Unmount or eject Passport drive?

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I have two Passport drives. One for Time Machine and other data backup. I also have one dedicated to CCC. It was suggested to me to not keep the drive with CCC connected all the time. So I need to disconnect it. Should I eject the drive or unmount (or is it dismount) the drive? I do not know what the difference is between these two actions.

TIA
 
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I have two Passport drives. One for Time Machine (TM) and other data backup. I also have one dedicated to CCC. It was suggested to me to not keep the drive with CCC connected all the time. So I need to disconnect it. Should I eject the drive or unmount (or is it dismount) the drive? I do not know what the difference is between these two actions.

Well, I have 4 external HDs dedicated to TM backups, 2 each for my iMac & MBPro - I also have two HDs, each w/ two partitions for CCC backups (like to be redundant!). The TM HDs are plugged into my iMac, and I do TM BUs on my laptop once a week, so need to eject properly. The CCC BUs are also done about once a week and again both partitions of each drive need to be ejected.

For these HDs, ejection and dismount are really the same - take a look at the screen capture from Finder below - one of my partitioned HDs is plugged into my MBPro - each partition is mounted - when done simply click on the right-sided icon (w/ the arrow up symbol) - in my case I am given the choice to 'eject' one or both partitions. Dave :)

P.S. As to whether leave your CCC HDs constantly attached or used intermittently like me, I'm sure that you'll get opinions both ways?
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vansmith

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Ejecting and unmounting are effectively the same thing.

I'd suggest ejecting it given what the purpose of (clone) backups are: a copy of the hard drive removed from the immediate context in case something happens to the machine.
 
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Thanks guys. I appreciate the input. It seems logical to me to create the backup on the dedicated CCC drive and keep it disconnected to avoid viruses / contamination or other disasters.
 

vansmith

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My recommendation was more to address the idea that your backup should be physically separated from your computer in case something like a liquid spill or theft occurs. ;)
 
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Thanks guys. I appreciate the input. It seems logical to me to create the backup on the dedicated CCC drive and keep it disconnected to avoid viruses / contamination or other disasters.


Hi Faler - agree w/ Vansmith, i.e. if I took my plan one step further, I would keep both Time Machine & CCC backup drives 'off site', e.g. in a safe deposit box @ my bank (or if I was not retired, then @ work).

As to 'viruses', I hope you don't believe that is an issue w/ the current Mac OS X? Not a concern, but I guess if you backup drive(s) were attached to your computer and a lightening strike hit your house then all could be knocked out. Just a few more thoughts - good luck! Dave :)
 

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