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Re: FW: [Xen-devel] using OCAML xenstored

Some time ago I sent some patches against xen-ocaml-tools.hg to make it work as replacement for the C xenstored in xen-unstable.hg. One of the patches was to fix this install path issue:


I don't think these patches were applied. (I don't know if there is a reason for this.) It might be worth checking out the whole patch queue if you are intending to use it with xen-unstable.hg.



On 26/05/10 05:31, Yuvraj Agarwal wrote:

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


*From:* Yuvraj Agarwal [mailto:yuvraj@xxxxxxxxxxx]
*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

-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





* *

*From:* xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] *On Behalf Of *Boris
*Sent:* Sunday, May 23, 2010 11:47 AM
*To:* Yuvraj Agarwal; Pasi Kärkkäinen
*Cc:* xen-devel@xxxxxxxxxxxxxxxxxxx
*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

BTW. Just a notice.

--- On *Sun, 5/23/10, Pasi Kärkkäinen /<pasik@xxxxxx
<mailto:pasik@xxxxxx>>/* wrote:

From: Pasi Kärkkäinen <pasik@xxxxxx <mailto:pasik@xxxxxx>>
Subject: Re: [Xen-devel] using OCAML xenstored
To: "Yuvraj Agarwal" <yuvraj@xxxxxxxxxxx <mailto:yuvraj@xxxxxxxxxxx>>
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx <mailto:xen-devel@xxxxxxxxxxxxxxxxxxx>
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"
 > 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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