Does your controller support odd number RAID-10 i.e. RAID 1E? If so
then 3 disks in RAID-1E. Or better 10 disks in 1E
On Tue, Aug 27, 2013 at 4:33 PM, Rene Romero Benavides
<rene.romero.b@gmail.com> wrote:
> Thanks for your attention.
> What would you choose for a postgresql installation: 3 disks configured with
> RAID 0 (in a self replicating SAN) over 10 disks configured with RAID 5
> (also in a self replicating SAN) , we have space constraints that prohibit
> us from choosing RAID 1+0.
> I've been persuaded to choose RAID 5, because writes and parity computation
> will be spread over 10 disks compensating write overhead providing a better
> level of data security.
>
> Do you think it was a good decision? Any comment will be appreciated. Have a
> good day.
>
> --
> El genio es 1% inspiración y 99% transpiración.
> Thomas Alva Edison
> http://pglearn.blogspot.mx/
>
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