Selecting a RAID level to preserve file integrity can be confusing. Here’s a guide, complete with the ifs and buts.
RAID
How can you squeeze recovery data into smaller storage space than you’d need for a second copy of a file? Using codes, explained here.
What happens if you can’t access your Mac or its local backups? That’s what offsite backups cover – and you need them however small your system might be.
The plan was simple: replace my 8 year-old Promise Pegasus RAID system with a shiny new SSD RAID system, for Time Machine backups. What could go wrong?
In the market for replacement backup storage? It’s a gamble, and you probably won’t know whether you made the right choice for the next year or more.
Should you enable TRIM, and what is it? Do you need to turn wear levelling on, and what about fragmentation on SSDs? Some mysteries explained.
Even with 4 ports on my Mac, I’m running out. What about putting a couple of my 1 TB SSDs into a single enclosure? Here’s a cost-effective answer.
Migration is pain: you can spread it out over days or weeks, or get it over with in a much shorter period. Moving your Time Machine backups also requires great care.
Does APFS currently support hard disks, Fusion Drives, and other forms of storage beyond SSDs? The devil is in the detail.
Buying or replacing external storage for Macs is extremely uncertain at the moment because of issues over APFS. Here’s some guidance for selecting hard disks, for backups and more.
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