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Aug 2, 2007 7:38 PM
by: michelle
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Introduction to Operating Systems
Posted:
Mar 13, 2006 12:56 PM
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I just finished looking through the "Introduction to Operating Systems:
A Hands-On Approach Using the OpenSolaris Project".
The format of the document is excellent. Makes me wish I had a
duplexer. A big thumbs up to whoever formated it.
The doc is well paced and laid out. I only have two comments:
1) Module 4 I think is more clear written as "Features of OpenSolaris",
rather than "the OpenSolaris project". BrandZ and ZFS aren't features
of the project, but they are features of the OS.
2) I don't think Module 11, "Configuring Filesystems with ZFS" fits into
the context of the guide. The guide is aimed at developers, modules
5-10 are are dev, then you have a sysadmin module, then two more dev
modules. I just don't see how it fits into the flow.
The way I'd resolve this is to break out ZFS and create a second volume
which contains modules of an administrative nature, covering all the
features outlined in Module 4. Another way to look at this is that Vol
2 would provide an excellent guide for an "Advanced UNIX" course,
whereas Vol 1 would fit into the advanced programming course lineup. A
systems course would use them both together.
Just an idea. Excellent guide. When this is complete I think it'll be
of great use to the community at large, not just instructors.
Out of curiousity, will there be a Students version of the doc?
benr.
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Re: Introduction to Operating Systems
Posted:
Mar 13, 2006 1:06 PM
in response to: benr
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Hi ben,
Thanks so much for these comments, I agree with you about ZFS and I like your ideas. This also fits in with the upcoming release of the ZFS admin guide as source--I have the first transformation complete (SGML->XML), and we'll have a beta dowload page very soon. I've added you as a leader to this community, so you can help out directly. Thanks again for your efforts. Oh yes, there is a student guide here:
http://opensoalris.org/os/community/edu/nocost_resources/studentguide.pdf
Sorry to be so short, gotta run.
-Michelle
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Re: Introduction to Operating Systems
Posted:
Mar 15, 2006 8:17 AM
in response to: benr
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> 1) Module 4 I think is more clear written as "Features of OpenSolaris",
> rather than "the OpenSolaris project". BrandZ and ZFS aren't features
> of the project, but they are features of the OS.
..
> 2) I don't think Module 11, "Configuring Filesystems with ZFS" fits into
> the context of the guide. The guide is aimed at developers, modules
+1. I would expect features like this to be covered in a sysadmin course,
not an OS course. It felt awkward to see them in the context of this guide.
I have some comments on the student portion of the guide.
General:
o The student guide could use a better kernel primer (maybe in the form
of an appendix). I think the one here (lifted from the WDD guide?) is way
too thin.
o There is no primer to introduce the debugger. Instead the guide jumps
right in assuming that those skills are already built up. An introductory
module to the debugger might be nice to have.
o There is no discussion of DTrace internals - yet the guide eludes to
the internals. I think the internals of DTrace are a fine thing to cover,
but if so they need their own module.
o A good extension to the character driver example might be to build a
simulated device kernel module which the instructor would provide for the
module. The sample character driver would "drive" the simulated device. We
could simulate data coming in and going out using a FIFO, and use timers
and taskq's to simulate interrupts. This would be IMO more interesting
than a skeleton driver.
o Profs mentioned at SIGCSE building simple file system modules. This
is advanced but might still be a nice thing to add!
If you don't know where to get content for these contact me offline and
I'll get you set up with the right folks to make this happen.
P9 "relevance" - add another bullet, "superior observability and debugging
tools"
P13 - this section on OpenGrok seemed a bit thin. I'd like to see several
more examples.
P23 - a URL runs into the margin
P26 top - Overview - you're missing a bullet for Predictive Self Healing
P27 fourth para - there's something missing here!
P29 ZFS section - last paragraph - seems really awkward here. I wonder if
it was meant to go below DTrace? Also, I think this could use rewording.
P42/43 - replace "driver" with "module" or "kernel module". Also there
isn't a good explanation of what a kernel module is, or that a driver is a
classification of kernel module.
