From: Luben Tuikov <luben_tuikov@adaptec.com>
To: Patrick Mansfield <patmans@us.ibm.com>
Cc: James Bottomley <James.Bottomley@SteelEye.com>,
Douglas Gilbert <dougg@torque.net>,
Christoph Hellwig <hch@infradead.org>,
Luben Tuikov <ltuikov@yahoo.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
SCSI Mailing List <linux-scsi@vger.kernel.org>
Subject: Re: [PATCH 2.6.13 5/14] sas-class: sas_discover.c Discover process (end devices)
Date: Mon, 12 Sep 2005 16:09:27 -0400 [thread overview]
Message-ID: <4325E077.3000103@adaptec.com> (raw)
In-Reply-To: <20050912164548.GB11455@us.ibm.com>
On 09/12/05 12:45, Patrick Mansfield wrote:
> On Mon, Sep 12, 2005 at 09:57:21AM -0500, James Bottomley wrote:
>
>
>>be free to increase it if necessary. Note: you do actually need either
>>an array with more than two levels of nesting actually to need the
>>increase and no-one actually seems to have one of these yet.
>
>
> That is not correct, I posted before on this, the address method is in the
> high bits of the 8 byte LUN and tells how to "interpret" the LUN value.
> You can't convert from an int to 8 byte LUN (without any other
> information) and set these bits. See SAM-4 in (or near) section 4.9.7.
>
> So some storage devices that want to use addressing methods other than 00b
> don't because we do not have 8 byte LUN support in linux, and then we have
> other problems because of this.
All true.
Luben
next prev parent reply other threads:[~2005-09-12 20:09 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-09 19:40 [PATCH 2.6.13 5/14] sas-class: sas_discover.c Discover process (end devices) Luben Tuikov
2005-09-09 19:59 ` Nish Aravamudan
2005-09-09 20:11 ` Luben Tuikov
2005-09-09 23:25 ` James Bottomley
2005-09-10 2:44 ` Luben Tuikov
2005-09-10 5:39 ` Douglas Gilbert
2005-09-10 16:01 ` James Bottomley
2005-09-12 15:06 ` Luben Tuikov
2005-09-12 16:27 ` Patrick Mansfield
2005-09-12 20:08 ` Luben Tuikov
2005-09-13 9:05 ` Douglas Gilbert
2005-09-13 13:11 ` Luben Tuikov
2005-09-13 22:42 ` Patrick Mansfield
2005-09-14 12:28 ` Luben Tuikov
2005-09-14 17:13 ` Patrick Mansfield
2005-09-14 17:17 ` Luben Tuikov
2005-09-14 18:47 ` James Bottomley
2005-09-14 20:20 ` Luben Tuikov
2005-09-12 17:52 ` James Bottomley
2005-09-12 20:31 ` Luben Tuikov
2005-09-12 21:23 ` James Bottomley
2005-09-13 12:49 ` Luben Tuikov
2005-09-13 15:54 ` James Bottomley
2005-09-13 20:01 ` Luben Tuikov
2005-09-11 9:46 ` Christoph Hellwig
2005-09-12 6:17 ` Douglas Gilbert
2005-09-12 14:57 ` James Bottomley
2005-09-12 16:45 ` Patrick Mansfield
2005-09-12 17:21 ` James Bottomley
2005-09-12 18:46 ` Patrick Mansfield
2005-09-13 19:22 ` James Bottomley
2005-09-13 20:23 ` Luben Tuikov
2005-09-13 20:36 ` Matthew Wilcox
2005-09-13 21:02 ` Luben Tuikov
2005-09-13 21:37 ` Stefan Richter
2005-09-13 21:54 ` Luben Tuikov
2005-09-13 22:25 ` Patrick Mansfield
2005-09-14 5:22 ` Sergey Panov
2005-09-14 16:28 ` Patrick Mansfield
2005-09-14 12:13 ` Luben Tuikov
2005-09-14 4:57 ` Sergey Panov
2005-09-14 18:43 ` James Bottomley
2005-09-14 20:17 ` Luben Tuikov
2005-09-15 2:04 ` Sergey Panov
2005-09-12 20:20 ` Luben Tuikov
2005-09-12 20:09 ` Luben Tuikov [this message]
2005-09-12 19:39 ` Luben Tuikov
2005-09-12 18:17 ` Luben Tuikov
2005-09-13 10:25 ` Christoph Hellwig
2005-09-13 12:47 ` Douglas Gilbert
2005-09-13 14:58 ` Luben Tuikov
2005-09-12 22:39 ` Luben Tuikov
-- strict thread matches above, loose matches on Subject: below --
2005-09-12 19:04 James.Smart
2005-09-12 19:29 ` Patrick Mansfield
2005-09-12 19:53 James.Smart
2005-09-14 0:58 Ravi Anand
2005-09-14 17:46 Ravi Anand
2005-09-16 7:28 Andreas Herrmann
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