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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: Bill Pearce <billpearce@xxxxxxxxxx>
Date: Thu, 3 Oct 2019 14:15:18 -0400 (EDT)

----- Original Message -----

From: "Jan Steinman" <Jan@xxxxxxxxxxxxxx> 
To: olympus@xxxxxxxxxxxxxxxxx 
Sent: Thursday, October 3, 2019 12:55:45 PM 
Subject: Re: [OM] RAID 0 for 2 SSD's---all show and risk, or speedy solution? 

> 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." I'm thinking, losing one or two 
photos is not as bad as losing all of them. 

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. That's why I 
have sturr on three hard drives and keep the memopry cards for anything 
important. 

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. And that, class, is why 
we have backups. And I won't put things on the cloud, because I don't trust 
something I can't see. 

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

Jan 

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