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Apple Computing Products:
macOS - Notebook Hardware
M2 for Time Machine instead of USB3 HDDs that run hot
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<blockquote data-quote="MacInWin" data-source="post: 1926477" data-attributes="member: 396914"><p>Maybe you need to explain that sentence for me to understand. I took it to mean you needed to backup 1.5TB of data. Now you throw around a bunch of numbers that don't seem to match, or, to me at least, mean anything. What does the cloud have to do with TM? How much data do you need to backup today, not years from now? And yes, VM systems are usually stored as one or two big files and when run, are changed, triggering a backup flag being set so TM will copy the new data. Some VM systems have one big file, others have two, one for the VM system and the other for the VM storage (virtual drive). </p><p></p><p>Bottom line, don't overthink it. Get a reasonably good drive, twice the size of your backup demand, it will last you years. Dedicate it to TM, nothing else. Doesn't have to be fast, either, just reasonable. When/if it gets full, swap it out for a new, empty storage of whatever kind is available then, put the full backup aside for a while until you are reasonably confident you won't need to go back that far, then either recycle it or re-purpose it. Don't spend a ton of money on it. Unless you are running a major business on the Mac and need years of data, say accounting or sales stuff or taxes, then maybe you would need an archive of those files, but in that case TM is NOT the best tool. I generally don't keep files older than the day I upgraded the system to the latest version of macOS. So, I have backups now of Ventura, but not Monterey, not Big Sur, etc.</p></blockquote><p></p>
[QUOTE="MacInWin, post: 1926477, member: 396914"] Maybe you need to explain that sentence for me to understand. I took it to mean you needed to backup 1.5TB of data. Now you throw around a bunch of numbers that don't seem to match, or, to me at least, mean anything. What does the cloud have to do with TM? How much data do you need to backup today, not years from now? And yes, VM systems are usually stored as one or two big files and when run, are changed, triggering a backup flag being set so TM will copy the new data. Some VM systems have one big file, others have two, one for the VM system and the other for the VM storage (virtual drive). Bottom line, don't overthink it. Get a reasonably good drive, twice the size of your backup demand, it will last you years. Dedicate it to TM, nothing else. Doesn't have to be fast, either, just reasonable. When/if it gets full, swap it out for a new, empty storage of whatever kind is available then, put the full backup aside for a while until you are reasonably confident you won't need to go back that far, then either recycle it or re-purpose it. Don't spend a ton of money on it. Unless you are running a major business on the Mac and need years of data, say accounting or sales stuff or taxes, then maybe you would need an archive of those files, but in that case TM is NOT the best tool. I generally don't keep files older than the day I upgraded the system to the latest version of macOS. So, I have backups now of Ventura, but not Monterey, not Big Sur, etc. [/QUOTE]
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Apple Computing Products:
macOS - Notebook Hardware
M2 for Time Machine instead of USB3 HDDs that run hot
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