Adding a raid volume without reboot
scottl at samsco.org
Tue Aug 17 13:20:19 PDT 2004
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.
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