How large should the drive be to store all your backups for the next couple of years? Here’s how to work that out for Time Machine and other apps.
storage
From late 2012 until 2021, Apple sold many iMacs and Mac minis with Fusion Drives. Did they really offer the best of both worlds, and why have they gone now?
How does copy on write work, and how do clones grow apart? What effect do they have on the use of space and performance?
There’s a big difference between the storage that’s available, and what’s advisable. Whether it’s affordable is another question.
Overall summary of a year’s testing external hard disks and SSDs ranging in cost from $50 to more than $200 per TB. Which is best?
A simple worked example showing the effect of snapshots and changes in hidden system files in consuming free space on APFS.
Archiving is very different from backing up, from the storage media used to integrity checks. Here are pointers to help you preserve important documents.
How to design a method which not only detects errors in file data, but enables them to be corrected? A tale of Hamming, Reed, Solomon and CDs.
Two reasons for paying more and using SSDs are that they’re faster and more reliable. Data on failure and reliability don’t appear as clear as the ads, though.
Storage has to be reliable, efficient and resilient. However, efficiency and resilience oppose one another. What’s the best solution? New file formats, CRC in the file system, or what?
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