Re: [zones-discuss] Solaris 8/9 Container performance

2008-06-12 Thread Rayson Ho
I believe it may led to better performance, as the actual kernel (S10)
is more efficient in many ways, while the overhead of adaption (ie.
the brandZ code) is usually small.

Rayson



On 6/12/08, Peter Tobac [EMAIL PROTECTED] wrote:

 Hi,

 from performance point of view running an application in a Solaris 10 zone 
 does not differ from running it in the global zone.
 What about Solaris 8/9 containers?  Would a Solaris 8/9 container be less 
 performant than a native S8/S9 installation?

 Thanks for your feedback!

 Peter





 
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 Engagement Architect

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Re: [zones-discuss] Setting the time in a Zone (or Container)

2007-08-17 Thread Rayson Ho
Timewarp Zones will eventually be in a future version of Solaris:

http://blogs.sun.com/dank/entry/28_days_later
http://blogs.sun.com/dank/entry/the_semantics_of_time_independent
http://blogs.sun.com/dank/entry/back_to_the_future_timewarp

Rayson



On 8/17/07, Paul Davis [EMAIL PROTECTED] wrote:

 You can set the TIMEZONE as desired within each local zone to be
 different than the global zone, but each zone does not keep it's own
 time as such.

 Paul
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Re: [zones-discuss] webshere in Solaris 10 containers

2007-05-26 Thread Rayson Ho

Just the first few hits from googling for: Websphere solaris
containers filetype:pdf

Solaris Containers For WebSphere Application Server:
http://blogs.sun.com/sunabl/resource/WebSphere_SolarisContainerScenarios.pdf

An optimal platform for deploying IBM WebSphere Middleware
http://www.sun.com/third-party/global/websphere/WebSphere-Sol-10-SS-4.pdf

Rayson




On 5/26/07, Raed Bayyat [EMAIL PROTECTED] wrote:

Hi All,

I know that IBM Webshere is certified to run on Solairs 10, however has
any experiance on running Webshere in Solaris 10 container or zones? is
their any issues?

Regards
Raed

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Re: [zones-discuss] Re: Changing the date of a nonglobal zone

2007-04-26 Thread Rayson Ho

On 4/24/07, Dan Price [EMAIL PROTECTED] wrote:

No, it's not possible to do so.  However, the time zone can be set
independently between zones.


Having a different date/time settings for non-global zones seems to be
a commonly requested feature...

IMO, it should be possible to allow a time offset in each non-global
zone, but gettimeofday()  time() in those zones will need to be
modified to add the offset into the return value.

Rayson
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Re: [zones-discuss] Re: Changing the date of a nonglobal zone

2007-04-26 Thread Rayson Ho

On 4/26/07, Jeff Victor [EMAIL PROTECTED] wrote:

Because a time zone is a time offset, how does that not meet your needs?


I think TZ has its limitation on this -- but frankly I don't have a
real need for it.



Also, I had thought that there was an RFE to allow each zone to have its own
time clock, but I can't find it now.


In the FAQ: RFE 5033497

http://www.opensolaris.org/os/community/zones/faq/#cfg_clock

Rayson





--
Jeff VICTOR  Sun Microsystemsjeff.victor @ sun.com
OS AmbassadorSr. Technical Specialist
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Re: [zones-discuss] Zones Examples

2007-04-23 Thread Rayson Ho

On 4/23/07, Brendan Gregg - Sun Microsystems [EMAIL PROTECTED] wrote:

This makes it easier for myself and others to update (and due to recent
zone developments it does need some updates - it was mostly written over
2 years ago!).


Yup, linking to the Sun BluePrints would be cool too...

Rayson





cheers,

Brendan

--
Brendan
[CA, USA]
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Re: [zones-discuss] wrong root pwd for one of my zone, how can I recover it?

2007-04-19 Thread Rayson Ho

I found this:

http://www.sun.com/emrkt/campaign_docs/expertexchange/knowledge/solaris_grid_gen.html#5

Rayson



On 4/19/07, steeles [EMAIL PROTECTED] wrote:

I couldn't remember root password for one of zones, is there any way to recover 
it back?

