Hi, Just posting this on the list too in case anyone else has experience with the OCAML version of xenstored….

--Yuvraj

From: Yuvraj Agarwal [mailto:yuvraj@cs.ucsd.edu]
Sent: Tuesday, May 25, 2010 10:26 AM
To: 'Boris Derzhavets'; 'Pasi Kärkkäinen'
Subject: RE: [Xen-devel] using OCAML xenstored

Hi Boris and Pasi,

I checked out the latest xen-testing from mercurial, and edited the Config.mk file to have the OCAML version of xenstored built.

I checked and made sure that I have all the patches, and my xm info shows 4.0.1-rc1. After that I built using:

make xen; make tools; make stubdom

make install-xen;
make install-tools PYTHON_PREFIX_ARG=;

make install-stubdom

Unfortunately, it looks like even though the new OCAML version of xenstored is built, it appears in /usr/bin/xenstored instead of the usual “/usr/sbin/xenstored” and the default part of the xenstored to use is the standard one (not the OCAML one)…  

Just FYI: This is an Ubuntu 10.04 64 bit system.

root@ BlackBox:/# ll /usr/bin/xenstored   (new OCAML xenstored I just built..)

-rwxr-xr-x 1 root root 925039 2010-05-25 10:15 /usr/bin/xenstored

root@ BlackBox:/# ll /usr/sbin/xenstored                                   (<< Standard C xenstored)  

-rwxr-xr-x 1 root root 94728 2010-05-01 00:36 /usr/sbin/xenstored

root@ BlackBox:/# which xenstored

/usr/sbin/xenstored

root@BlackBox:/#

thanks

Yuvraj

From: xen-devel-bounces@lists.xensource.com [mailto:xen-devel-bounces@lists.xensource.com] On Behalf Of Boris Derzhavets
Sent: Sunday, May 23, 2010 11:47 AM
To: Yuvraj Agarwal; Pasi Kärkkäinen
Cc: xen-devel@lists.xensource.com
Subject: Re: [Xen-devel] using OCAML xenstored

> 4. "make xen", make "tools"  and then the "make xen-install" and "make
> install-tools PYTHON_PREFIX_ARG=" 

make install-tools PYTHON_PREFIX_ARG=

Wrong syntax when install tools

Boris
BTW. Just a notice.

--- On Sun, 5/23/10, Pasi Kärkkäinen <pasik@iki.fi> wrote:

From: Pasi Kärkkäinen <pasik@iki.fi>
Subject: Re: [Xen-devel] using OCAML xenstored
To: "Yuvraj Agarwal" <yuvraj@cs.ucsd.edu>
Cc: xen-devel@lists.xensource.com
Date: Sunday, May 23, 2010, 9:59 AM

On Sat, May 22, 2010 at 05:48:58PM -0700, Yuvraj Agarwal wrote:
> Hi All,
>
> I would like to give the OCAML version of xenstored a shot, since the
> older version (in C) takes a long time to start up a large number of VMs.
> I have a new machine (Ubuntu 10.04 64bit) that I plan to give this a try
> with. Is there something else that I need to do besides the following:
>
> 1. Build the 2.6.32 pvops kernel as specified in:
> http://wiki.xensource.com/xenwiki/XenParavirtOps
>    < DONE > 
> 2. Download the xen-4.0.0 stable version from
> http://www.xen.org/products/xen_source.html
> 3. change Config.mk flag CONFIG_OCAML_XENSTORED ?= n to "y"  as"
>    CONFIG_OCAML_XENSTORED ?= y
> 4. "make xen", make "tools"  and then the "make xen-install" and "make
> install-tools PYTHON_PREFIX_ARG=" 
>
> Is there something else needed?  Are there any recent patches to the OCAML
> xenstored that I need to apply?
>

Just browse through http://xenbits.xen.org/xen-unstable.hd and http://xenbits.xen.org/xen-4.0-testing.hg changelogs.

xen-4.0-testing.hg is currently at 4.0.1-rc1 stage.

-- Pasi


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