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Mirroring with External Drives

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wwwKris
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Posts: 5
Joined: Wed Aug 10, 2016 8:14 pm

Mirroring with External Drives

Post by wwwKris »

If you create a mirroring profile to copy/mirror one entire USB drive to another one, what happens if:
(1) One of the drives is unavailable or
(2) The drive(s) get swapped for another drive (i.e. the drive that used to be E is removed and another drive is plugged in and becomes the E drive)

For (2), my concern is that SyncBack would then delete everything on the target drive and replace it with the data that's on the new drive. If that's the case, is there any way to prevent that from happening?

Thanks,
Kris
Kostas
2BrightSparks Staff
2BrightSparks Staff
Posts: 368
Joined: Thu Sep 18, 2014 2:08 am

Re: Mirroring with External Drives

Post by Kostas »

Hi,

Related to your #2, if you want to ensure that your destination drive remains the same then you can use its Serial number instead of using its drive letter. Edit your profile, go to the screen where you define the destination path, click the Alternatives button and select the variable with the %SERIAL%. This will replace the drive letter with an expession matching the %SERIAL% variable to the drive's serial. When run, the profile will fail if no drive has been found matching the defined serial.

Just make sure the desired drive is already present and available when you do the above profile change.

Thanks,
Kostas
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wwwKris
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Posts: 5
Joined: Wed Aug 10, 2016 8:14 pm

Re: Mirroring with External Drives

Post by wwwKris »

Kostas wrote:Related to your #2, if you want to ensure that your destination drive remains the same then you can use its Serial number instead of using its drive letter.
Awesome, thank you for the reply Kostas! I went with the drive label instead of the serial number so that it would be a little easier for me to read in the future. I know that I'll have to make sure I don't duplicate drive labels but that's something I do normally anyway.

For (1) in my original post, do you happen to know if SyncBack checks for the presence of both the source and destination drive before doing anything? For example, if the destination drive is present but the source drive isn't, what happens?
Kostas
2BrightSparks Staff
2BrightSparks Staff
Posts: 368
Joined: Thu Sep 18, 2014 2:08 am

Re: Mirroring with External Drives

Post by Kostas »

wwwKris wrote:
Kostas wrote:Related to your #2, if you want to ensure that your destination drive remains the same then you can use its Serial number instead of using its drive letter.
For (1) in my original post, do you happen to know if SyncBack checks for the presence of both the source and destination drive before doing anything? For example, if the destination drive is present but the source drive isn't, what happens?
Yes, it does check. SyncBack will try 5 times to locate the drives and then it will fail and the profile execution ends there.

Thanks,
Kostas
[2bs]
wwwKris
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Posts: 5
Joined: Wed Aug 10, 2016 8:14 pm

Re: Mirroring with External Drives

Post by wwwKris »

Kostas wrote:Yes, it does check. SyncBack will try 5 times to locate the drives and then it will fail and the profile execution ends there.
Fantastic, thanks again Kostas!
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