On 01/07/2012 13:44, Mikael Abrahamsson wrote:
On Sun, 1 Jul 2012, Jonathan Tripathy wrote:
- Is it safe to disable these checks? Would monitoring the SMART
status of the disks serve as a good substitute?
Well, that's a decision you will have to make for yourself. The
rationale behind it is to find latent read errors and correct them
while you have parity already. Another term for this is "data
scrubbing", you'll find quite a lot of discussion on that topic.
Personally, my view is that I make sure all my data are read at least
once a month, I have experienced data loss historically because of
lack of scrubbing.
Thanks, I think I'll change it to monthly as well. That seems like a
good compromise.
I'm still very interested in the other questions though. Especially the
one relating to why not all arrays are checked
Thanks
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