Re: What are the benefits of using dynamic disks over basic?

"Rod Speed" <rod_speed@xxxxxxxxx> wrote in message news:3ln9ttF13pqgmU1@xxxxxxxxxxxxxx
> Ian Roberts <sorry@xxxxxxxxxx> wrote
> > Rod Speed <rod_speed@xxxxxxxxx> wrote
> > > Ian Roberts <sorry@xxxxxxxxxx> wrote
>
> > > > Ive been reading a little about how to create Dynamic Discs but I havent
> > > > come across anything to explain why I would want to use it over Basic disks.
>
> > > They basically give you more capability, like being able to
> > > span more than one physical drive into a combined logical drive.
>
> > > There are however some downsides too, like if one physical
> > > drive dies, all the data in the spanned volume is at risk, not
> > > just the data on the single drive that has died. Obviously thats
> > > just a nuisance if you are fully backed up etc.
>
> > > Support for dynamic disks is worse with imaging software etc too.
>
> > Thanks for replying Rod
>
> > So it sounds similar to RAID to me.
>
> Similar to RAID0, anyway.

Nonsense.

> Not quite as bad tho because individual
> files arent always split between the physical drives, so with no
> backups and a single physical drive failure, you're more likely to
> be able to recover at least some of the files with dynamic disks.

That's just clueless rant.

>
> > I wonder... does it allow drives of different sizes to be combined and utilise
> > all the space?
>
> Yes. And different drive performance is completely irrelevant too.
>
> > Would be great if thats possible. This would allow me to make use of some old
> > small drives I have lying around ie 4-9Gb each.
>
> Yeah, its most useful for that sort of thing.
>
> > If I put them in an external enclosure (connected via firewire or USB) would a
> > dynamic setup be allowed or is that arrangement considered "removable" and
> > therefore not poss?

Depends on whether the driver allows to set them as 'fixed'.

>
> Correct, it wont do that with those, essentially because
> its much too easy to have one of them offline.

Not if they can be set 'fixed'.

>
> You could however put the drives in a seperate server and
> have whatever you like connecting that to the main system.
> Lan would normally be better than USB or firewire tho.


.

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