> Le 7 août 2017 à 17:41, FERNANDO FREDIANI <fernando.fredi...@upx.com> a écrit 
> :

> Yet another downside of having a RAID (specially RAID 5 or 6) is that it 
> reduces considerably the write speeds as each group of disks will end up 
> having the write speed of a single disk as all other disks of that group have 
> to wait for each other to write as well.

That's not true if you have medium to high range hardware raid. For example, HP 
Smart Array come with a flash cache of about 1 or 2 Gb that hides that from the 
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