P74 - the rest of this module is completely x86-hardware-specific, but
there is no mention of this. It will have to be changed for SPARC!
P81 - uses the ,10/K syntax. Instead I think this module should use
::dump. [see below]
P83 - I think it might be interesting for extra credit to walk the page
tables of the process to see how a virtual address gets translated into a
physical one. If you think this is worthwhile I'll provide you the content
offline.
P88 - this seems thin.
A ::dump example (obviously it's not exactly the same since my machine is
different):
[1]> bd62000+ea2,10*8::dump -q -p -g 8
0 1\/ 3 4 5 6 7 8 9 a b c d e f
bd62ea0: 0000000000000000 102eb6f4ffffffff
bd62eb0: 002fb6f4ffffffff 882eb6f4ffffffff
bd62ec0: 882eb6f4ffffffff 0100000000000000
bd62ed0: 0000000002010000 a8354a83ffffffff
bd62ee0: 854c010000000000 0000000000000000
bd62ef0: 01000800be000000 0000000000000000
bd62f00: 00f02b82ffffffff a033c2fbffffffff
bd62f10: 0100000000000000 0000000000000000
bd62f20: 882eb6f4ffffffff 782fb6f4ffffffff
This is an awesome resource, I can't wait to see folks using this in the
wild!!
- Eric
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Re: Introduction to Operating Systems
Posted:
Apr 20, 2006 5:09 PM
in response to: elowe
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Hi,
I've taken the first step toward addressing your comments on the Intro to OS document. Please have a look at the new Doc Reviews page I've created at http://opensolaris.org/os/community/documentation/reviews to find a link to the latest copy of the document.
New changes to the content are indicated by change bars in margins and underlining/strikethrough in the running text of the PDF. I have also added writer and reviewer remarks where I have follow-up questions. These are summarized on p.3.
Please let me know that I've interpreted your comments correctly, then I will begin to gather and write content for the new pieces, posting new drafts as I go. Most of the interesting changes are in the ZFS chapter, where I've put together a new list of possible lessons that are more developer oriented.
Thanks again for your help!
Regards,
Michelle
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Re: Introduction to Operating Systems
Posted:
Apr 21, 2006 10:22 AM
in response to: michelle
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The link on that page seems to be broken (and I'm not sure where it should point to). If you could fix it, we would all be grateful. We'd love to see more of your hard work.
Also, there's a typo in the student guide link above. I think you meant:
http://opensolaris.org/os/community/edu/nocost_resources/studentguide.pdf
(I think the mis-spelling of "Soalris" is getting as common as "teh" other well-known one. Bad fingers! Bad! ;-)
Rainer
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Re: Introduction to Operating Systems
Posted:
Apr 21, 2006 10:34 AM
in response to: rheilke
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Hi Rainer,
Thanks so much for checking this, I'm consistently providing bogus links on this thread, so your attention to detail is greatly appreciated! I've fixed the link on the Doc Reviews page, I think ;)
Thanks,
Michelle
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Re: Introduction to Operating Systems
Posted:
Oct 24, 2006 4:45 PM
in response to: michelle
To: Communities » documentation » discuss
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Hi all,
I've completed a minor update to the Intro to OS guide. I've posted the document to a new location and updated the link target here:
http://opensolaris.org/os/community/documentation/reviews
Thanks to everyone who provided feedback and content for this minor release. I was not able to address all of the excellent suggestions for new content (hence the minor number), but I did manage to do the following:
-new Zones content
-restructuring to put the admin content into better context
-removed the Device Driver content to shorten the document
-Studio 11 references, community size, new communities
-URLs to Starter Kit and registration information
-Acknowledgments section
Our internal globalization group has volunteered to maybe translate this document, and we're working on a pocket-book sizing so I'll let you know if all that interesting stuff pans out.
