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Old 12-07-2015, 02:57 PM
barrysharp barrysharp is offline
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Join Date: Oct 2007
Posts: 21
Copying data to a Mirrored device

I schedule SD! to copy two sub folders from a LaCie 6TB RAID-0 Thunderbolt-1 device to another LaCie 4TB RAID-1 (Mirrored) Thunderbolt-1 device.

The amount of data in the LaCie 6TB RAID-0 Thunderbolt-1 device's sub folders is around 960 GB.

If I manually run the schedule back to back the 2nd run is finding tons of new data to copy. I add no new data or modify any data on the source device.

At this time I'm running another manual copy and so far it reports

227,217 of 369,604 files evaluated, 820 files copied....
972.17 GB evaluated, 822.11 MB already up to date, 449.53 GB copied.

I'm absolutely confused as to why SD! is continually thinking it must update the mirrored device with so much data each time beyond its first run.

Is the mirrored destination device causing this issue.

I used Apple's Disk Utility to mirror the LaCie 4TB RAID-1 (Mirrored) Thunderbolt-1 device under Yosemite. I'm running SD! under El Capitan.

I'd like some explanation for the above situation. Thanks.
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