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On OS X, does Time Machine need the index maintained by Spotlight? Will disabling Spotlight completely (via mdutil) affect Time Machine?

  • Are you talking about disabling Spotlight on your main drive(the one getting backed up) OR on the Time Machine drive (the one with the backup)? – nohillside Jul 16 '14 at 7:39
  • @patrix I re-enabled (after completely deleting the index) Spotlight on my main drive and now Time Machine needs a very long time to create a backup. – ben Jul 16 '14 at 10:50
  • This may also be caused by Spotlight running in parallel to Time Machine. Has the index already been completely been rebuilt before TM started? – nohillside Jul 16 '14 at 11:03
  • @patrix Yes, I let the indexer finish its work and only afterwards connected the TM drive. I did not change a lot of files after the last backup - nothing which would justify TM "preparing" the backup for two hours. (I have stopped it then and not finished the current backup yet.) – ben Jul 16 '14 at 11:20
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Nope.

Meta note: why 30 the char minimum?

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    You could consider adding information why instead of putting a meta note which makes no sense. – Rob Jul 16 '14 at 6:17
  • I have none, it's a simple experiment, the result can be checked by anybody. – Alexander - Reinstate Monica Jul 16 '14 at 6:34

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