Regards,
Michelle
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Re: Introduction to Operating Systems
Posted:
Nov 2, 2006 11:26 AM
in response to: michelle
To: Communities » documentation » discuss
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Hi,
Thanks to those who provided more feedback on the minor update to the Intro to OS document, I've incorporated those changes and finalized this version. A new PDF is posted here:
http://opensolaris.org/os/community/documentation/reviews
More comments are always welcome as this document is a work in progress. The globalization group has received approval to translate the document, so I'll get you details as that work gets completed.
Regards
Michelle,
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Re: Introduction to Operating Systems
Posted:
Nov 2, 2006 2:40 PM
in response to: michelle
To: Communities » documentation » discuss
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Hi Michelle,
I just downloaded the document and overall I am very impressed. I had a few suggestions that I wanted to pass along. Also, I was wondering if it would be worth creating a download of files that could be used for the lab exercises, such as sample configuration files to give users the option of looking at pre-canned information in case they run into typo based errors when they are trying a lab.
* In the 'To Create, Install, and Boot a Zone' lab on page 31, the sysid configuration step isn't shown
(which would be in step 5). This could also be covered by having the user create a sysidcfg file which would skip the interactive questions.
* In the 'Web Server Virtualization With Zones' lab on page 34, the title says 'Creating Two Local Zones' but the commands are actually showing the configuration of (apparently) previously existing zones. I think it would be helpful to change the commands to show creating the two zones that will be used or to mention that the lab assumes that the zones have been previously created.
* It would be nice to add a lab exercise for least privileges, such as showing
+ how to use the ppriv command to list privileges
+ have a user try to do something that requires a privilege and fails (such as starting a program listening on a low port like a web server on port 80)
+ modify the account with usermod -K defaultpriv=basic,net_privaddr $user
+ have the user re-login, verify the new privilege
+ relaunch the program that listens on a low port and verify it works
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Re: Introduction to Operating Systems
Posted:
Nov 2, 2006 5:55 PM
in response to: wdhath
To: Communities » documentation » discuss
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Hi,
Thanks for these comments! Much appreciated. I do think it a great idea to provide a download of files for the lab exercises. You might check out the following page on the Academic and Research community, where some University materials have been developed that might be in the same vein:
http://www.opensolaris.org/os/community/edu/curriculum_development/
I also love the idea of adding a lab for least privileges! Thanks for the suggestion, I'll definitely add this to the next revision and we can work to develop it further. I'll take back the comments about page 31 and 34 to the core zones team for review and update the content accordingly.
Regards,
Michelle
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Re: Introduction to Operating Systems
Posted:
Jul 31, 2007 4:13 PM
in response to: michelle
To: Communities » documentation » discuss
Cc: Communities » networking » discuss
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Hi all,
I've just uploaded a revised version of 'Introduction to Operating Systems: A Hands-On Approach Using the OpenSolaris Project'. Please review and provide feedback, change bars in the margins indicate updates.
http://opensolaris.org/os/community/documentation/reviews/
Here's a summary of changes:
Major changes: modules 1, 4, 6 (new), and 16 (new)
Minor changes: modules 2, 3, 5, 7, 9, 10, 13
No changes: modules 12, 14, 15, 8, 11
A new introduction to the document authored by Rich Teer is now included. Module 6 was added for Networking. Module 15 still needs TLC, and 16 is new, but also needs help and ideas.
Thanks in advance for your help and feedback!
Regards,
Michelle Olson
OpenSolaris Documentation Community
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Re: Introduction to Operating Systems
Posted:
Jul 31, 2007 6:03 PM
in response to: michelle
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Pg. 7: "Relevance" - Do you mean 2007, not 2008?
Pg. 14: x64 is not just AMD any more - change "AMD x64" to just "x64"?
Pg. 17: OpenGrok - should Mercurial be added to the list?
Pg. 20: ZFS - haven't they dropped the "Zettabyte" name? (If not,
shouldn't it be spelled the same as on pg. 24?)
Pg. 50: URL for NWAM info has visible formatting tags in it.
Pg. 57: "Prebuilt OpenSolaris distributions are limited to SX:CR"
- old name for SX:CE
- what about Belenix? Nexenta? Schillix? Martux? SX:DE?
