Mac hard resets when mounting external HD

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Re: Mac hard resets when mounting external HD

Post by collegeitdept » Thu Oct 04, 2012 2:09 am

I have to restart the Mac to regain use of the USB ports.
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Re: Mac hard resets when mounting external HD

Post by grahamperrin » Thu Oct 04, 2012 2:21 am

Again, please be patient for access to the data. Whilst you are without an installation of ZEVO, it is proper for the ZFS part of that Western Digital device to appear greyed out and unusable in Disk Utility.

This stage is (for me) pure investigation. One step, or a few steps, at a time.

I see the Western Digital knowledge base for My Book. Is yours the legacy My Book Home Edition?

To help us guide you in use of Terminal, please do this:

  1. open Terminal
  2. take a screenshot of the Terminal window, then quit Terminal
  3. attach the shot in your reply to this message.

Thanks
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Re: Mac hard resets when mounting external HD

Post by collegeitdept » Thu Oct 04, 2012 2:25 am

Mine is the MyBook Home edition.... I followed all your steps to install 1.0 of Zevo then upgrade to 1.0.3.

So I do have ZFS installed.

The drive simply doesn't mount and then disables the USB ports. I just restarted the Mac to regain use of the USB ports. (the drive is no longer plugged into the USB port also).
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Re: Mac hard resets when mounting external HD

Post by collegeitdept » Thu Oct 04, 2012 2:28 am

Regarding what model it is... I Googled my model number (found on the drive)

WDBACW0030HBK-00

and found the specs on Newegg.com:

http://www.newegg.com/Product/Product.a ... 6822136749
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Re: Mac hard resets when mounting external HD

Post by grahamperrin » Thu Oct 04, 2012 2:30 am

collegeitdept wrote:… followed the steps …


Please, slowly. Some confusion here.

Review the earlier advice – do not use the ZEVO preference pane to begin a checkup.

One step at a time, or as few steps as possible, and await advice after each step.

Which version of ZEVO is now installed, and which did you use to begin a checkup?

(Juggling USB connections is unlikely to help at this stage.)
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Re: Mac hard resets when mounting external HD

Post by collegeitdept » Thu Oct 04, 2012 2:36 am

I now have version 1.0.3 installed... I did not run the check up! the drive couldn't even mount and it seemed to not load the checkup in System Preferences.... I remembered that you said not to run so I force quit it before anything could happen... that's all.
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Re: Mac hard resets when mounting external HD

Post by grahamperrin » Thu Oct 04, 2012 2:38 am

collegeitdept wrote:… eject from Disk Utility …


For as long as you use Silver Edition 1.0.3 with Mountain Lion, please take care: do not click the Mount button for a volume that has been ejected.

(Community Edition 1.1.1 includes a fix for a bug that affects that use of that button. We're using Silver Edition only temporarily to allow slow gathering of information.)
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Re: Mac hard resets when mounting external HD

Post by collegeitdept » Thu Oct 04, 2012 2:41 am

Alright... I'm not seeing how this applies... the drive never mounted... I chose Eject the drive (not partition) to spin down the drive and unplug USB).

Anyway... is there a way to counteract this? so that the drive can mount and I can retrieve my data??
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Re: Mac hard resets when mounting external HD

Post by grahamperrin » Thu Oct 04, 2012 2:42 am

collegeitdept wrote:… 1.0.3 … seemed to not load the checkup in System Preferences …


OK. I might guess what happened there. (With one version of ZEVO on Mountain Lion, the ZEVO pane could crash System Preferences when certain tabs were pressed.)

Generally, at this stage of troubleshooting, avoid the interfaces to checkups. Thanks :-)
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Re: Mac hard resets when mounting external HD

Post by grahamperrin » Thu Oct 04, 2012 2:45 am

collegeitdept wrote:… is there a way to counteract this? so that the drive can mount and I can retrieve my data??


Almost certainly yes, but again please, please be patient.

Gathering information, at this stage, will allow us to give you exact steps at a later stage.
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