From: Patrick Mansfield <patmans@us.ibm.com>
To: christophe.varoqui@free.fr
Cc: mauelshagen@sistina.com, linux-scsi@vger.kernel.org
Subject: Re: [lvm] [christophe.varoqui@free.fr: dm multipath target]
Date: Fri, 22 Aug 2003 08:55:12 -0700 [thread overview]
Message-ID: <20030822085512.A29419@beaverton.ibm.com> (raw)
In-Reply-To: <1061566443.3f4637ebcd1ca@impt1-2.free.fr>; from christophe.varoqui@free.fr on Fri, Aug 22, 2003 at 05:34:03PM +0200
On Fri, Aug 22, 2003 at 05:34:03PM +0200, christophe.varoqui@free.fr wrote:
> Selon Patrick Mansfield <patmans@us.ibm.com>:
> > The sending of any special command to enable an alternative path (like the
> > ghost LUN) should be done in a kernel thread or some way that allows the
> > root file system to be multi-pathed on such devices.
> >
> Early userspace should do the trick to keep vendors out of kernel development.
> Anyway, it is still not clear to me how HBAs BIOS treat such ghost LUNs at boot.
I don't mean boot time, but special commands sent at the time of failure.
You can't run a user space program if the disk it's on needs to failover.
-- Patrick Mansfield
next prev parent reply other threads:[~2003-08-22 15:55 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20030819073926.GA423@fib011235813.fsnet.co.uk>
[not found] ` <20030819094838.F8428@sistina.com>
2003-08-19 9:04 ` [lvm] [christophe.varoqui@free.fr: dm multipath target] christophe.varoqui
2003-08-19 9:51 ` Heinz J . Mauelshagen
2003-08-19 10:48 ` christophe.varoqui
2003-08-19 12:35 ` Heinz J . Mauelshagen
2003-08-19 13:14 ` christophe.varoqui
2003-08-19 13:26 ` christophe.varoqui
2003-08-19 16:23 ` Heinz J . Mauelshagen
2003-08-19 23:22 ` christophe varoqui
2003-08-20 13:02 ` Heinz J . Mauelshagen
2003-08-20 14:19 ` christophe.varoqui
2003-08-21 12:47 ` Heinz J . Mauelshagen
2003-08-21 16:34 ` christophe.varoqui
2003-08-22 8:51 ` Heinz J . Mauelshagen
2003-08-22 14:59 ` Patrick Mansfield
2003-08-22 15:34 ` christophe.varoqui
2003-08-22 15:55 ` Patrick Mansfield [this message]
2003-08-22 16:07 ` christophe.varoqui
2003-08-19 14:19 ` James Bottomley
2003-08-19 16:09 ` Heinz J . Mauelshagen
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