Pg. 57: Memory requirements - should it mention the 768 Mb requirement
for the Developer installer?
Module 8: Much of what is described is specific to the ON community,
not the rest of OpenSolaris - it should be clearly labeled as such.
Pg. 66: The last 2 paragraphs about Perl's POSIX.pod seems out of
place - what does it have to do with the kernel threading model?
Pg. 106: Mozilla has been removed from Solaris/OpenSolaris - should this
example use firefox instead?
--
-Alan Coopersmith- alan dot coopersmith at sun dot com
Sun Microsystems, Inc. - X Window System Engineering
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Re: Introduction to Operating Systems
Posted:
Jul 31, 2007 10:37 PM
in response to: alanc
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On 7/31/07, Alan Coopersmh < alan dot coopersmith at sun dot com> wrote:
Pg. 7: "Relevance" - Do you mean 2007, not 2008?
Pg. 14: x64 is not just AMD any more - change "AMD x64" to just "x64"?
Pg. 17: OpenGrok - should Mercurial be added to the list?
Pg. 20: ZFS - haven't they dropped the "Zettabyte" name? (If not,
shouldn't it be spelled the same as on pg. 24?)
Pg. 50: URL for NWAM info has visible formatting tags in it.
Pg. 57: "Prebuilt OpenSolaris distributions are limited to SX:CR"
- old name for SX:CE
- what about Belenix? Nexenta? Schillix? Martux? ;SX:DE?
Pg. 57: Memory requirements - should it mention the 768 Mb requirement
for the Developer installer?
And how to get around that, as you really don't need that much memory to run it, just to install it... (There are workarounds if I recall)
Module 8: Much of what is described is specific to the ON community,
not the rest of OpenSolaris - it should be clearly labeled as such.
Pg. 66: The last 2 paragraphs about Perl's POSIX.pod seems out of
place - what does it have to do with the kernel threading model?
Pg. 106: Mozilla has been removed from Solaris/OpenSolaris - should this
example use firefox instead?
First let me say, I like the doc... I think it will be very useful for more than just the Educational sector... I think it should eventually include more consolidations.
The only thing I found so far, it that there are vertical marks on the right hand side of many pages. (Actually there seem to be vertical markings on the left as well)
Cheers,
Brian
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Re: Introduction to Operating Systems
Posted:
Jul 31, 2007 11:05 PM
in response to: brandorr
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Brian Gupta wrote:
> The only thing I found so far, it that there are vertical marks on the
> right hand side of many pages. (Actually there seem to be vertical
> markings on the left as well)
Sorry for my lack of involovement here; I'm so far behind I'm looking at
the back of my own head. :-(
From the quick glance I had, I'd say those are the standard markings to
denote changed sections/text from the previous draft. The next draft
will have the same markings, but only where that draft changes from this
one. And so on...
Rainer
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Re: Introduction to Operating Systems
Posted:
Aug 2, 2007 4:54 PM
in response to: brandorr
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Brian Gupta wrote:
>
> First let me say, I like the doc... I think it will be very useful for
> more than just the Educational sector... I think it should eventually
> include more consolidations.
Can you elaborate on what you mean by consolidations here? I'm not sure
I understand the addition you're suggesting.
>
> The only thing I found so far, it that there are vertical marks on the
> right hand side of many pages. (Actually there seem to be vertical
> markings on the left as well)
Right, I forgot to mention that the vertical bars in the margins
indicate changes I made in this update. The next PDF I post will have a
new set of these to indicate latest updates.
Thanks!
Michelle
>
> Cheers,
> Brian
>
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Re: Introduction to Operating Systems
Posted:
Aug 2, 2007 4:50 PM
in response to: alanc
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Alan Coopersmith wrote:
> Pg. 7: "Relevance" - Do you mean 2007, not 2008?
fixed.
>
> Pg. 14: x64 is not just AMD any more - change "AMD x64" to just "x64"?
agreed.
>
> Pg. 17: OpenGrok - should Mercurial be added to the list?
good point, I've added a section about source repositories.
