Hot-swap SATA and atacontrol

[Colin King]

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

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