Re: Re[2]: Raid5 Vs Raid0+1 -- Raw Vs Solaris 9 Concurrent Direct IO UFS

> Unless I'm missing something than according to raid specs it doesn't
> mater how many disks are in raid5 array, you just need one additional
> disk for checksums, so in case of 6 spindle array you can create raid5
> that will operate according to your schema (it actually will be two
> raid5 arrays) or you can create one raid5 array that will use 5 disks
> for data and one disk for checksums.
>
> Please, correct me if I'm wrong.
>

It sounds to me like you are describing a RAID volume with dedicated parity. If so, that is RAID 3.

RAID 5 has distributed parity.

RAID 1+0 has no parity. ;)

Jared

--
To unsubscribe - mailto:oracle-l-request_at_freelists.org&subject=unsubscribe 
To search the archives - http://www.freelists.org/archives/oracle-l/