Re: [zones-discuss] Re: Proposal: Zone Boot Arguments II

2006-07-24 Thread Jerry Jelinek

Matty wrote:
It sounds like you might be interested in the zoneadm clone option. 
This feature is currently in Solaris Express, and I am hopeful it will 
make Solaris 10 update 3. Does anyone from Sun happen to know if the 
attach, detach and clone features could be released as a patch for 
Solaris 10? These are super useful options, and it would be awesome to 
get them in a supported version of Solaris prior to the next update.


These features will be delivered in the S10u3 release.  I don't think they
will be available before the next update though, unless you use Solaris
express, where they are already available.

Jerry
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Re: [zones-discuss] Re: Proposal: Zone Boot Arguments II

2006-07-23 Thread Dan Price
On Sat 22 Jul 2006 at 02:06PM, Manish Agrawal wrote:
 Is there a timeframe when it will be possible to specify boot
 parameters in the zone configuration. I plan to use zones in a
 classroom environment and would like to script the process of
 destroying existing zones and recreating them at the end of every
 semester. The ability to specify boot parameters in the zone
 configuration would be a great help so I don't have to go through the
 initial boot sequence for each zone every semester.

I'm not sure why boot arguments solves your problem (see Matty's
response)-- you may be looking for sysidcfg support which is already
present, or clone, which would help you snap off many identical
zones.

Anyway, as for boot arguments, I checked in support for this feature
into build 44 of Solaris Nevada.  The following are supported:

-s (single user)
-m smf_options
-i /path/to/init

All Solaris Express builds starting with B44 should have support
for setting the 'bootargs' property in the zonecfg:

zonecfg:myzone set bootargs=-s

Boot arguments may eventually appear in an update for Solaris 10
but I couldn't reasonably speculate as to which one (except not
the next one; that one is already filled up with features).

Thanks,

-dp

-- 
Daniel Price - Solaris Kernel Engineering - [EMAIL PROTECTED] - blogs.sun.com/dp
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Re: [zones-discuss] Re: Proposal: Zone Boot Arguments II

2006-07-23 Thread Wee Yeh Tan

On 7/23/06, Manish Agrawal [EMAIL PROTECTED] wrote:

Is there a timeframe when it will be possible to specify boot parameters in the 
zone configuration. I plan to use zones in a classroom environment and would 
like to script the process of destroying existing zones and recreating them at 
the end of every semester. The ability to specify boot parameters in the zone 
configuration would be a great help so I don't have to go through the initial 
boot sequence for each zone every semester.


Hi Manish,

If you need to duplicate zones quickly and escape the boot sequence (I
believe the SMF import stuff et.al), I'm not sure how much boot
parameters will help you.

Here's what we do now while waiting for zoneadm-clone that Matty
mentioned in S10.

1) Take a clean zone and sys-unconfig it.
2) Tar up an image of this zone's zonepath
3) zonecfg the new zone
4) Untar the image to the new zone's zonepath
5) Edit the file /etc/zones/index and set the new zone's status to installed
6) The new zone should boot straight into sysconfig

If you are using ZFS, Steps 24 are just a ZFS snapshot/clone with the
bonus of saving some disk space.

It's unlikely to be supported by Sun.  I haven't had any problems yet though.

That said, zones has pampered us so much that we have reduced the
re-provisioning cycle from weeks (if it involves a purchase) to
minutes.  And now, even 10 minutes seems too long.


--
Just me,
Wire ...
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