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Re: Things Kids Shouldn't Do at Home



My thanks to all those who theorise that it was this particular
drive's time to die.  It is several years old and I was thinking
along the lines that the rest of you were thinking.  One thing I
haven't done yet is to see if the clock crystal  that drives the
internal usb controller is still active.  I am not sure what
frequency it should free run on but one can sometimes hear the
clock on a general-coverage short wave radio receiver or
scanner-type receiver.

	What one hears is a signal that usually sounds like a
continuous carrier with no modulation.  It's there when the drive
is powered up and goes away when the drive is disconnected.


Thanks.

Martin
WB5AGZ

local10 <local10@tutanota.com> writes:
 On 2020-04-01 18:07, Martin McCormick wrote:
> 
> >>  Out of curiosity, I wondered what might happen if I had
> >> two thumb drives containing the same UUID.
> >>
> 
> Nothing bad really unless the system is supposed to boot from one of them 
> and both are present in the system at boot time.
> 
> I have two HDDs (main one and backup one) where partitions on the backup 
> HDD have the same UUIDs as partitions on the main HDD. This was done on 
> purpose to simplify backups and to have backup HDD to be readily 
> available to replace the main HDD. I copied data between the two of them 
> many times without any issues whatsoever.
> 
> If necessary, you can change UUID with tune2fs:
> # tune2fs /dev/{device} -U {uuid}
> 
> Regards,
> 
> 


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