Re: [gentoo-user] e2fsck -a /dev/sdb1

[Mick]

On Thursday 15 Jun 2017 16:16:04 Daniel Frey wrote:
> On 06/15/2017 12:28 PM, Mick wrote:
> > If you remove the USB disk while the PC is accessing it, the electrical
> > discharge across the physical contacts of the USB connector can cause
> > terminal damage to the onboard chipset controller.
> >
> > If you're lucky only partial corruption of the filesystem occurs and the
> > USB disk can be used again.  If you are very lucky and no I/O operations
> > were being performed at the time the USB will suffer no damage.  I try to
> > remember to unmount the USB before I remove it, but I had to learn this
> > the hard way.
> This is the first I've heard of this. I have witnessed our staff at
> working plugging something in and having static discharge fry a USB
> stick, but I've never seen that happen while unplugging.
>
> I tell staff to touch the computer case before plugging it in first.
> When a user fries one I asked if they touched the case first and the
> answer is always "no".
>
> Dan

Yes, ESD can fry anything up, including you MoBo.  I've damaged a CPU once 
because I was working on a nylon carpet without wearing a ESD wrist band.  I 
thought I had earthed on the chassis at the time, but it seems I moved enough 
on the carpet to cause an ESD.  :-(

-- 
Regards,
Mick