk drives;
>> you would need to change the 1st drive to USB and the 2nd drive to
>> your current boot drive), or
>> 3) as a CDROM drive.
>>
>> Also, if you have a UEFI BIOS, you may need to switch it to Legacy,
>> instead of UEFI.
>>
>> Lastly, if you have a UEFI BIOS, you need a UEFI compatible boot device.
>> In the case of Clonezilla, you need to download an AMD664 alternative
>> version (Ubuntu-based), rather than the default Debian-based. (We have
>> both the UEFI and Legacy versions of Clonezilla to try when we run into
>> such issues.)
>>
>> And, rarely, I encounter computers that simply cannot boot USB flash
>> drives, but those tend to be much older ones.
>>
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