External drives failing on macbook pro

Joined
Sep 17, 2006
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I've had an external drive set to run with time machine since I've used this laptop. Two weeks ago I got a message "os X can't repair the drive 'Mac' you can still read but not write ......." etc.
I put that drive aside and connected one of my other external drives and set it up with time machine. It lasted about 10 days before giving the same error.
Is this just a coincidence or a 'known issue' with these computers?
 
Joined
Sep 17, 2006
Messages
12,794
Location
Ashburton , New Zealand
Did you use Disk Utility to verify/repair the drives?

My first instinct is the drives, but the error message is strange.

Maybe this..

http://hintsforums.macworld.com/showthread.php?t=163296

or this

http://community.wdc.com/t5/Externa...n-t-repair-My-Passpot-PLEASE-HELP/td-p/304148

Thanks, I have tried running disc utility on both occasions and it could not repair the drives.
The second link had me thinking, someone mentioned unplugging their drive several times and causing an error message. I have all my computers and eternals drives, along with the D-link router connected to one power supply that I switch off each night after powering down the laptops [mine and my wife's]. In the morning I turn on the power and start up the laptops. I wonder if it is something to do with shutting down and starting up with that power supply that is corrupting the drives?
 
Joined
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Now the crazy thing is that after replying to this thread I decided to see if I could repair the drive again. It was showing as an active icon on the desktop and I could access it, as it stated. I clicked on time machine and told it to back up now and it's busy doing that with no problems?
 
Joined
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Messages
12,794
Location
Ashburton , New Zealand
This problem sometime occurs, when connected drives are disconnected and reconnected, maybe w/o ejecting it.
So the best workaround BEFORE using any disk repair is to shut down the system and reboot it w/o having extern drives connected: start the machine - once it is up, mount the external drives into the mounted and running FS.
(Ya know: first the trousers, then the boosts :))

saludos redondos
tom

I always shut the mac down first before switching off power to the drive.
I'll try what you say and connect the drive after start-up and see what happens, thanks :)
 

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