Archived posting to the Leica Users Group, 2005/08/08

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Subject: [Leica] Computer help!!!
From: eperea at walkereng.com (Emilio Perea)
Date: Mon Aug 8 11:59:17 2005
References: <6.2.1.2.0.20050821010138.02d5a2f0@mail.infoave.net> <9b678e0507210753400fbf95@mail.gmail.com> <A005104C5C79DF1CAB305EA9@hindolveston.reid.org> <9b678e05072108255d823ccd@mail.gmail.com> <6.2.1.2.0.20050821112749.02de0e30@mail.infoave.net> <5CBDB7660568DF76EB93811B@hindolveston.reid.org> <6.2.1.2.0.20050821132119.02db9ce8@mail.infoave.net> <4CD4E00A33A066597770C454@dhcp-wi-16.sql1.isc.org> <235ABAAAB25F44CE2104B3A2@dhcp-wi-16.sql1.isc.org> <6.2.1.2.0.20050721173534.02dddcf0@mail.infoave.net>

Tina,

I apologize for bringing up this subject again, but I have finally
caught up with reading the mailing list messages and don't see that
anybody responded to this statement:

On Thu, Jul 21, 2005 at 05:42:49PM -0400, Tina Manley wrote:
> Yes, I have that little icon that tells you that you can unplug the 
> hardware safely, but that is only for hardware that is not "plug and 
> play".  All of my external hard drives are plug and play and I shouldn't 
> have to use the icon for them.

You _have_ to use that icon (or something similar) before removing any
disk that you have written data to.  Plug and play is the technology (or
faith :-) that when you connect a device to your computer, it will give
the operating system the information required for it to recognize the
device and do whatever it needs to do in order for both to work well
together.

It cannot work the same way when you unplug it.  Once the device is
unplugged, it is too late to tell the operating system that it better
flush all buffers to the disk before it goes away...

I see that you did not unplug the drive, so this was probably not the
reason for your problems.  But it is dangerous to assume that plug and
play allows you to unplug and pray!

There is a possibility that the drive was accidentally disconnected by a
problem with power management even if it was not physically disconnected
or turned off by you.  I also suggest that after you do a backup you
close the backup program and then use the "Safely Remove Hardware" icon
to make sure the OS is finished with the drive.  Anyhow, please don't
think that you can uplug a plug and play drive without the risk of
losing everything in it.

Emilio

Replies: Reply from rolfe.tessem at gmail.com (Rolfe Tessem) ([Leica] Computer help!!!)
In reply to: Message from images at InfoAve.Net (Tina Manley) ([Leica] Computer help!!!)
Message from don.dory at gmail.com (Don Dory) ([Leica] Computer help!!!)
Message from reid at mejac.palo-alto.ca.us (Brian Reid) ([Leica] Computer help!!!)
Message from don.dory at gmail.com (Don Dory) ([Leica] Computer help!!!)
Message from images at InfoAve.Net (Tina Manley) ([Leica] Computer help!!!)
Message from reid at mejac.palo-alto.ca.us (Brian Reid) ([Leica] Computer help!!!)
Message from images at InfoAve.Net (Tina Manley) ([Leica] Computer help!!!)
Message from reid at mejac.palo-alto.ca.us (Brian Reid) ([Leica] Computer help!!!)
Message from reid at mejac.palo-alto.ca.us (Brian Reid) ([Leica] Computer help!!!)
Message from images at InfoAve.Net (Tina Manley) ([Leica] Computer help!!!)