From: Venkatesh Ramamurthy <Venkateshr@ami.com>
To: linux-hotplug@vger.kernel.org
Subject: RE: SCSI Patches - mostly on/off-line stuff
Date: Fri, 19 Jan 2001 02:16:27 +0000 [thread overview]
Message-ID: <marc-linux-hotplug-97987079413816@msgid-missing> (raw)
In-Reply-To: <marc-linux-hotplug-97925037703688@msgid-missing>
So I think rescanning should occur in the kernel automatically after
every
bus reset for every different kind of peripheral bus. Every
peripheral bus,
even parallel SCSI, I think has a bus reset: parallel SCSI, FC, 1394
- yes,
ATA - ?, others - ?
[Venkat] Bus reset is a very costly operation in SCSI. After doing a
SCSI BUS RESET all devices go to UNIT ATTENTION . All the devices need to
cleared from this condition. So in order to detect new devices are we going
to do a SCSI BUS RESET every now and then??? Since SCSI dos not support
target initiated event notification, we have no choice left. Some kernel
thread or a user daemon can initiate a bus scanning.
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prev parent reply other threads:[~2001-01-19 2:16 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-01-11 21:56 SCSI Patches - mostly on/off-line stuff Douglas Gilbert
2001-01-11 22:43 ` Oliver.Neukum
2001-01-17 20:32 ` David Brownell
2001-01-18 0:08 ` Douglas Gilbert
2001-01-18 9:03 ` Oliver Neukum
2001-01-18 9:25 ` Miles Lane
2001-01-18 15:37 ` Eric Youngdale
2001-01-18 16:20 ` Venkatesh Ramamurthy
2001-01-18 16:49 ` Prasenjit Sarkar
2001-01-18 16:50 ` Venkatesh Ramamurthy
2001-01-18 17:03 ` Venkatesh Ramamurthy
2001-01-18 18:14 ` David Brownell
2001-01-18 19:12 ` Oliver Neukum
2001-01-18 19:20 ` Prasenjit Sarkar
2001-01-18 19:45 ` Miles Lane
2001-01-18 21:08 ` Douglas Gilbert
2001-01-18 21:41 ` Miles Lane
2001-01-18 22:07 ` David Brownell
2001-01-18 22:15 ` David Brownell
2001-01-18 22:45 ` Oliver Neukum
2001-01-18 23:10 ` Oliver Neukum
2001-01-18 23:25 ` Miles Lane
2001-01-18 23:37 ` Oliver Neukum
2001-01-19 2:08 ` David Brownell
2001-01-19 2:10 ` Bob Frey
2001-01-19 2:16 ` Venkatesh Ramamurthy [this message]
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