Hot Swap hardware on FreeBSD?
Stephen P. Cravey
clists at gotbrains.org
Sat Jan 24 15:01:47 PST 2004
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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>
>
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