>
> Pg. 20: ZFS - haven't they dropped the "Zettabyte" name? (If not,
> shouldn't it be spelled the same as on pg. 24?)
changed both to ZFS.
>
> Pg. 50: URL for NWAM info has visible formatting tags in it.
fixed.
>
> Pg. 57: "Prebuilt OpenSolaris distributions are limited to SX:CR"
> - old name for SX:CE
> - what about Belenix? Nexenta? Schillix? Martux? SX:DE?
added.
>
> Pg. 57: Memory requirements - should it mention the 768 Mb requirement
> for the Developer installer?
yes, fixed.
>
> Module 8: Much of what is described is specific to the ON community,
> not the rest of OpenSolaris - it should be clearly labeled as such.
labeled.
>
> Pg. 66: The last 2 paragraphs about Perl's POSIX.pod seems out of
> place - what does it have to do with the kernel threading model?
I commented out these two paras.
>
>
> Pg. 106: Mozilla has been removed from Solaris/OpenSolaris - should this
> example use firefox instead?
I'll need help to update the entire example with different variables.
Max Bruning authored this in a training piece, maybe he has a newer
example that we can use instead? I'll dig around.
>
Thanks so much for this feedback, Alan! When I finish incorporating the
changes submitted by other reviewers, I'll post new copy with change
bars. Much appreciated!
-Michelle
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Re: Introduction to Operating Systems
Posted:
Jul 31, 2007 11:15 PM
in response to: michelle
To: Communities » documentation » discuss
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Hi Michelle,
Module 6 looks great to me. I only have two comments.
1) Page 51, "Then, enable and restart the SMF services by using the svc:/network/ipfilter command." It's incorrect to call "svc:/network/ipfilter" a command. This sentence could be changed as the line above the first Note at the same page: "Then, enable and restart the svc:network/ipfilter service by using the svcadm command."
2) Page 52 seems duplicated with page 51. And the content of p52 is also a little outdated. For example, /etc/ipf/pfil.ap is obsolete since the PFHooks project was integrated. I suggest removing the whole page.
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Re: Introduction to Operating Systems
Posted:
Aug 1, 2007 6:32 AM
in response to: yifan
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Hi Michelle,
Comments on "Module 4 Configuring Zones"
* Better to have picture/block diagram so that users can have a better
understanding.
* Its good to mention about "scratch zone" and "whole-zoot zone" .
* In the Zones exercise we can have one zone which is of "scratch zone"
and other one as "whole-root zone" .
~ Pradhap.D
yifan xu wrote:
> Hi Michelle,
>
> Module 6 looks great to me. I only have two comments.
>
> 1) Page 51, "Then, enable and restart the SMF services by using the svc:/network/ipfilter command." It's incorrect to call "svc:/network/ipfilter" a command. This sentence could be changed as the line above the first Note at the same page: "Then, enable and restart the svc:network/ipfilter service by using the svcadm command."
>
> 2) Page 52 seems duplicated with page 51. And the content of p52 is also a little outdated. For example, /etc/ipf/pfil.ap is obsolete since the PFHooks project was integrated. I suggest removing the whole page.
>
>
> This message posted from opensolaris.org
> _______________________________________________
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>
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Re: Introduction to Operating Systems
Posted:
Aug 2, 2007 6:53 PM
in response to: pradhap
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Pradhap Devarajan wrote:
> Hi Michelle,
> Comments on "Module 4 Configuring Zones"
> * Better to have picture/block diagram so that users can have a better
> understanding.
If you know of a good diagram I could use, I will make this addition.
> * Its good to mention about "scratch zone" and "whole-zoot zone" .
> * In the Zones exercise we can have one zone which is of "scratch zone"
> and other one as "whole-root zone" .
I'm not sure that I understand the change you are suggesting here, can
you give me some more specifics? I heard about exclusive and shared-IP
zones, but not whole-root and scratch :)
Thanks for your time to do this!
