Hot swapping SATA drives

Freddie Cash fjwcash at
Tue Nov 25 09:29:39 PST 2008

On November 25, 2008 08:53 am Peter Steele wrote:
> Is there any solution to this? Can a server be built around FreeBSD
> that supports hot swappable SATA drives?

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.

Freddie Cash
fjwcash at

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