Hot swapping SATA drives

[Henrik Hudson]

On Tue, 25 Nov 2008, Peter Steele wrote:

> >Use a real hot-swappable drive plane, attached to a good SATA
> controller 
> >that handles hot-swap in hardware?  :)
> >
> >Use ZFS, which seems to work better with drives being added/removed
> than 
> >ata(4)?  :)
> >
> >Sorry, the few systems we have running FreeBSD either have single IDE 
> >drives, single SATA drives, or 12-24 SATA drives attached to a hardware
> 
> >hot-swappable drive-plane connected to 3Ware 9550/9650 RAID
> controllers.  
> >The single-drive systems obviously can't do swapping, and the rest work
> 
> >without issues.
> 
> I should further clarified that we are running 4-drive systems, with
> drive sizes ranging from 250GB-1TB. These drives are not in a RAID
> cluster and we do not want them to be. We do need the drives to be hot
> swappable though. I'll contact 3Ware and go from there.

I would think that if you're using a 3ware controller in JBOD and as stated
are in AHCI mode that as long as the OS umounts the drive that you
should be able to hot-swap. However, checking with 3ware is probably
the best option :)


Henrik
-- 

Henrik Hudson
lists at rhavenn.net