-Michelle
>
> ~ Pradhap.D
>
> yifan xu wrote:
>
>>Hi Michelle,
>>
>>Module 6 looks great to me. I only have two comments.
>>
>>1) Page 51, "Then, enable and restart the SMF services by using the svc:/network/ipfilter command." It's incorrect to call "svc:/network/ipfilter" a command. This sentence could be changed as the line above the first Note at the same page: "Then, enable and restart the svc:network/ipfilter service by using the svcadm command."
>>
>>2) Page 52 seems duplicated with page 51. And the content of p52 is also a little outdated. For example, /etc/ipf/pfil.ap is obsolete since the PFHooks project was integrated. I suggest removing the whole page.
>>
>>
>>This message posted from opensolaris.org
>>_______________________________________________
>>docs-discuss mailing list
>>docs-discuss at opensolaris dot org
>>
>
> _______________________________________________
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> docs-discuss at opensolaris dot org
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Re: Introduction to Operating Systems
Posted:
Aug 2, 2007 5:05 PM
in response to: yifan
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yifan xu wrote:
> Hi Michelle,
>
> Module 6 looks great to me. I only have two comments.
>
> 1) Page 51, "Then, enable and restart the SMF services by using the svc:/network/ipfilter command." It's incorrect to call "svc:/network/ipfilter" a command. This sentence could be changed as the line above the first Note at the same page: "Then, enable and restart the svc:network/ipfilter service by using the svcadm command."
>
fixed.
> 2) Page 52 seems duplicated with page 51. And the content of p52 is also a little outdated. For example, /etc/ipf/pfil.ap is obsolete since the PFHooks project was integrated. I suggest removing the whole page.
>
done.
Thank you! I'll send revised copy for final review when I finish
incorporating all feedback.
-Michelle
>
> This message posted from opensolaris.org
> _______________________________________________
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Re: Introduction to Operating Systems
Posted:
Aug 1, 2007 11:51 AM
in response to: michelle
To: Communities » documentation » discuss
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I regret I don't have time for the whole doc ... but I did read the introduction, and found it a bit (read: *lots!*) too marketing-heavy for my taste for the kind of document I understand this to be.
Michael
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Re: Introduction to Operating Systems
Posted:
Aug 2, 2007 7:38 PM
in response to: schuster
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Michael Schuster wrote:
> I regret I don't have time for the whole doc ... but I did read the introduction, and found it a bit (read: *lots!*) too marketing-heavy for my taste for the kind of document I understand this to be.
>
> Michael
>
>
> This message posted from opensolaris.org
> _______________________________________________
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No one else has made this comment, so I have left the section as-is for
beta review. Thanks for your time to respond to the review request.
-Michelle
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Re: Introduction to Operating Systems
Posted:
Aug 1, 2007 7:35 PM
in response to: michelle
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Michelle Olson <michelle dot olson at sun dot com> writes:
> Hi all,
>
> I've just uploaded a revised version of 'Introduction to Operating
> Systems: A Hands-On Approach Using the OpenSolaris Project'. Please
> review and provide feedback, change bars in the margins indicate
> updates.
>
> http://opensolaris.org/os/community/documentation/reviews/
>
> Here's a summary of changes:
>
> Major changes: modules 1, 4, 6 (new), and 16 (new) Minor changes:
> modules 2, 3, 5, 7, 9, 10, 13 No changes: modules 12, 14, 15, 8, 11
>
> A new introduction to the document authored by Rich Teer is now
> included. Module 6 was added for Networking. Module 15 still needs
> TLC, and 16 is new, but also needs help and ideas.
>
> Thanks in advance for your help and feedback!
Just a quick note/question:
On p24 the name Zettabyte File System is used. Is that actually the
official name of the filesystem? I was under the impression that it was
called ZFS and only ZFS.
Boyd
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Re: Introduction to Operating Systems
Posted:
Aug 1, 2007 8:20 PM
in response to: boyd
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> On p24 the name Zettabyte File System is used. Is
> that actually the
> official name of the filesystem? I was under the
> impression that it was
> called ZFS and only ZFS.
