From: Joel Becker <Joel.Becker@oracle.com>
To: Badari Pulavarty <pbadari@us.ibm.com>
Cc: Giuliano Pochini <pochini@shiny.it>,
linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [patch for playing] Patch to support 4000 disks and maintain
Date: Fri, 11 Apr 2003 10:57:37 -0700 [thread overview]
Message-ID: <20030411175736.GY31739@ca-server1.us.oracle.com> (raw)
In-Reply-To: <200304110928.32978.pbadari@us.ibm.com>
On Fri, Apr 11, 2003 at 08:28:32AM -0800, Badari Pulavarty wrote:
> Well !! My patch does not have anything hardcoded to 4000.
> Depends on how many minor bits. But we have to put a hardlimit
> somewhere ..
Yes, but that hardlimit has to expect the number to be Very
Large in the very near future. 16K disks on a big compute farm is not
too far off.
> Fortunately, the multipath solution Mike Anderson & Patrick Mansfield
> working on, colapses all the disks you see thro multiple paths into
> number of realdisks (4000). So you don't really need extra devices
> to support multipathing.
Yes, but what if I want to see the multiple paths? Does their
solution allow you to specify the path behind the 'realdisk'? Does it
allow querying of the paths?
Joel
--
Life's Little Instruction Book #451
"Don't be afraid to say, 'I'm sorry.'"
Joel Becker
Senior Member of Technical Staff
Oracle Corporation
E-mail: joel.becker@oracle.com
Phone: (650) 506-8127
next prev parent reply other threads:[~2003-04-11 17:46 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-04-10 20:39 [patch for playing] Patch to support 4000 disks and maintain backward compatibility Badari Pulavarty
2003-04-10 20:54 ` Randy.Dunlap
2003-04-11 0:08 ` Roman Zippel
2003-04-11 1:25 ` Badari Pulavarty
2003-04-11 15:43 ` Joel Becker
2003-04-11 8:04 ` [patch for playing] Patch to support 4000 disks and maintain Giuliano Pochini
2003-04-11 15:44 ` Joel Becker
2003-04-11 16:28 ` Badari Pulavarty
2003-04-11 17:57 ` Joel Becker [this message]
2003-04-11 18:12 ` Patrick Mansfield
2003-04-11 18:35 ` Joel Becker
2003-04-11 20:04 ` Patrick Mansfield
2003-04-11 23:18 ` Joel Becker
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