[T10] Error is SBC-4, rev. 21, table 271 or 272

Gerry Houlder gerry.houlder at seagate.com
Thu Aug 13 15:03:23 PDT 2020


I recall discussion that this was detected during a previous review of SBC-4. Perhaps the agreed fix was skipped during incorporation of comments?
________________________________
From: t10-bounces at t10.org <t10-bounces at t10.org> on behalf of Bill Martin <bill.martin at samsung.com>
Sent: Thursday, August 13, 2020 4:48 PM
To: Ralph Weber <Ralph.Weber at wdc.com>; T10 Reflector <t10 at t10.org>
Subject: Re: [T10] Error is SBC-4, rev. 21, table 271 or 272


I believe that this error is significant enough that we should enter a public review comment against it and resolve that at the next T10 meeting and send for a second public review. If we do not fix this, we will have a standard that is broken for implementers. The only question is whether we could argue that due to the fact that it is indicated that the data structure in table 272 has to fit into this area, the numbering was an editorial error and fix it through the editor and contend that this is an editorial error.



No matter whether we need a second public review, this should be entered as a public review comment.



Bill Martin

Chair INCITS T10
Co-Chair SNIA Technical Council

NVMe Board of Directors
SSD I/O Standards
Samsung Semiconductor, Inc.
Cell (408) 499-1839



From: t10-bounces at t10.org [mailto:t10-bounces at t10.org] On Behalf Of Ralph Weber
Sent: Thursday, August 13, 2020 2:41 PM
To: T10 Reflector <t10 at t10.org>
Subject: Re: [T10] Error is SBC-4, rev. 21, table 271 or 272



Table 272 is correct. Table 271 is in error.



This error ought to be corrected, but …



It is a technical change, and correcting it via a Public Review comment will require a second Public Review.



The SBC-4 Public Review closes on 25 August. So, a decision regarding how to handle this gaffe needs to be made promptly.



All the best, .Ralph



From: t10-bounces at t10.org<mailto:t10-bounces at t10.org> <t10-bounces at t10.org<mailto:t10-bounces at t10.org>> On Behalf Of Gerry Houlder
Sent: Thursday, August 13, 2020 3:04 PM
To: T10 Reflector <t10 at t10.org<mailto:t10 at t10.org>>
Subject: [T10] Error is SBC-4, rev. 21, table 271 or 272



In SBC-4, rev. 21, table 271 indicates that format preset descriptors are 48 bytes each. Table 272 indicates that format preset descriptors are 64 bytes each. One of these tables is wrong, but which one?
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