Thanks.


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Re: [zones-discuss] Container s in practice – please advice

2007-03-23 Thread Rayson Ho

There are a number of nice documents at:

http://www.sun.com/blueprints/browsedate.html

1) The Sun BluePrints Guide to Solaris Containers: Virtualization in
the Solaris Operating System

2) Application and Database Server Consolidation on the Sun Fire X4600
Server using Solaris Containers

3) Deploying Sun Java Enterprise System 2005-Q4 on the Sun Fire T2000
Server Using Solaris Containers

4) Working with Solaris Containers and the Solaris Service Manager

5) Solaris Containers Technology Architecture Guide

6) Consolidating the Sun Store onto Sun Fire T2000 Servers

7) Web Consolidation on the Sun Fire T1000 using Solaris Containers

Rayson




On 3/23/07, Adam Luzecki [EMAIL PROTECTED] wrote:

Hello forum users,

I am finishing computer science studies this year and I need to create thesis. I'm 
interested in Solaris containers and would like to describe this technology. I want to 
create a project that uses containers to do something useful and provides 
some functionality, not only shows how to create zones and assign resources.

I have an Ultra 10 with Ultra Sparc IIi 300MHz CPU , 512 MB RAM and 20 GB HDD 
available. Does someone have any idea how to show practical use of containers 
on such machine?

Other solution I think about is just to design containers without 
implementation, so I would not need any hardware. But unfortunately I do not 
have administration experience to decide about resource allocation.

Could you please advice if you have any ideas about using containers on Ultra 
10, or if you can provide any other suggestions for using  Containers in 
practice.

Many thanks,
Adam


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Re: [zones-discuss] Any plans for a Vmotion-like Zone migration tool?

2007-03-20 Thread Rayson Ho

On 3/20/07, Nils Nieuwejaar [EMAIL PROTECTED] wrote:

When migrating a zone, you would have to find some way to extricate the
kernel state for just that some subset of a system's processes, devices,
network connections, etc. - then insert that state into the middle of a
kernel already running on another machine.  To put it mildly, that would be
hard.


It's called kernel-level checkpointing... some operating systems (Cray
unicos, IRIX) support it.

It's hard, but doable. Those OS writes the address space of the
processes to disk, and also record the system state related to those
processes (pid, pgid..., IPC, sockets, etc). On restart, the kernel
tries to allocate the resources, and resume the process(es). Restart
can fail if the pid is already used by another process, for example.

IMO, it's useful for long running applications (that's why those HPC
systems have it), but for business applications, HA/clustering can do
a better job.

Rayson





If you want live migration on Solaris, and you are using x86/x64 machines,
then you should be looking at Xen.
   http://www.opensolaris.org/os/community/xen

Nils
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Re: [zones-discuss] Re: [sysadmin-discuss] NFS server in zones

2007-03-08 Thread Rayson Ho

Hi all,

Have we decided what to do for supporting NFS server in non-global zones??

And if we are going forward with the kernel approach (instead of
running user-space NFS servers), then may be the NFS developers can
answer a few questions:

1) How big a project is it?? (just a rough est)

2) Where is the code for the NFS service?? Which source directory(s)
is the starting point??

Correct me if I am wrong - what we need to do to let non-global zones
be NFS server is to change some of the data structures in the NFS
server code to per-zone data structure - similar to IP Instances: ...
take all the other data and convert it from global data to fields in
an instance data structure

page 21:
http://www.opensolaris.org/os/project/crossbow/Docs/ipinstances-sug1.pdf

And, if this is not many months of work, then sounds like it can be a
summer of code project, and I will write up an initial project
proposal (similar to what I am going to do for lx brand on SPARC
(Project BrandZ) ):

http://mail.opensolaris.org/pipermail/summerofcode/2007-March/11.html

Rayson



On 2/14/07, Octave Orgeron [EMAIL PROTECTED] wrote:

