ZFS Boot Support Binding Change [PSARC/2008/301 Self Review]

[Mark A. Carlson]

Why is this particular back ported feature being made an
example of? Isn't most of ZFS already back ported?

-- mark

Octave Orgeron wrote:
> Hi,
>
> I'm surprised that ZFS is not POSIX or UNIX compliant. Considering that many commercial customers and ISVs depend on compliance to the standards, I would think it's important to remediate the issues to prevent a possible show-stoppers. How much effort is required to fix these issues?
>
>  *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
> Octave J. Orgeron
> Solaris Systems Engineer
> http://www.opensolaris.org/os/community/sysadmin/
> http://unixconsole.blogspot.com
> unixconsole at yahoo.com
> *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
>
>
> ----- Original Message ----
> From: Don Cragun <don.cragun at sun.com>
> To: PSARC-ext at sun.com; maybee at jurassic.eng.sun.com
> Cc: tim.sparlin at sun.com; zfs-boot-team at sun.com; tim.cramer at sun.com; fred.zlotnick at sun.com
> Sent: Tuesday, May 6, 2008 6:33:52 PM
> Subject: Re: ZFS Boot Support Binding Change [PSARC/2008/301 Self Review]
>
>   
>> Date: Tue, 06 May 2008 15:01:42 -0700 (PDT)
>> From: Mark Maybee <maybee at jurassic.eng.sun.com>
>>
>> The ZFS Boot project team wishes to record the following information:
>>
>> Template Version: @(#)sac_nextcase 1.66 04/17/08 SMI
>> This information is Copyright 2008 Sun Microsystems
>> 1. Introduction
>>    1.1. Project/Component Working Name:
>>     ZFS Boot Support Binding Change
>>    1.2. Name of Document Author/Supplier:
>>     Author:  Lori Alt
>>    1.3  Date of This Document:
>>    06 May, 2008
>> 4. Technical Description
>>
>> A. SUMMARY
>>
>> This case seeks to change the binding of PSARC/2006/370 (ZFS Boot
>> Support) from minor binding to patch binding.
>>
>> B. PROBLEM
>>
>> The selection of "minor" for the binding of this case was
>> an error in the original case filing.  ZFS Boot Support was
>> always intended for integration into a Solaris update release.
>> It doesn't establish any interface changes that would prevent
>> it from being implemented as a patch.  It has been designed
>>     
> >from the outset as a feature that could be back-ported to
>   
>> an update release and released as a patch.
>>
>> C. PROPOSED SOLUTION
>>
>> Change the binding from "minor" to "patch".
>>     
>
> Given that ZFS does not yet conform to POSIX and UNIX standards
> requirements (even though the zfs(1M) man page says that ZFS provides a
> "standard POSIX file system"), that Solaris 8, 9, and 10 and their
> updates are covered by several UNIX branding licenses, and that
> (according to PSARC 2006/370) it is not possible to go back to a UFS
> root after upgrading to a ZFS root, I STRONGLY object to allowing a
> patch binding for this case unless a TCR is attached saying that this
> feature can't be patched into earlier releases until all POSIX and UNIX
> standards conformance bugs have been fixed.
>
> I'm sorry that this information is not available outside of Sun, but
> for those inside Sun, the heading "for ZFS:" on web page
> http://stds-test.sfbay/resources/brand_status.html can be used as a
> guide to known ZFS standards conformance bugs.
>
> The fact that ZFS was granted a conformance waiver to be integrated
> into the ON-NV gate before it passed the test suites (with a promise
> that the bugs would be fixed before Nevada is released) can't be used
> as a waiver for branded products that are already shipping.  Sun has
> certified to The Open Group and many of our enterprise customers that
> Solaris 8 and its updates, Solaris 9 and its updates, and Solaris 10
> and its updates (current and future) do and will continue to conform to
> UNIX branding requirements.
>
> - Don
>
>   
>> 6. Resources and Schedule
>>    6.4. Steering Committee requested information
>>       6.4.1. Consolidation C-team Name:
>>        ON
>>    6.5. ARC review type: Automatic
>>    6.6. ARC Exposure: open
>>     
>
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