search for: dom1

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2006 Aug 11
7
How Xen handles Dom1 interrupts?
Good morning, I am new to Xen, and trying to understand how Xen works. I have some questions about virtualization of interrupts on Xen. Thanks in advance for all helps. 1) From papers about Xen architecture found at Xen homepage, Xen seemingly intercepts interrupts of Dom1 (paravirtualization). So interrupts occur in Dom1''s context are sent to Xen, and Xen handles them. Is that correct? But then how can Dom1 gets the interrupts? For example if int3 occurs inside Dom1, Xen intercepts int3, but then how debugger (like gdb) can still work in Dom1? Maybe Xen se...
2010 Nov 05
2
How to install an Ubuntu DomU on Ubuntu 10.04 Dom0
Hi, I''m a newbie in VM/Xen. As a first step to do some study/experiment on VM, I want to install Ubutnu (10.04) as DomU on top of Ubutu (10.04) Dom0. I need some direction to stat with: - how to install the DomU image - how to configure the network address I''d be greatly thankful to you for providing some useful link to this end. Thank you in advance. Regards, -shopno
2007 Nov 21
9
How to virtualize Xen itself?
Hello, Is it possible to run a Xen server inside of a kqemu/kvm/virtualbox VM? I am new to Xen, and Linux in general. (Just installed Ubuntu 7.10 on my main laptop) The idea would be to try and learn about Xen before attempting to deploy on real HW. -- Thanks P.S. I do have an Intel VT capable CPU, if that matters. --------------------------------- Never miss a thing.
2007 Nov 21
9
How to virtualize Xen itself?
Hello, Is it possible to run a Xen server inside of a kqemu/kvm/virtualbox VM? I am new to Xen, and Linux in general. (Just installed Ubuntu 7.10 on my main laptop) The idea would be to try and learn about Xen before attempting to deploy on real HW. -- Thanks P.S. I do have an Intel VT capable CPU, if that matters. --------------------------------- Never miss a thing.
2011 Feb 27
3
Xen network-route : mix Public and Private IP on a Front-Back architecture
...everyone, I need your help. I would like to create a front-back architecture with Xen. My physical server has only one public Interface. Currently, my DOM0 is using the network-route configuration: *(network-script ''network-route netdev=eth0'') (vif-script vif-route)* My DOM1 is configured with a public IP + proxy_arp with DOM0. DOM1 can connect any address on Internet and is accessible from Internet too. Now i would like to add a private IP address on DOM1 in order to comunicate with DOM2, 3 and 4 who is configured with just a private IP address....
2015 Jun 01
2
Dovecot 2.2.16: disappearing messages, mismatched summaries, duplicated messages, excessive full re-downloads
Il 20/05/2015 10:44, David Gessel ha scritto: > Is there a way to completely disable caching on dovecot? Yes: mail_location = maildir:~/Maildir:INDEX=MEMORY -- Alessio Cecchi http://www.linkedin.com/in/alessice
2010 May 14
2
ethernet outages C5.4
Hello All, I don't have any reason to believe CENTOS (5.4) is underlying my difficulties but it's what I've got to work with so here's the setup: I have a 2P motherboard with 2 Opteron 2376s and two ethernet ports. The setup is fully virtualized, with Dom0, dom4 and Dom1 up and running. dom4 is attached to a dhcp service on eth0 and has no problems. I've recently connected dom1 to eth1. eth1 is connected to a dsl modem (no router) and to the ISP's dsl signal It has a static IP address, 204.174.35.205. At intervals of a few hours the dom1 service on e...
2014 Mar 31
1
SSH_PRIVSEP_USER configurable at runtime?
...e /etc/passwd and /etc/group files. Rather, the Windows account databases (SAM and AD)are asked directly for account information, and UID/GID values as well as usernames are dynamic. For instance, assuming you have a domain member machine MACH103, which is member of the domain DOM1. Assuming the machine as well as DOM1 and another dmain, DOM2, all have a user called "sshd", the automatically generated Cygwin usernames will be MACH103+sshd for the local account sshd for the account in domain DOM1 DOM2+sshd for the account in domain DOM2...
2007 Sep 19
2
shared cpu resources
Hi all! I have a doubt about shared resources: If I have a Dom-0 and two virtual machines Dom1 and Dom2, how can I split cpu resources? I mean how can I assign exactly 25% of cpu to Dom1 and 75% of cpu to Dom1? (I assume that Dom-0 uses 0% of cpu). Can I also choose which is the virtual machine I assign the disk I/O speed? Thanks very much! Marco ____________________________________...
2008 May 29
6
is it possible to build two privileged domain at boot time?
Hi All, I am not very familiar with xen details. Now I am thinking of building two privilged domain(domain 0 not driver domain) at boot time. The other question is that wether it is possible to create another domain 0 by domain-builder running in domain0? Does it make sense when domain 0 is shut down unexpectedly another domain 0 can run at once. Maybe it is absurd. I am looking forwards
2005 Jun 22
5
network (NAT?) problem
Hello, my current network setup looks like the following: dom2-eth0 (172.30.1.22) netmask /24 | | xen-br1 (no ip) | dom1-eth0 (172.30.1.21) netmask /24 dom1-eth1 (172.30.0.21) netmask /24 | | xen-br10 (172.30.0.1) netmask /24 | dom0 | | xen-br0 (normal IP) | eth0 (same IP as xen-br0) | | LAN Basically I want to route...
