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Re: Help! 10.9 Spontaneous Ext. HD Dismounts

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On 2014-06-11, Fred Moore <fmoore@gcfn.org> wrote:
> I just updated a friend's late 2012 Mac Mini from 10.8 to 10.9. It has a 
> single Firewire external with 2 partitions, one for an alternate 
> boot/diagnostics volume and one for Time Machine. I ran all the usual 
> diagnostics (DiskWarrior, SMART, etc.) before the upgrade. Everything 
> was fine.
>
> Now whenever the machine is booted, both external partitions 
> spontaneously dismount a minute or so after booting is completed, each 
> producing a Finder window saying "Disk not ejected properly. Eject 
> "partition name" before disconnecting or turning it off." Not only are 
> both partitions dismounted, but the physical hard drive does not even 
> appear in Disk Utility so there is no way to remount them. It's as 
> though the external was actually unplugged or had been powered off. I 
> have replugged the Firewire cable and the unit seems to have continuous 
> power.

And what messages are posted to the console and system logs at the moment
the dismount occurs?

-- 
E-mail sent to this address may be devoured by my ravenous SPAM filter.
I often ignore posts from Google. Use a real news client instead.

JR

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Help! 10.9 Spontaneous Ext. HD Dismounts Fred Moore <fmoore@gcfn.org> - 2014-06-11 12:28 -0400
  Re: Help! 10.9 Spontaneous Ext. HD Dismounts Jolly Roger <jollyroger@pobox.com> - 2014-06-11 17:00 +0000
    Re: Help! 10.9 Spontaneous Ext. HD Dismounts Fred Moore <fmoore@gcfn.org> - 2014-06-11 16:04 -0400
      Re: Help! 10.9 Spontaneous Ext. HD Dismounts Fred Moore <fmoore@gcfn.org> - 2014-06-11 17:30 -0400
        Re: Help! 10.9 Spontaneous Ext. HD Dismounts Michael Vilain <vilain@NOspamcop.net> - 2014-06-11 18:01 -0700
          Re: Help! 10.9 Spontaneous Ext. HD Dismounts billy@MIX.COM - 2014-06-12 06:47 +0000
            Re: Help! 10.9 Spontaneous Ext. HD Dismounts Fred Moore <fmoore@gcfn.org> - 2014-06-12 11:15 -0400
          Re: Help! 10.9 Spontaneous Ext. HD Dismounts billy@MIX.COM - 2014-06-12 07:08 +0000
          Re: Help! 10.9 Spontaneous Ext. HD Dismounts Fred Moore <fmoore@gcfn.org> - 2014-06-12 11:06 -0400
  Re: Help! 10.9 Spontaneous Ext. HD Dismounts Lewis <g.kreme@gmail.com.dontsendmecopies> - 2014-06-11 19:34 +0000
    Re: Help! 10.9 Spontaneous Ext. HD Dismounts Fred Moore <fmoore@gcfn.org> - 2014-06-11 16:07 -0400
      Re: Help! 10.9 Spontaneous Ext. HD Dismounts nospam <nospam@nospam.invalid> - 2014-06-11 16:11 -0400
  Re: Help! 10.9 Spontaneous Ext. HD Dismounts dempson@actrix.gen.nz (David Empson) - 2014-06-12 12:37 +1200
    Re: Help! 10.9 Spontaneous Ext. HD Dismounts Fred Moore <fmoore@gcfn.org> - 2014-06-12 11:28 -0400

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