Eject Disc Message??, Eject Disc Message??

Odd problem. I just set up Airport Express. No issues with install. No issues with internet access. Problem is as follows:
When I put my Imac in sleep mode it appears to sleep for about 3-4 seconds than wakes up and message on screen says; did not eject disc properly etc. Than advises to look in finder for disc and eject. There is NO disc in the Mac! I have an Airport Express, Verbatim hard drive and modem all running through surge protector.
Not sure what is happening. I did restart computer but again if i put to sleep , sleeps for seconds and wakes up with the above disc message.
Any ideas??
Thanks
JK

I had this problem too, where it seemed I couldn't go eight hours without the Duo drives dropping and getting the "disc was not ejected properly" error message.
I tried the following and so far it seems to have fixed the problem:
In System Preferences > EnergySaver, make sure the setting “Put hard disks to sleep when possible" is unchecked.
I did this only on the Power Adaptor tab, but you might want to uncheck the setting on the Battery tab as well to be safe. (In my case, the Duo drives are unlikely to be attached when I’m running on battery, so I left the setting checked for the Battery tab so that the system can still power down the internal drive.)
Since I made the above change ten days ago, the Duo disks have not dropped, even when I left the system on with the Duo disks connected for a couple of days.
FYI I have the Duo set up with two RAID 1 sets spanning the two drives. I'm using Mavericks 10.9.4.

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The good thing about mac-centric resellers such as OWC, is they have people on staff that can answer questions without you buying things first. They also have how-to information, and instructions are included in many of their products. I saw a link to watch a DIY video in one of their pages; an example of a RAID (with its own power supply) is shown on their drives page. Also a few in there, with no power supplies, for less money.
If I were looking to backup and perhaps also have a partition for a system clone, I'd consider something like one of these: http://eshop.macsales.com/shop/firewire/1394/USB/EliteAL/eSATA_FW800_FW400_USB
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The unused in-box external drive I have is like the base model in the link above. However mine is USB2.0 (maybe) and won't boot my older Macs due to hardware variance; and my preference would be for FireWire options, these models do offer that. But the one I have does not. Dual 500GB HDDs, and they could be used in tandem as a RAID. That would be a choice set up in software. I'm not sure and not interested enough to read up just now.
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https://www.google.com/#q=raid+backup+mac
Depending on the ports in your Mac, you may be able to use other cables to attach between a backup or externally enclosed hard disk drive with multiple partition and bootable clone in one of them. Not sure about the Thunderbolt, and where that is the main port, adapters are required to access other devices, as allowed.
Anyway, I am going on and on, yet not really saying anything.
My ideas would not be all that interesting to follow as a backup
plan when matching available newer hardware to task, but you
can get some into better ideas if you are not in a rush. Get a
good setup and then look into more an betterer stuff.
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I had this problem too, where it seemed I couldn't go eight hours without the Duo drives dropping and getting the "disc was not ejected properly" error message.
I tried the following and so far it seems to have fixed the problem:
In System Preferences > EnergySaver, make sure the setting “Put hard disks to sleep when possible" is unchecked.
I did this only on the Power Adaptor tab, but you might want to uncheck the setting on the Battery tab as well to be safe. (In my case, the Duo drives are unlikely to be attached when I’m running on battery, so I left the setting checked for the Battery tab so that the system can still power down the internal drive.)
Since I made the above change ten days ago, the Duo disks have not dropped, even when I left the system on with the Duo disks connected for a couple of days.
FYI I have the Duo set up with two RAID 1 sets spanning the two drives. I'm using Mavericks 10.9.4.

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Eject Disc Message??, Eject Disc Message??

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