On Mon, Mar 18, 2013 at 7:10 PM, Stefan Hajnoczi stefa...@gmail.com wrote:
[...]
read/write/flush should be either .bdrv_co_* or .bdrv_aio_*.
The current code pauses the guest while I/O is in progress! Try running
disk I/O benchmarks inside the guest and you'll see that performance and
On Mon, Mar 18, 2013 at 11:16 PM, Stefan Hajnoczi stefa...@gmail.com wrote:
[...]
I looked at the Google Code project before, it looks like a repo that
a few people are hacking on. The site is developer-focussed and there
is no evidence of users. This is why I asked about the background of
On Wed, Mar 20, 2013 at 6:04 PM, Stefan Hajnoczi stefa...@redhat.com wrote:
On Wed, Mar 20, 2013 at 04:43:17PM +0800, harryxiyou wrote:
On Mon, Mar 18, 2013 at 11:16 PM, Stefan Hajnoczi stefa...@gmail.com wrote:
[...]
I looked at the Google Code project before, it looks like a repo
From: Harry Wei harryxi...@gmail.com
HLFS is HDFS-based(Hadoop Distributed File System) Log-Structured File
System. Actually, HLFS, currently, is not a FS but a block-storage system,
which we simplify LFS to fit block-level storage. So you could also call HLFS
as HLBS (HDFS-based Log-Structured
From: Harry Wei harryxi...@gmail.com
HLFS is HDFS-based(Hadoop Distributed File System) Log-Structured File
System. Actually, HLFS, currently, is not a FS but a block-storage system,
which we simplify LFS to fit block-level storage. So you could also call HLFS
as HLBS (HDFS-based Log-Structured
On Mon, Mar 18, 2013 at 7:10 PM, Stefan Hajnoczi stefa...@gmail.com wrote:
Hi Stefan,
Is HLFS making releases that distros can package? I don't see packages
in Debian or Fedora.
We will make packages for Debian and Fedora.
Block drivers in qemu.git should have active and sustainable
From: Harry Wei harryxi...@gmail.com
HLFS is HDFS-based(Hadoop Distributed File System) Log-Structured File
System. Actually, HLFS, currently, is not a FS but a block-storage system,
which we simplify LFS to fit block-level storage. So you could also call HLFS
as HLBS (HDFS-based Log-Structured
On Tue, Mar 12, 2013 at 11:16 PM, Stefan Hajnoczi stefa...@gmail.com wrote:
On Tue, Mar 12, 2013 at 09:47:57PM +0800, harryxiyou wrote:
Could anyone give me some suggestions to submit HLFS driver patches for
QEMU to our QEMU community. Thanks a lot in advance ;-)
http://wiki.qemu.org
On Tue, Feb 12, 2013 at 5:21 AM, Stefan Hajnoczi stefa...@gmail.com wrote:
On Thu, Feb 7, 2013 at 4:19 PM, Stefan Hajnoczi stefa...@gmail.com wrote:
I believe Google will announce GSoC again this year (there is
no guarantee though) and I have created the wiki page so we can begin
organizing
On Thu, Feb 14, 2013 at 11:15 PM, Stefan Hajnoczi stefa...@gmail.com wrote:
[...]
Hi Harry,
Hi Stefan,
Thanks for your interest. You can begin thinking about ideas but
please keep in mind that we are still in the very early stages of GSoC
preparation.
Google will publish the list of
HI all :
I write a new block driver based on hdfs of hadoop, it need to
connect to hdfs when create step (called by bdrv_create in block.c) by
use libhdfs ( hdfs c++ api) 。
libhdfs use jni api to will create jvm . The problem is —— it
will cause sigsegv error when create jvm .
#0
On Fri, Feb 8, 2013 at 12:11 AM, Peter Maydell peter.mayd...@linaro.org wrote:
On 7 February 2013 16:08, Stefan Hajnoczi stefa...@gmail.com wrote:
On Thu, Feb 7, 2013 at 3:12 PM, harryxiyou harryxi...@gmail.com wrote:
The above debug info show jni will be used in coroutine. I do not
familay
On Sat, Feb 2, 2013 at 5:02 AM, Brian Jackson i...@theiggy.com wrote:
[...]
It probably gets stripped during the install process. Check 'file'
output on both and see.
This is a stupid mistake, which the latter one is *NOT* installed by
the first one. Jackson, thanks for your suggestions ;-)
--
Hi all,
I did following operations to install QEMU to my PC.
1. git clone git://git.qemu.org/qemu.git
2. cd qemu
3, git reset --hard v1.3.0
4, ./configure
5, make
6, sudo make install
After step 6, i did following jobs.
a: see size of qemu-img bin in qemu package
On Tue, Jan 29, 2013 at 12:05 AM, MORITA Kazutaka
morita.kazut...@gmail.com wrote:
At Mon, 28 Jan 2013 23:43:04 +0800,
harryxiyou wrote:
Following test is Libvirt v0.8.6, which you just add Sheepdog volume
patch to Libvirt.
The version doesn't support Sheepdog storage pool and volume
On Tue, Jan 29, 2013 at 8:55 PM, harryxiyou harryxi...@gmail.com wrote:
On Tue, Jan 29, 2013 at 12:05 AM, MORITA Kazutaka
morita.kazut...@gmail.com wrote:
At Mon, 28 Jan 2013 23:43:04 +0800,
harryxiyou wrote:
Following test is Libvirt v0.8.6, which you just add Sheepdog volume
patch
On Mon, Jan 28, 2013 at 10:44 PM, MORITA Kazutaka
morita.kazut...@gmail.com wrote:
[...]
