[ML-General] hardware RAID

[david]

The applications are:
for striping, HD video,
for mirroring, I am very very tired of drives failing and losing all my 
work and data.  Yeah, yeah, I don't backup like I should, I know.

The software raid that Linux uses.



On 06/11/15 16:22, WebDawg wrote:
>
>
> On Thu, Jun 11, 2015 at 2:06 PM, david <ainut at knology.net 
> <mailto:ainut at knology.net>> wrote:
>
>     I haven't kept up.  What do you guys recommend for SATA internal
>     raid controllers?
>     I have a stack of 3 in striped (raid 0?) and a stack of 2 in raid
>     5.  Both sets were configured to use software raid under Linux but
>     the raid 5 did not turn out to really be mirrored drives.  Bah.
>     I'm hoping that the 3 striped disks can be converted to the
>     hardware controller without problems (6 terabyte.)
>     The set of 2 that *should* be identical, can be made identical
>     with dd, if I must before attaching them to the hardware controller.
>
>     So, advice?
>
>     Thanks,
>     David Merchant
>
>
>
> What is your application? NAS?  SAN?  DB?
>
> What software raid were you using?
>
> What do you mean converted?
>
> I do not think DD is going to help you in mirroring the discs.  I 
> think alot of raid controllers add headers and stuff.
>
> Why would raid 5 be parity at all?
>
>
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