Hi Tom,

Thanks for the input. I agree that it'll take a lot of involvement from
the community to deliver the code. But I also think there some should a
lot of collaboration with the NFS engineers to insure we don't break
stuff:) I'm all for a project to be launched from the NFS or Zones
community for this. I'd even be willing to help out, just have to keep
in mind my programming is a little rusty:)

Octave

--- Tom Haynes [EMAIL PROTECTED] wrote:

 Octave Orgeron wrote:
  Hi,
 
  This has been a major complaint for many sysadmins and beta
 testers. I
  know one of my first bugs filed against the betas of Solaris 10 was
 the
  lack of NFS server functionality within zones. I've even been in
 the
  situation at work where this has been a requirement, only to have
 to
  scrap projects. Probably the most common idea for having a zone NFS
  server is for Jumpstart or home directories. As things stand today,
  it's not doable. I've even escalated this thru different channels
 over
  the past few years only to see it go no where. I'm sure there is a
 lot
  of demand for this feature for zones.
 
  I think the key requirements would be:
 
  1. Full NFS server functionality within a zone. So things like
 share,
  /etc/dfs/dfstab, sharemgr, ZFS sharing, etc. should work in the
 same
  manner as they do in the global zone.
  2. Security. Separation of NFS namespace to insure proper security
  between zones. This may be achieved by making the kernel NFS
 framework
  aware of the zoneid context.
  3. Performance. NFS serving out of a zone should not be slower or
 less
  scalable than NFS serving from the global zone.
 
  Starting a project would be nice. But I think there should be close
  involvement with the NFS engineers at Sun. As for getting their
  attention and funding, the best we can do is show enough community
  interest for NFS within zones.
 
  So I'd ask all sysadmins, developers, etc. to respond to this
 thread to
  show support for fixing this.
 
 
 Octave,

 Thanks for the input on the requirements.

 I am a NFS engineer for Sun. I don't think we should count on getting

 attention
 and funding for Sun's NFS engineers to do this project. All of us are

 aware of the
 need, but are focused on delivering other products. I'm not saying
 they
 will not
 help out, I don't think you could stop them.

 Again, I think that this is a golden opportunity to start an
 OpenSolaris
 project
 in the clear and with full involvement from the community. I'm
 willing to
 provide project leadership and mentoring to external developers. I'm
 pretty
 sure that the other NFS engineers are willing to review requirements,
 specs,
 design, code, etc. But the bulk of that work will fall on the
 community
 to provide.

 I'm not looking to start a project which gets done entirely within
 Sun.

 Thanks,
 Tom


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Re: [zones-discuss] guidance for beginner

2007-02-03 Thread Rayson Ho

On 2/3/07, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote:

I can avoid giving root access to the users with sudo.
But does that mean giving them zones will be easier or safer?


Yes, giving away root access in non-global zones is very safe. There
is no way to escape from a non-global zone to another non-global zone
or to the global zone. So even the root user can only modify settings
in his own zone.

BTW, there are a number of good articles on zones/containers at:
http://www.sun.com/bigadmin/content/zones/
http://www.sun.com/blueprints/browsedate.html

Rayson




Any guidance greatly appreciated! (should mention I have lots of experience 
with sol9 and 8 but none with sol10...

TIA

Tony


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Re: [zones-discuss] non global zone and NFS server

2006-10-27 Thread Rayson Ho

It's being worked on:
http://bugs.opensolaris.org/bugdatabase/view_bug.do?bug_id=4964859

IIRC, it is currently not supported because the kernel part of NFS
server does not understand the concept of zones...

Rayson
==
http://gridengine.sunsource.net/
http://www.gridengine.info/


On 10/27/06, Paul van den Bogaard [EMAIL PROTECTED] wrote:

It used to be that running a NFS server was not supported in a non global zone. 
Is this till the case?
If so are there any plans to support it?
What is the reason for not supporting NFS server in a non global zone?

Thanks
Paul.

--
Paul van den Bogaard Sun Microsystems, NL
GPE NE   Saturnus 1
Xtension:15918   3824 ME AMERSFOORT
Office:  +31 334 515 918 The Netherlands
Mobile:  +31 651 913 354

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