Date: Thu, 10 Jan 2002 16:20:53 -0600 From: David Kelly <dkelly@hiwaay.net> To: Scott Gerhardt <scott@gerhardt-it.com> Cc: Walter Betancourt <walt@betan.com>, freebsd-questions@FreeBSD.ORG Subject: Re: Tape drives Message-ID: <20020110162053.B10968@grumpy.dyndns.org> In-Reply-To: <KPEMLBLEMPMHGLJOCDEGKELNDHAA.scott@gerhardt-it.com>; from scott@gerhardt-it.com on Thu, Jan 10, 2002 at 03:25:20PM -0600 References: <4.2.2.20020110145533.00a8a9a0@popd.betan.net> <KPEMLBLEMPMHGLJOCDEGKELNDHAA.scott@gerhardt-it.com>
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On Thu, Jan 10, 2002 at 03:25:20PM -0600, Scott Gerhardt wrote: > Question: > > My server has U160 Hot Plug SCA drives. > > Is it possible to "hot plug" another drive and use it as a removable backup > device. > How do you get FreeBSD to recognize the drive without a hard reboot? camcontrol(8) has a rescan function which will detect the addition of a new device, or removal of one. But before making use of your "hot plug" features I'd double and triple check that the drive will not disturb any other drive during insertion/removal. If you glitch the SCSI bus then you will corrupt a transaction. No telling what damage you might do. A sure fire safe option would be to dedicate a SCSI bus to the drive(s) which are going in and out. -- David Kelly N4HHE, dkelly@hiwaay.net ===================================================================== The human mind ordinarily operates at only ten percent of its capacity -- the rest is overhead for the operating system. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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