Date: Tue, 17 Aug 2004 14:17:38 -0600 From: Scott Long <scottl@samsco.org> To: Herve Boulouis <amon@sockar.homeip.net> Cc: Scott Long <scottl@freebsd.org> Subject: Re: Adding a raid volume without reboot Message-ID: <412267E2.4020703@samsco.org> In-Reply-To: <20040817100646.L30117@ra.aabs> References: <20040816190122.K30117@ra.aabs> <20040816205945.Q32601@pooker.samsco.org> <20040817100646.L30117@ra.aabs>
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Herve Boulouis wrote: > Le 16/08/2004 à 21:01, Scott Long a écrit: > >>On FreeBSD 5.x, the /dev/aacdX entry will be created as soon as the >>controller announces it. On 4.x you might need to manually create the >>node, and that is irregardless of needing a reboot or not. >> >>So the short answer is that FreeBSD will see arrays come and go in real >>time on Adaptec RAID controllers and will do the right thing. > > > That's great news ! > > Is this behavior driver dependent or does it apply to all others raid & > scsi drivers ? > > Thanks for the info. > I can only speak for Adaptec RAID that uses the 'aac' driver. Some SCSI and SCSI-like RAID drivers will announce state changes to the SCSI layer, others don't. Scott
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