Re: [OM] RAID 0 for 2 SSD's---all show and risk, or speedy solution?

Subject: Re: [OM] RAID 0 for 2 SSD's---all show and risk, or speedy solution?
From: Jan Steinman <Jan@xxxxxxxxxxxxxx>
Date: Thu, 3 Oct 2019 10:55:45 -0700
> From: Bill Pearce <billpearce@xxxxxxxxxx>
> My experience is that when a spinning hard drive fails, it's curtains for 
> everything,. I have been led to believe that when a memory card, and I'm 
> assuming that a SSD is similar, just one spot is dead, not the whole thing. 
> So can we assume that a SSD failure would be less catastrophic? 

Depends on your definition of "catastrophic."

If your hard drive fails hard, and you have a backup, you replace the hard 
drive and restore the backup and you're back to where you were.

If an SSD starts to get "bit rot," and you don't discover that you can no 
longer view the only scan you had of your great-grandmother's photo (hard copy 
gone long ago) until your backups have "rolled over," losing the older backups, 
what do you do? Kiss the memory of great-granny away.

I'll take hard failure and known backup over a "maybe" failure that you might 
not discover for a long time, any day.


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