Re: Hot-swap SATA and atacontrol

Only if your filesystem is unstable. Using atacontrol reloads the drive's
information in the kernel, it doesn't affect the filesystem. Of course, you
always want to unmount before swapping out a drive.

On Mon, Aug 01, 2005 at 06:00:17PM +0100, Justin Finkelstein wrote:
> Thanks; and just use fsck to check consistency?
> 
> -----Original Message-----
> From: Colin King [mailto:ring_06_at_m202.net] 
> Sent: 01 August 2005 17:26
> To: Justin Finkelstein
> Subject: Re: Hot-swap SATA and atacontrol
> 
> 
> I've been able to hot-swap regular IDE drives this way, but some
> motherboards and BIOSes don't like that. If this works for you, I'd say go
> for it.
> 
> On Mon, Aug 01, 2005 at 04:33:24PM +0100, Justin Finkelstein wrote:
> > Hi
> > 
> > I'm trying to find out about the safety of hot-swappable sata devices 
> > when not using a raid configuration. What I'd like is to be able to 
> > remove a hot-swap drive while the system's powered up.
> > 
> > The drive has its own sata channel, so I issue the following commands:
> > 
> > 	umount /dev/ad2s1d - to dismount the drive
> > 	atacontrol detach 1 - to stop all further ata commands going to the 
> > device
> > 
> > This appears to work just fine, but I'd like a second opinion.
> > 
> > Any thoughts?
> > 
> > j.
> > 
> > Redwire Design Limited
> > Studio 12
> > 37 Tanner Street
> > London SE1 3LF
> > [ www.redwiredesign.com ]
> > [ 020 7403 1444 ] - voice
> > [ 020 7378 8711 ] - fax
> > 
> > 
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> 
> -- 
> Colin King
> http://www.m202.net/
> 
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> 0111010000101110
> 

-- 
Colin King
http://www.m202.net/

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