>> On Mar 26, 2016, at 8:30 PM, Michael wrote:
>>
>> OK, now for a switch: a DD question.
>>
>> I was able to read the entire drive (cat /dev/rdisk0 > /dev/null) without
>> error.
>> So, I want to try a "write each sector back in place", to see if the drive
>> is still alive or dying.
>>
>>
Alright; how do you read smart data from the command line?
NB: I have smartmontools installed, dated 2011-10-20 r3458
... yea, 5 years old ... I use it to monitor disk drive temp in the logs.
Keep in mind: When I tried booting up to the gui, I got to some windows being
opened, and just being bla
If your drive has SMART data available, this question may already be answered.
Drive Genius scan/extended does what you want to do as safely as it is possible
to do it (which may still lose some data) and has been well pre-tested for you.
> On Mar 26, 2016, at 8:30 PM, Michael wrote:
>
> OK, n
OK, now for a switch: a DD question.
I was able to read the entire drive (cat /dev/rdisk0 > /dev/null) without error.
So, I want to try a "write each sector back in place", to see if the drive is
still alive or dying.
My thinking was simple:
dd if=/dev/rdisk0 of=/dev/rdisk0 bs=2560
thinking th
