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HD Failure - how serious are Multi Zone errors?

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pianoman88

macrumors regular
Original poster
Aug 20, 2010
216
57
I own a 2012 Mac Mini Server. I recently added an external Raid 0 array of SSDs and decided to check my hard drives using Trim enabler.

I was surprised to discover high error rates on one of the drives (see images). I'm not certain what a Multi Zone Error rate is - or a lot of what is listed - but I'm wondering is this qualifies for a replacement - single or both drives?

It's still under Apple Care.

Thanks
 

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jimj740

jimj740

macrumors regular
Jul 25, 2013
112
35
Pining for the company that once gave us Clarus
Multi-zone error rate is an indication of write failures; generally these are recoverable errors through retry and/or remapping of sectors.

There is not a "hard" number for acceptable write failures; certainly less is better, and frequency of failure and/or trends in failure are important indicators of a drive that is deteriorating.

My advice: make sure you are performing regular backups and monitor this. It is unlikely that Apple will replace the unit until it has a hard failure, but I cannot say this for certain.

Good luck!

-JimJ
 
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