Hot Swap hardware on FreeBSD?

[Stephen P. Cravey]

Two reasons:

0)Price.
1)To learn something useful.

It shouldn't be difficult, I just can't seem to locate any information on it. This seems the most appropriate place to ask.

-Stephen

On Sat, 24 Jan 2004 10:24:45 +0100
me <me at wizkid.homeip.net> wrote:

> what about buying an external raid-box? then you dont have to care about 
> these questions ;)
> the external box is doing raid 5 with hot standby disk and is connected 
> to the system via scsi and looks like one big drive.
> the box itself is full of hot-swappable ide drives and the system does 
> not notice, if something goes wrong, because the box handles these 
> things on its own.
> 
> 
> greetings
> ruediger
> 
> 
> 
> Stephen P. Cravey wrote:
> 
> > I'm trying to locate a good resource for creating hot swap capable servers with FreeBSD and Vinum.
> > 
> > Specifically, I'm trying to find out several things:
> > 
> > Are there resources somewhere that document this type of thing? Please?
> > 
> > Do I need controllers for SATA/SCSI that will handle the plugging/unplugging of drives, or do I just need to do a bus rescan (or the like) after the change and notify vinum? i.e. do i need something like an adaptec 2200S or will a 39320 work?
> > 
> > Is there anything in particular I should look for when buying hot swap chassis? Other than SCA for SCSI?
> > 
> > What about Hot swap with Fibre Channel?
> > 
> > What about using FreeBSD in a SAN where it's both serving drives and acting as a client?
> > 
> > Where can I find (recent) performance numbers for raid 0,1,5 comparisons?
> > 
> > What else should I know about this before attempting it?
> > 
> > Thank you.
> > 
> > -Stephen
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> 
>