[Beowulf] GPFS and failed metadata NSD

[John Hearns]

Also remember that pairs of disks probably came off the production line as
similar times.
So this is probabyl a twins paradox!

I think we all know that disks age together, and if this is an old age
failure then the chances of two going wrong at the same time ar ehigher.


On 1 May 2017 at 09:20, Tim Cutts <tjrc at sanger.ac.uk> wrote:

> Oh ... The birthday paradox as applied to disk failures. That had never
> occurred to me before, but it should have done!
>
> Tim
>
> Sent from my iPhone
>
> > On 29 Apr 2017, at 3:36 pm, Peter St. John <peter.st.john at gmail.com>
> wrote:
> >
> > just a friendly reminder that while the probability of a particular
> coincidence might be very low, the probability that there will be **some**
> coincidence is very high.
>
>
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