Correct... ZFS is just ZFS.
- Eric
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Re: Introduction to Operating Systems
Posted:
Aug 1, 2007 10:06 PM
in response to: elowe
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Re: Introduction to Operating Systems
Posted:
Aug 2, 2007 10:25 AM
in response to: elowe
To: Communities » documentation » discuss
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"Zettabyte File System" is the formal, expanded name of the file system and "ZFS" is its abbreviation. In most Sun manuals, the name is expanded at first use and the abbreviation used the rest of the time. Though I was surprised to find that the Solaris ZFS System Administration Guide, which I would consider the main source of ZFS information, doesn't seem to have "Zettabyte" anywhere in it. Anyway, both names are official and correct, but since "Zettabyte" is such a mouthful, "ZFS" is what gets used most of the time.
HTH.
Lisa Shepherd
Sun Cluster Technical Publications
"We're the M in RTFM"
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Re: Introduction to Operating Systems
Posted:
Aug 2, 2007 10:32 AM
in response to: lisashep
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Lisa Shepherd wrote:
> "Zettabyte File System" is the formal, expanded name of the file system and "ZFS" is its abbreviation. In most Sun manuals, the name is expanded at first use and the abbreviation used the rest of the time. Though I was surprised to find that the Solaris ZFS System Administration Guide, which I would consider the main source of ZFS information, doesn't seem to have "Zettabyte" anywhere in it. Anyway, both names are official and correct, but since "Zettabyte" is such a mouthful, "ZFS" is what gets used most of the time.
How current is that? I thought that while "Zettabyte File System"
was the original name, use of it was dropped a couple years ago and
ZFS became the only name. I don't see "Zettabyte" appearing anywhere
in the ZFS community pages.
--
-Alan Coopersmith- alan dot coopersmith at sun dot com
Sun Microsystems, Inc. - X Window System Engineering
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Erblichs
erblichs@earthlink.net
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Re: [zfs-discuss] Introduction to Operating Systems
Posted:
Aug 2, 2007 11:11 AM
in response to: alanc
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http://www.sun.com/software/solaris/ds/zfs.jsp
Solaris ZFSThe Most Advanced File System on the Planet
Anyone who has ever lost important files, run out of space on a
partition, spent weekends adding new storage to servers, tried to grow
or shrink a file system, or experienced data corruption knows that there
is room for improvement in file systems and volume managers. The Solaris
Zettabyte File System (ZFS), is designed from the ground up to meet the
emerging needs of a general-purpose file system that spans the desktop
to the data center.
Mitchell Erblich
Ex-Sun Eng
------------------
Alan Coopersmith wrote:
>
> Lisa Shepherd wrote:
> > "Zettabyte File System" is the formal, expanded name of the file system and "ZFS" is its abbreviation. In most Sun manuals, the name is expanded at first use and the abbreviation used the rest of the time. Though I was surprised to find that the Solaris ZFS System Administration Guide, which I would consider the main source of ZFS information, doesn't seem to have "Zettabyte" anywhere in it. Anyway, both names are official and correct, but since "Zettabyte" is such a mouthful, "ZFS" is what gets used most of the time.
>
> How current is that? I thought that while "Zettabyte File System"
> was the original name, use of it was dropped a couple years ago and
> ZFS became the only name. I don't see "Zettabyte" appearing anywhere
> in the ZFS community pages.
>
> --
> -Alan Coopersmith- alan dot coopersmith at sun dot com
> Sun Microsystems, Inc. - X Window System Engineering
>
> _______________________________________________
> zfs-discuss mailing list
> zfs-discuss at opensolaris dot org
> http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
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Re: Introduction to Operating Systems
Posted:
Aug 2, 2007 6:56 PM
in response to: boyd
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Boyd Adamson wrote:
> Just a quick note/question:
>
> On p24 the name Zettabyte File System is used. Is that actually the
> official name of the filesystem? I was under the impression that it was
> called ZFS and only ZFS.
fixed.
Thanks!
Michelle
>
> Boyd
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