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-   -   Backups getting slower... (http://www.shirt-pocket.com/forums/showthread.php?t=6077)

Khuzud 01-29-2010 11:59 PM

Backups getting slower...
 
Maybe it's my imagination, but it sure seems like the longer a backup is, the slower Super Duper gets.

For example, on a backup just completed, it showed about 50% complete after 5 minutes. But then the next five minutes it was only 75% complete, and five more minutes was just 80%. It ended up taking an hour to complete.

dnanian 01-30-2010 08:19 AM

The bar represents the size of the data. If there's nothing to copy at the start of your backup, you'll move through the data quickly. If there are things to copy, you'll move more slowly. It's not really slowing down as it goes... it's just hitting things to copy later in the sequence.

Khuzud 01-30-2010 11:24 AM

I noticed this when backing up a Time Machine volume. It's not copying anything at all until the very end -- the last few files it looks at. The status display stays at "0 files copied" almost the whole time. It starts out scanning the drive very quickly, but then slows to a crawl and seems to take forever before finding the new files that it needs to copy.

dnanian 01-30-2010 11:27 AM

Time Machine volumes are very complex to copy, very difficult & time consuming to evaluate, and hard link recreation does not update the file count... which isn't to say it's not doing anything. And they're very different in content than 'straight up' HFS+ volumes.


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