[nmglug] HDD > SSD

a a at kaluta.us
Wed Jun 5 14:34:16 PDT 2019

On 6/5/19 3:27 PM, a wrote:
> Brian
> This is where I chose, cancel.
> invalid partition table on /dev/sdd--- wrong signature   aa74 
> (continue)  or (cancel)
> a
> On 6/5/19 2:09 PM, a wrote:
>> Brian this is where i am at now
>> Brian
>> I downloaded to ssd just under two hours got the message invalid 
>> partition table on /dev/sdd ----signature  aa74 so i cancelled 
>> download because I realized it may not be mounted reason does no show 
>> on the file list. so tried to open gparted but will not open. Any 
>> suggestions? Thanks a
>> dd if=/dev/sda of=/dev/sdd bs=1M conv=notrunc,noerror
>> a at alap:~$ lsblk
>> sda      8:0    0 298.1G  0 disk
>> ├─sda1   8:1    0 294.1G  0 part /
>> └─sda5   8:5    0     4G  0 part [SWAP]
>> sdd      8:48   0 465.8G  0 disk
>> ├─sdd1   8:49   0 294.1G  0 part
>> └─sdd2   8:50   0     1K  0 part
>> sr0     11:0    1  1024M  0 rom
>> On 6/5/19 2:02 PM, Brian O'Keefe wrote:
>>> Hi a,
>>> First, let's get corroboration from another NMGLUGGer or two 
>>> (Satsangat?). But, /dev/sda is very probably your current HDD. When 
>>> you click on it as you describe, the info on it is displayed. 
>>> /dev/sda1 is a partition on that drive, /dev/sda, and that shows up 
>>> in the graphical representation you see. It shows how many 
>>> partitions, the size of them, what type (boot, swap, etc.), how much 
>>> free space on the disk, etc. The /dev/sdb is most probably the new 
>>> SSD and when clicked on will show a big blank nothing, just the full 
>>> size of the SSD, no partitions just free space. Cloning takes the 
>>> entirety of /dev/sda including /dev/sda1, and transfers the info to 
>>> /dev/sdb (your new SSD). So in your description you would run dd as 
>>> the command below except that /dev/sdb would be replaced with 
>>> /dev/sdd, as you describe it from GParted. I also run GParted from a 
>>> separate drive (bootable optical or usb) from which I've booted my 
>>> machine.  Otherwise it's like trying to work on your car engine 
>>> while it's running and that won't work.
>>> My concerns are twofold at least. If partitions and such essentially 
>>> mean nothing to you (out of your experience) as in sda and sda1 then 
>>> I hesitate to guide you further. It is super critical that the 
>>> syntax of the command is exactly correct. Secondly, missing spaces 
>>> in the line or other simple slips can destroy your data. This has 
>>> never happened to me in ten years but it has happened to others. I 
>>> run the command below and change the drive info as need be. That is 
>>> if GParted shows /dev/sdd instead of /dev/sdb (as in the command 
>>> below) I change that one letter of a "b" to a "d" and then run the 
>>> command. I also rely on copy and pasting the command into the 
>>> command line (terminal) to avoid a typo of nuclear proportions. 
>>> Having said that, I've done exactly what your wanting to do, prayed 
>>> and sacrificed a penguin and all has always turned out fine. But I 
>>> obviously have never, to date, made a mistake nor can I make any 
>>> guarantees!
>>> Let's put this out to the group for any input. I learned this method 
>>> from the group so that shouldn't be a big ask. I just sense that 
>>> your unfamiliarity needs some additional bolstering so please hold 
>>> off for a bit. Also, it would help for you to send along some 
>>> screenshots of GParted with /dev/sda and then /dev/sdd so we can 
>>> verify your info.
>>> It works and works well but one cannot make a mistake and not expect 
>>> issues. Read these as relates to what you want to do (essentially 
>>> what I've presented but clarity is good): http://tinyurl.com/yyvaekk9
>>> Brian
>>> On 6/5/19 10:54 AM, a wrote:
>>>> Brian
>>>> Am ready to run the program. Question gparted choice /dev/sda or 
>>>> /dev/sdd (right top menu)
>>>> When I open /dev/sda it indicates /dev/sda1 which of these do I use 
>>>> in te dd command?
>>>> Thanks a
>>>> On 6/4/19 7:30 PM, a wrote:
>>>>> dd if=/dev/sda of=/dev/sdb bs=1M conv=notrunc,noerror
>>> -- 
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