[CentOS] Re: A question about RAID and partitions

Miguel Medalha wrote:
> 
>> have raid 0 and raid1 on the same drive isn't going to gie you anything
>> since the raid 1 will "slow" the other raids down.
>>
> 
> You are assuming that both arrays will always be concurrently accessed 
> but that may not be the case.
> More yet: the configuration may have been studied in such a way that 
> concurrent access is rarely the case.

just partitioning your disks will incur a performance penalty up to 30%.