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Apple Computing Products:
macOS - Notebook Hardware
Time Machine backs up everything every hour!
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<blockquote data-quote="PeterSG" data-source="post: 1453418" data-attributes="member: 275331"><p>In recent weeks Time Machine started "Calculating Changes" and "Preparing Items" in a repetitive manner and taking excessive time to complete. A backup now takes about 40 minutes. Therefore, the next backup is scheduled for about 20 minutes after the current one finishes.</p><p></p><p>This behavior started about a month ago. I have not changed my usage of the Mac.</p><p></p><p>Time Machine selects about 8,000 during the "Prepares Items" process. Then it writes about 200 MB.</p><p></p><p>Then it repeats those same steps and selects about 7,800 items. It then appears to write 200 MB.</p><p></p><p>I use Snow Leopard. I was using a La Cie 500GB drive. Thinking it was going bad, I purchased a Seagate 500 GB external drive. The backup operates exactly the same on both drives.</p><p></p><p>If I take a backup and then do not use my Mac at all, the next backup operates exactly the same way -- that is, by selecting about 8,000 items and so on.</p><p></p><p>Why does Time Machine appear to be backing up all or many of my files each time -- even when I don't use the Mac or use it only to read news sites?</p><p></p><p>Thank you very much for any suggestions.</p></blockquote><p></p>
[QUOTE="PeterSG, post: 1453418, member: 275331"] In recent weeks Time Machine started "Calculating Changes" and "Preparing Items" in a repetitive manner and taking excessive time to complete. A backup now takes about 40 minutes. Therefore, the next backup is scheduled for about 20 minutes after the current one finishes. This behavior started about a month ago. I have not changed my usage of the Mac. Time Machine selects about 8,000 during the "Prepares Items" process. Then it writes about 200 MB. Then it repeats those same steps and selects about 7,800 items. It then appears to write 200 MB. I use Snow Leopard. I was using a La Cie 500GB drive. Thinking it was going bad, I purchased a Seagate 500 GB external drive. The backup operates exactly the same on both drives. If I take a backup and then do not use my Mac at all, the next backup operates exactly the same way -- that is, by selecting about 8,000 items and so on. Why does Time Machine appear to be backing up all or many of my files each time -- even when I don't use the Mac or use it only to read news sites? Thank you very much for any suggestions. [/QUOTE]
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Apple Computing Products:
macOS - Notebook Hardware
Time Machine backs up everything every hour!
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