Displaying 20 results from an estimated 20000 matches similar to: "streaming server on a virtual machine."
2009 Jun 18
12
Best way to use iSCSI in domU
Hello,
We need to use iSCSI in some of our domUs. By the moment, iSCSI is not
for system filesystem, but for data filesystem.
I am wondering what is the best way to use it. Is it better to
configure it in dom0 and then attach the device to the domU? Or is it
better to configure it directly in the domU?
I am thinking that if we configure it in the dom0, then we can''t share
that iscsi
2011 Feb 10
7
upgrade leny-squeeze, xen3.2-xen4.0, what''s wrong?
I am running a Debian Squeeze Xen 4.0.1 Hypervisor and 2.6.32-5-xen-amd64 dom0.
My xen-tools.conf:
lvm = vg00
size = 100Gb # Disk image size.
memory = 2048Mb # Memory size
swap = 2G # Swap size
# noswap = 1 # Don''t use swap at all for the new system.
fs = ext4 # use the EXT3 filesystem for the disk image.
dist = `xt-guess-suite-and-mirror --suite` # Default
2009 Jul 21
2
Best Practices for PV Disk IO?
I was wondering if anyone''s compiled a list of places to look to
reduce Disk IO Latency for Xen PV DomUs. I''ve gotten reasonably
acceptable performance from my setup (Dom0 as a iSCSI initiator,
providing phy volumes to DomUs), at about 45MB/sec writes, and
80MB/sec reads (this is to a IET target running in blockio mode).
As always, reducing latency for small disk operations
2011 Feb 06
20
debian squeeze released.
Do you know if squeeze has xen support?
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2010 Oct 14
12
best practices in using shared storage for XEN Virtual Machines and auto-failover?
Hi all,
Can anyone pleas tell me what would be best practice to use shared
storage with virtual machines, especially when it involved high
availability / automated failover between 2 XEN servers?
i.e. if I setup 2x identical XEN servers, each with say 16GB RAM, 4x
1GB NIC''s, etc. Then I need the xen domU''s to auto failover between
the 2 servers if either goes down (hardware
2010 May 05
2
domU shutdown when dom0 shutsdown/reboots
Hi,
I''m having some issues with having my domUs shutdown gracefully when
my dom0 reboots.
Heres my config.sxp.
--- snippet ---
(actions_after_crash restart)
(actions_after_shutdown preserve)
(auto_power_on False)
(actions_after_reboot restart)
(on_crash restart)
(on_poweroff destroy)
(on_reboot restart)
(on_xend_start start)
(on_xend_stop shutdown)
___________
When I reboot my
2009 Jan 17
25
GPLPV network performance
Just reporting some iperf results. In each case, Dom0 is iperf server,
DomU is iperf client:
(1) Dom0: Intel Core2 3.16 GHz, CentOS 5.2, xen 3.0.3.
DomU: Windows XP SP3, GPLPV 0.9.12-pre13, file based.
Iperf: 1.17 Gbits/sec
(2) Dom0: Intel Core2 2.33 GHz, CentOS 5.2, xen 3.0.3.
DomU: Windows XP SP3, GPLPV 0.9.12-pre13, file based.
Iperf: 725 Mbits/sec
(3) Dom0: Intel Core2 2.33 GHz,
2008 Nov 20
27
lenny amd64 and xen.
I''ve installed debian lenny amd64, it is frozen now.
I''ve install kernel for xen support but it doesn''t start.
It says "you need to load kernel first" but I''ve installed all the packages
concerning xen, also packages related to the kernel.
Perhaps lenny doesn''t support xen anymore?
Any solution?
2010 Dec 25
6
undefined local variable or method?
I have:
<%= form_for(@supplier) do |f| %>
.......
......
<%= render ''sector_categories'', :locals => {:f => f} %>
in _sector_categories partial I have:
<div class="field">
<div id="category_update">
<% for category in @categories %>
<%= f.check_box :category_ids[], category.id,
2012 Nov 26
8
why functional test does not get failure?
The test:
test "should get new" do
get :new, :room_id => @room.name
assert_template(:ne)
end
the template new does not exists but the test does not get failure.
Why?
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2011 Jun 15
5
rails 3.0.9
Today was expected the new stable rails release 3.0.9 with some fixed,
among all the problem with escape_javascript.
It seems that it see that has not been released, unfortunately.
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2008 Dec 11
5
Xen virtual interface settings
I''ve been mucking with xen for quite a while but recently started focusing
on custom network setups. I''d like to be able to create VMs on the fly from
a base image and set network settings in each without booting the image up.
This strange setup is for a classroom environment. At the beginning of the
quarter the instructor would run a script that creates all the
2011 Jan 08
9
options_for_select.
Even reading the documentation I can not figure out what is the
select_tag difference between this:
<% = select_tag (bags [], "options_for_select (bags.collect @ {| bb |
[bb.bag_type, bb.id]},
ruser.bags.collect @ {| ub | ub.id}), {: multiple => true,: id =>
"bags"})%>
and this:
<% = select_tag "bags [], " options_for_select (bags.collect @ {| bb
2012 May 10
6
Is it suitable using STI?
I have problems on a simple design problem.
I have many companies. Each company have one or more commercial activity.
Activities types are: ecommerce, local unit, television, automatic
vending machines, and so on.
Company may have one or more ecommerce activity or one or more local
unit activity, one ormore vending machines, etc.
How can I model this scenario?
Company has_many ecommerce has_many
2009 Sep 10
22
Xen and Enomaly
Hi list,
Right now I''ve to find some graphic (or web!) interface to administrate
our new data center infrastructure who will be running over Xen.
I''ve been googling around to find something, and looks like Enomaly is a
good choice.
Can anybody give me some feedback about this? Or maybe recommend another
front-end interface?
Thanks in advance.
Boris.
2011 Feb 22
6
how to optimize CentOS XEN dom0?
Hi,
I have a problematic CentOS XEN server and hope someone could point me
in the right direction to optimize it a bit.
The server runs on a Core2Quad 9300, with 8GB RAM (max motherboard can
take, 1U chassis) on an Intel motherboard with a 1TB SATA HDD.
dom0 is set to 512MB limit with a few small XEM VM''s running:
root@zaxen01:[~]$ xm list
Name ID
2011 Jun 19
10
validates_numercality_of with allow_nil.
In the model I have:
validates :square_meters_public_land, :barrier_meters, :numericality
=> { :greater_than_or_equal_to => 0 }, :allow_nil => true
but if, in the field, on create, I don''t insert a value I have the
error "field is not a number".
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2011 Sep 26
2
how to convert from xen .cfg files to libvirt xml?
I have a .cfg configuration file for a xen virtual machine.
I need to convert it in xml format to use with libvirt.
So I run virsh domxml-from-native xen-xm backupsrv.cfg but I have an error:
error: Unknown failure.
How can I investigate about the error?
2011 Jan 11
9
Can I omit respond_with.
If I don''t want xml results but only html can I omit respond_with in
some actions?
For example index from:
respond_with(@sectors = Sector.all)
becomes only
@sectors = Sector.all
isn''t it?
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2009 Apr 15
6
where is the kernel?
Sorry for my ignorance but....I''ve installed a debian lenny dom0 with
a xen kernel, then I''ve configured two domX.
I''ve noticed that there isn''t a kernel installed for these ones.
I run aptitude to update packages, I''ve updatede the dom0 kernel
but....the others?
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