Re: Just set up my first RAID 1 array : Questions

["noughtomate" <balraj_jassal@xxxxxxxxxxx>]

Pretty please ?

--- In ukha_d@xxxxxxx, "noughtomate" <balraj_jassal@...>
wrote:
>
> Hi,
>
> This is the first time I've set up a RAID 1 mirror based on 2 SATA
> connectors on my Mini-ITX motherboard. I would like to do some
> testing against it.
>
> All the info I can find on the web is about the RAID standards,
but
> I want to know how a re-build is performed on failure. One of the
> disks is named a 'Master' and the other the 'Mirror'. If I were to
> pull one out during mid-write, would any lost changes be auto-
> propogated to the other when it's re-plugged in ?
>
> Is a re-build only performed by a Master ?
> If the Master goes down, is the Mirror allowed to be written to ?
> How does the BIOS know which has the latest data if both have had
> independent writes from each other ? Do they merge into one ?
>
> Also, would anyone know of any testing tools I could use to cover
> off all scenarios (Windows based)
>
> I just need some peice of mind, before I actually place my data on
> the disks.
>
>
> Oh : one other question. Despite my Mobo's RAID compabilities, I'm
> only restricted to 2 SATA connectors. I would like to expand this.
>
> Could anyone recommend a PCI Express card which supports JBOD,
RAID
> 0 and RAID 1, with 2 internal SATA connectors and ideally an eSATA
> connector for future expansion ? (The less depth the better)
>
> There seem to be many out there, but I'd prefer to hear about ones
> you use and would recommended.
>
> Thanks.
>



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