2008 Jan 31
2
Missing packets on Dom0 when sniffing bridge with wireshark/tethreal
Hi, I have a Centos5 machine running xen 3.0.3-41 with two NICs each on its own subnet: 192.168.1.x and 192.168.0.x. All DomUs can talk to each other OK through two xen bridges. There are 3 DomUs: Dom0, Dom1 and Dom2 The scenario: I''m trying to capture packets on Dom2 on 192.168.0.x from external devices that are sending SIP stuff to Dom1, but fail to capture any packets. I can only capture them if I run tethereal on Dom1. I''m setting the interface to collect in promiscuous mo...
2015 Jun 16
2
Dovecot 2.2.16: disappearing messages, mismatched summaries, duplicated messages, excessive full re-downloads
...The best evidence: At 10:00:00-ish I made the change in the config file and at 10:02:29 I restarted the server. It is now after 17:14 in Oakland and the logs are quiet. 09:00:06 host newsyslog[55292]: logfile turned over due to size>1000K 09:00:08 imap(user1): Warning: Maildir /mail/dom1.com/user1/: Expunged message reappeared, giving a new UID (old uid=3558585, file=1434383291.M430136P55004.host,S=2380,W=2423:2,) 09:00:08 imap(user1): Warning: Maildir /mail/dom1.com/user1/: Expunged message reappeared, giving a new UID (old uid=3558586, file=1434383253.M12...
2005 Sep 06
2
network probs trying to get nfs root to work
Hi. trying to get a domU (dom1) up using nfs root. never done this before ;-). I have dom0 up (2.6.12-xen0) and i have an external nfs server with a nice root disk populated. i get this after xm create -c dom1 vmid=1 . . . IP-Config: Complete: device=eth0, addr=172.31.205.229, mask=255.255.255.0, gw=172.31.205.2,...
2013 Aug 30
1
libvirt-qemu/kvm passthru w/Intel 82598EB
Hi, I am trying to configure two identical systems with the following setup. dom0: Centos 6 OS on Apple Xserve i7 server with PCI cards for 4GB FC (LSI FC949ES) and 10GB Ethernet (Intel 82598EB) dom1: Centos 5 OS with passthru mode of PCI 4GB FC and 10GB Ethernet (ixgbe and mptfc blacklisted in dom0) Everything starts ok, but networking in dom1 using the 10GB interface has extremely high rtt w/ping tests (20-30ms avg). I've tried a few tweaks I've discovered via googling, but not...
2010 Jan 21
0
Setting an interface on domu to receive all traffic for the host machine
Hi, I am new to xen and needed some help doing a networking setup on xen. I am using a Centos host with the xen modules installed. I have created a dom1 which contains another centos machine. I want the interface eth1 of dom1 to receive all traffic that is seen for eth0 on the physical machine. The interfaces of dom1 are bridged to xenbr0. I have set eth1 to promiscuous mode on dom1. On doing an ifconfig on the host machine I find all interfaces on...
2011 Feb 18
1
VF passthrough problems
...not sharing with EPT table xenbus dev backend/vbd/1/5696 error 6 opening device (XEN) PCI add Virtual Function 04:1a.0 (XEN) HVM1: HVM Loader (XEN) HVM1: Detected Xen v4.1.0.rc2.pre (XEN) HVM1: CPU speed is 2660 MHz (XEN) HVM1: Xenbus rings @0xfeffc000, event channel 2 (XEN) irq.c:258: Dom1 PCI link 0 changed 0 -> 5 (XEN) HVM1: PCI-ISA link 0 routed to IRQ5 (XEN) irq.c:258: Dom1 PCI link 1 changed 0 -> 10 (XEN) HVM1: PCI-ISA link 1 routed to IRQ10 (XEN) irq.c:258: Dom1 PCI link 2 changed 0 -> 11 (XEN) HVM1: PCI-ISA link 2 routed to IRQ11 (XEN) irq.c:258: Dom1 PCI link 3 chang...
2010 Nov 30
1
Create VMWare ESXi domain via virsh error(error: this function is not supported by the connection driver: virDomainCreateXML)
...SE-release openSUSE 11.3 (i586) VERSION = 11.3 virsh # version Compiled against library: libvir 0.8.5 Using library: libvir 0.8.5 Using API: ESX 0.8.5 Running hypervisor: ESX 4.1.0 *question 1 : * When I try to create a vmware esxi domain from virsh like this : create --file /work/dom1.x there is a error message : error: Failed to create domain from /work/dom1.xml error: this function is not supported by the connection driver: virDomainCreateXML it seems dosen't support create esxi domain, but the http://libvirt.org/hvsupport.html show that...
2007 Apr 03
0
Help, I''ve installed RHEL5 and tried to create one dom and all of the defaults are not working
...el5xen (brewbuilder@ls20-bc1-13.build.redhat.com) (gcc version 4.1.1 20070105 (Red Hat 4.1.1-52)) #1 SMP Mon Feb 26 20:51:53 EST 2007 I updated all of the RPMs # yum update . stuff . No Packages marked for Update/Obsoletion I updated the /etc/xen/xmexample into a new file dom1 # -*- mode: python; -*- kernel = "/boot/vmlinuz-2.6.18-8.1.1.el5xen" memory = 64 name = "dom1" vif = [ '''' ] disk = [ ''phy:hda1,hda1,w'' ] root = "/dev/hda1 ro" extra = "4" I updated the DevContro...
2004 Jan 29
1
Share File Server Question?
Hi, There is my network. =09 _____ Subnet:192.168.2.0 / \ Subnet: 192.168.1.0 Domain:DOM1=09without PDC | Swap |Domain: DOM2 with PDC <---------------------- \_____/ ---------------------> =09 I want to setup the machine(swap) for sharing file. The file on swap can read/write by the member of the DOM2 and= read only by the member of the DOM1. The DOM1 includes win2k &am...