I'm not familiar with HLFS at all. Sheepdog examples I explained to
you in another mail may help you, but I cannot give you any other
suggestions about HLFS.
Thanks for your reminder, i have found this
On Mon, Jan 28, 2013 at 11:06 PM, harryxiyou harryxi...@gmail.com wrote:
On Mon, Jan 28, 2013 at 10:44 PM, MORITA Kazutaka
morita.kazut...@gmail.com wrote:
[...]
I'm not familiar with HLFS at all. Sheepdog examples I explained to
you in another mail may help you, but I cannot give you any
On Mon, Jan 28, 2013 at 11:23 PM, harryxiyou harryxi...@gmail.com wrote:
On Mon, Jan 28, 2013 at 11:06 PM, harryxiyou harryxi...@gmail.com wrote:
On Mon, Jan 28, 2013 at 10:44 PM, MORITA Kazutaka
morita.kazut...@gmail.com wrote:
[...]
I'm not familiar with HLFS at all. Sheepdog examples I
Hi Daniel and other developers,
We have programed a HLFS(HDFS based Log-Structured FileSystem)
driver for QEMU, which you can see it here.
http://cloudxy.googlecode.com/svn/trunk/hlfs/patches/hlfs_driver_for_qemu_1.3.0.patch
And i have tested in QEMU environment, which works well for us.
Now, we
On Sat, Jan 19, 2013 at 10:04 PM, MORITA Kazutaka
morita.kazut...@gmail.com wrote:
[...]
If you do the above work, I think you can use your file system with
OpenStack.
But I suggest doing them step by step. If your file system is not
supported in QEMU, I think libvirt won't support it. If
Hi all,
We wanna add a block storage driver named HLFS to QEMU, which
now have to configure qemu/configure file to add following stuffs.
[...]
2828 ##
2829 # hlfs probe
2830 echo Entering HLFS probe...;
2831 sleep 2;
2832 if test $hlfs != no ; then
2833
Hi all,
We add new entries for qemu/configure(QEMU v1.3.0), which
can locate our libraries and header files to compile our driver
for QEMU. The new entries in qemu/configure are like following.
[...]
2828 ##
2829 # hlfs probe
2830 echo Entering HLFS
On Tue, Jan 22, 2013 at 6:14 PM, Stefan Hajnoczi stefa...@redhat.com wrote:
[...]
The fix is now in qemu.git/master.
Ok, thanks for your job.
--
Thanks
Harry Wei
On Tue, Jan 22, 2013 at 4:43 PM, harryxiyou harryxi...@gmail.com wrote:
Hi all,
We add new entries for qemu/configure(QEMU v1.3.0), which
can locate our libraries and header files to compile our driver
for QEMU. The new entries in qemu/configure are like following.
[...]
2828
Hi all,
When i debug our block driver in QEMU source codes, i cannot
find the debug logs for QEMU. I have searched /var/log/messages
and /var/log/dmesg but i cannot find debug logs.
Could anyone tell me how to find debug logs? Thanks in advance ;-)
--
Thanks
Harry Wei
On Wed, Jan 23, 2013 at 12:58 AM, Brendan Dolan-Gavitt
brenda...@gatech.edu wrote:
Assuming you're using one of the -d options to qemu, they will by
default go into /tmp/qemu.log.
How to add -d options to qemu.(Configure qemu/configure or Makefile?)
You can also specify where to put the debug
On Wed, Jan 23, 2013 at 2:12 AM, Brendan Dolan-Gavitt
brenda...@gatech.edu wrote:
These are runtime options to QEMU. For example: qemu-system-x86_64 -D
~/qemu_debug.log -d in_asm.
Ok, i will have a try. Thanks very much.
Or are you trying to add *new* debugging statements to QEMU? If so,
On Mon, Jan 21, 2013 at 5:07 PM, Andreas Färber afaer...@suse.de wrote:
Hi,
Hi Andreas,
There's a patch queued on qemu-trivial:
http://patchwork.ozlabs.org/patch/213610/
Would be nice to get this applied soon, it looks annoying but is not to
worry about.
I see, thanks for your help ;-)
On Tue, Jan 22, 2013 at 12:49 AM, Stefan Hajnoczi stefa...@gmail.com wrote:
[...]
qemu-devel is not the appropriate place to ask for help with hlfs. The
hlfs patch is not part of qemu.git. Try emailing Kang Hua and Wang Sen
directly.
Hmmm..., you are right.
The error message indicates that
On Tue, Jan 22, 2013 at 1:14 AM, harryxiyou harryxi...@gmail.com wrote:
On Tue, Jan 22, 2013 at 12:49 AM, Stefan Hajnoczi stefa...@gmail.com wrote:
[...]
qemu-devel is not the appropriate place to ask for help with hlfs. The
hlfs patch is not part of qemu.git. Try emailing Kang Hua and Wang
Hi all,
We programmed a block storage(HLFS) patch for QEMU. Therefore,
when i patched this driver for QEMU, it happened to me some errors.
Could anyone give me some suggestions, thanks in advance ;-)
You can see this issue i described in details from
Hi all,
I wanna add a new block storage driver by Libvirt/Qemu way for Openstack, which
is as same as Sheepdog driver for Openstack. So i think the theories
are like this.
1, In the Openstack Nova branch, Openstck driver call libvirt client
and send parameters
to libvirt client.(From this point,
On Sat, Jan 19, 2013 at 10:04 PM, MORITA Kazutaka
morita.kazut...@gmail.com wrote:
At Sat, 19 Jan 2013 16:47:37 +0800,
[...]
If you do the above work, I think you can use your file system with
OpenStack.
Thanks for your review ;-)
But I suggest doing them step by step. If your file system
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