Devin,

In this thread, I have made the following requests:
1. I suggested that camcontrol is not the right place to get disk ident strings, since not all disks are CAM, and suggested an alternative. 2. I pointed out a possible bug related to MBR setup and suggested a solution. 3. I asked you to update the man page to reflect the new features, as well as update a few other scripts to allow them to use your ZFS code. 4. I requested a somewhat longer testing period and additional review for future significant installer changes like this in the run-up to a release
and tried to explain my rationale.
5. I suggested that the "Submitted by" and "Reviewed by" should probably not be the same person.

I also thanked you for the patch, which adds a sorely-missed feature to the installer.

I do not believe that any of these minor requests were unreasonable. Certainly, I do not see that they merit the vitriol that follows here. Since it doesn't seem to help with anything, I won't send any more mail on this.

The one thing I have done is to ask re@ to ensure that, following the usual conventions, all non-trivial patches to the installer proposed for merge to stable/10 be reviewed and have a reasonable testing period in HEAD or on mailing lists before being MFC'ed for the remainder of the 10.0 release process.
-Nathan

On Sun, 13 Oct 2013, Teske, Devin wrote:


On Oct 13, 2013, at 12:41 AM, Nathan Whitehorn wrote:



On Sat, 12 Oct 2013, Teske, Devin wrote:


On Oct 12, 2013, at 12:26 AM, Nathan Whitehorn wrote:

On 10/11/13 22:41, Devin Teske wrote:
Author: dteske
Date: Fri Oct 11 20:41:35 2013
New Revision: 256343
URL: 
https://urldefense.proofpoint.com/v1/url?u=http://svnweb.freebsd.org/changeset/base/256343&k=%2FbkpAUdJWZuiTILCq%2FFnQg%3D%3D%0A&r=Mrjs6vR4%2Faj2Ns9%2FssHJjg%3D%3D%0A&m=LDzuPpXPP4D5BzfISZjw%2BXitYn4aKVzfXzcrmMNFo2U%3D%0A&s=3d0963d9c497f7bad0918888032ca62844580612dc48ab3a8a6768fe640c365b

Log:
Add zfsboot module as an option for automatic configuration. Default is
to run interactively but it can be scripted too (optinally completely
non-interactive). Currently supports GELI and all ZFS vdev types. Also
performs validation on selections/settings providing error messages if
necessary, explaining (in plain language) what the issue is. Currently
the auto partitioning of naked disks only supports GPT and MBR (VTOC8
pending for sparc64), so is only available for i386/amd64 install.

Submitted by:   Allan Jude <free...@allanjude.com>, myself
Reviewed by:    Allan Jude <free...@allanjude.com>
Approved by:    re (glebius)

Hi Devin --

As was discussed on the mailing list, this patch still has some issues
that need to be resolved,

Can you kindly provide links? I'm crawling through the mailing lists and
not finding anything for the October, (current, stable, sysinstall, ... ?? 
others?)

Do I need to be looking back in September? I wouldn't think so, because that
bit wasn't even in our development tree until October 1st:

This was discussion on freebsd-current from yesterday and the day before.


Links or it didn't happen.

HINT: I just (for the the third time on this topic) crawled the following:
http://lists.freebsd.org/pipermail/freebsd-current/2013-October/thread.html

Please help me find what you're talking about.




https://urldefense.proofpoint.com/v1/url?u=http://druidbsd.cvs.sf.net/viewvc/druidbsd/bsdinstall_zfs/usr.sbin%253A%253Absdconfig%253A%253Ashare%253A%253Adevice.subr.patch?revision%3D1.1%26view%3Dmarkup&k=%2FbkpAUdJWZuiTILCq%2FFnQg%3D%3D%0A&r=LTzUWWrRnz2iN3PtHDubWRSAh9itVJ%2BMUcNBCQ4tyeo%3D%0A&m=aas9lyFMptmk4eQ3C74XXVkRHbiN19EOClxMMjoCuhE%3D%0A&s=9d21b812e49d921455e998bde7c538318c3bfcc8759c1d0b61eede553b203865

So there couldn't have been any discussion on it before then. So I'm just not
able to find the mailing lists where all the action is that they're discussing 
it.
Would be nice to find where the action is, so I could participate.


for example the use of camcontrol
unconditionally even when the disks may not be CAM

Allan Adds:
9.2 should have all disks listed in camcontrol, so it shouldn't be an issue

No it shouldn't. Not all disks are interfaced to CAM. MFI comes to mind, nvme, 
VM block devices, SD cards. There are many other examples.

OK... duly noted. Much thanks for dispelling that myth.



Just because you don't have them does not justify a phenomenological approach 
here.


Need I remind you... we don't *list* the disks from camcontrol... we just use 
it as a perfunctory
value-add by stealing disk descriptions from it if/when it is describing a disk.

I would hardly call that phenomenological (rather, more of a multi-pass 
cartesian ontological
approach).




And:
I think the only systems without cam based disks are old 8.x - we're only 
targeting 10 anyway.

Not true at all.


Thanks.




I tend to agree with those statements.


and destruction of
existing sub-partitioning for MBR disks.

I think we both (Allan and I) actually responded directly to you on this one.

We have code that handles that. It's in there.

To me, yes, but I was wrong in my initial comment as pointed out by some 
others. In particular, you need to run gpart -F destroy recursively on the disk 
instead of just on the root node. There were several other issues and bugs 
mentioned in people's cursory review of the patch.

Where? by whom? and when?

We've already established that it wasn't in the mailing lists (or at least not 
in -current as you claim).



I never dreamed you would then just commit it.


A great mentor of mine once said...

"Practice makes Perfect? NO! Unattainable. [pause] Practice makes 
*improvement*."

Perfection versus Improvement.

I would be hard-pressed to accept any argument that a regression has occurred.



I really really don't want to have to subject installer changes to explicit 
approval requirements,

Threats won't help your cause. Civility is key.


but *please* request review of non-trivial changes before commits, especially 
to the disk partitioning code,

Didn't touch your disk partitioning code.

I have zero plans to. You can keep it (I'll just replace it in-whole when I 
have something better).



and especially again before insta-MFCing them to a stable branch right before a 
release.

Gleb gave me insta-MFC approval.


It is much, much better than having to do this after the fact as
we are doing now.

What we are doing doesn't need to be done (period).
--
Devin

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