![]() You see, a salient fact here is that when I needed the original version of the file, 45 days had elapsed from when my colleague first uploaded the original version. Either I’d modified the file before Time Machine copied it to a drive, or it may have backed up the original but deleted it later to recover space on the backup drive. The result is that it can take up to 2 hours to detect any new files, or new hard drives, or if a file has changed, or a configuration has changed.Īpple schedules Time Machine to run every hour, and Time Machine also tries to keep your Mac from being overloaded. The reason it takes 2 hours is that Backblaze runs VERY SLOWLY on purpose to try to keep the load off your CPU and disk. We designed Backblaze to be lightweight, so it might take 2 hours to reflect new numbers and find your new files. ![]() I have Backblaze set to archive continuously, but it does take some amount of time to recognize new or changed files. But then I worked on it right away, causing both Backblaze and Time Machine to back up only the version I had edited heavily, not the original. It synced properly in Dropbox since it was copied to my computer. So how did I manage to lose data despite these three backup systems? My colleague shared the file with me by adding it to a shared Dropbox folder. I count on it to keep a deep archive of both current files and those I’ve changed and deleted. Backblaze: A stalwart secure cloud-hosted backup provider, Backblaze has rescued several terabytes of data for me over the years.I was glad I did when Time Machine helped recover from two disasters in the last year. Time Machine: Although I came late to the party after years of dubious feelings about its reliability, I eventually added Time Machine backups to my home network.Dropbox: I store nearly all my active documents in Dropbox for up-to-the-second uploads of the slightest change.Reader, I have not one, not two, but three continuous archiving systems deployed: Color me a rainbow for how surprised I was a few days ago when I found I had permanently lost the original form of a file that a colleague had shared with me 45 days earlier. I have preached the gospel of file backups for decades, from floppies through digital tape systems to today’s local and cloud-based systems for continuous archiving of even the tiniest changes to files. How You Can Lose a File Despite Three Layers of Backup (and How To Avoid It) #1628: iPhone 14 impressions, Dark Sky end-of-life, tales from Rogue Amoeba.#1629: iOS 16.0.2, customizing the iOS 16 Lock Screen, iPhone wallet cases, meditate for free with Oak.#1630: Apple Books changes in iOS 16, simplified USB branding, recovering a lost Google Workspace account.#1631: iOS 16.0.3 and watchOS 9.0.2, roller coasters trigger Crash Detection, Medications in iOS 16, watchOS 9 Low Power Mode.#1632: Apple Card Savings accounts, SOS in the iPhone status bar, Tab Wrangler, Focus in iOS 16.
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