That is why it is nice to have the mirror and the data replicated to another disk. But what are the chances of loosing 3 disk on the same system within such a short time frame that you would not be able to replace a single disk that failed? The only time I have ever heard of loosing more than one disk in a day has been due to some type of power surge that usually fried the server has well.
On 7/24/07, Dan Lund <situationalawareness@gmail.com> wrote:
It's only a waste until you lose disks.....
Then you thank your lucky stars you have it.
Shawn Badger wrote:
> So you are saying that the data is replicated 3 times to each drive.
> Drives are cheap, but that seems to be a waste to me.
>
> Just my 2 cents thought.
>
> On 7/23/07, * JT Moree* <moreejt@pcxperience.com
> <mailto:moreejt@pcxperience.com
>> wrote:
>
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>
> Shawn Badger wrote:
> > The 3 drives as a Raid is probably set up to have on as a hot
> spare. A
> > four drive Raid 1 is not really a Raid 1 it is either a Raid 01
> or more
> > likely a Raid 10. In a Raid 01 you stripe a pair of drives and then
> > mirror the striped drives. The more common configuration is to
> create
> > two mirror sets and then stripe them. This gives you fault
> tolerance
> > with high though put.
>
> No, It's four mirrored drives. if the boot drive fails. The other
> drives have lilo in the mbr so they will boot from the mirrored boot
> partition--the same on every drive.
>
> - --
> JT Morée
> PC Xperience, Inc.
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