[CentOS] xen

If i will use nat on a xen vm what should i set in the config file? ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

[CentOS] XEN

I have a fairly high disk i/o intensive email server I am thinking of upgrading. I was thinking of upgrading it to CentOS 5.x 64bit. I was also thinking of running it as a guest under XEN. Would this allow me to more easilly transfer it to faster hardware in the future? Or would running as a gu

Re: [CentOS] xen

> If i will use nat on a xen vm what should i set in the config file? http://wiki.kartbuilding.net/index.php/Xen_Networking#Routed_Networking_with_NAT_2 HTH, Timo ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] xen

´>> If i will use nat on a xen vm what should i set in the config file? > > http://wiki.kartbuilding.net/index.php/Xen_Networking#Routed_Networking_with_NAT_2 > > HTH, > > Timo Sorry, I sent the Debian-side of life off my wiki. There's CentOS-style stuff e.g. here: http://www.nikhef.nl/pub/proje

Re: [CentOS] XEN

Quoting Matt : > I have a fairly high disk i/o intensive email server I am thinking of > upgrading. I was thinking of upgrading it to CentOS 5.x 64bit. I was > also thinking of running it as a guest under XEN. Would this allow me > to more easilly transfer it to faster hardware in the future?

Re: [CentOS] XEN

>Would this allow me >to more easilly transfer it to faster hardware in the future? Sure. >Or would running as a guest seriously hurt disk i/o? Depends on what you use for IO :) It's not impossible to replace the physical iron with a virtualized iron and config that's faster. What do you have a

[CentOS] xen dependencies

It appears that if I perform an install of CentOS 5.1 without changing *anything* in the options, then do a #yum groupinstall 'Virtualization' I can now get Xen to function in bridged mode (it has network connectivity). In lieu of this, can anyone shed some light on what dependency Xen has that

[CentOS] Xen Install

http://wiki.centos.org/HowTos/Xen/InstallingCentOSDomU In reading that How To, will using the GUI Configuration Tools create all the files need to run a "DomU". Will I have manual edit any configuration files? Next question is the machine has 256MBs of ram and Dom0 uses about 225MBs of it. Is tha

[CentOS] Xen crash

Hi, I'm new to this list and joined since I am volunteering as a tech admin for a non profit organization called CouchSurfing (.com) where we tried to move the web servers to Xen zones and this has proven quite unstable since the our defined zones tends to crash on a daily basis with the latest Ce

[CentOS] Xen crashes?

Is anyone else having problem with Xen Crashes or can provide hints why this happens? I can resolve it by restarting /etc/init.d/xendomains but I'm curios why it happens, the machine is running 64bit Centos 5, 16GB memory. I have some other programs reporting exhausted shared memory so maybe thats

[CentOS] Xen tools

I have been playing around with Citrix XenServer Express. It seems pretty cool, and mostly meets my needs, except that the Express (Free) version only supports up to 4GB of RAM. I have 8GB on my machines. Since XenServer is based on Xen, I should be able to just install a base install of Cent

[CentOS] xen domU crash

Hello all, >From time to time (more often lately) all xen guests crash with all process to % CPU load. All VM running with Fedora 8 OS (PV VM). On host (dual socket Xeon Nocona R0 3GHz) run CentOS x86_64 with hypervisor Xen 3.4.0 Have some similar experiences? Any ideas?

[CentOS] xen backup script

hello, I have a couple of longish commands that I run to backup my network of xen hosts. I would like to cron this, but am having trouble issuing the same command the second time to the second xen host: [r...@lcent01 ~]# ssh sum2 'for i in `virsh list | grep -v -e Id -e --- -e "Domain-0"| awk

[CentOS] XEN and RAID

Hello, I am looking for good website with information on the above 2 items listed in the subject. I have place some with RAID and believe I am picking that up but XEN is another story. I have some free time coming and would really like to learn both and build my present machine into a VM with

[CentOS] Xen stack scheme

I need to restructure my server farm from tower PC:s to a minimal amount of 1U rack servers. I am going to rely on xen virtualization, as KVM seems not to be very mature yet. My current problem is the mail server, which uses a lot of CPU and I/O. A dedicated machine would be the best option. Bu

[CentOS] xen and hwclock

Hello All, I have a problem with hwclock on centos 5.3. in xen guest environment. # hwclock --debug hwclock from util-linux-2.13-pre7 hwclock: Open of /dev/rtc failed, errno=19: No such device. No usable clock interface found. Cannot access the Hardware Clock via any known method. So, I'm afr

[CentOS] xen and hwclock

On Thu, 23 Apr 2009, Ugo Bellavance wrote: > Mintairov Mihail a écrit : >> Hello All, I have a problem with hwclock on centos 5.3. in xen guest >> environment. >> # hwclock --debug >> hwclock from util-linux-2.13-pre7 >> hwclock: Open of /dev/rtc failed, errno=19: No such device. >> No usable clo

[CentOS] XEN and PCIPassthru

I have an old windows NT machine, that I would like to virtualize under CentOS and xen. The problem is, that the machine has an old PCI card that is used for some sensor control. I tried to google the topic, but there isn't any useful tutorial, how to do this under CentOS. What I found out is, tha

[CentOS] Xen cpu requirements

I'm installing Centos 5.5 on a new Dell R301 server. I wanted to run Xen and have the full virtualization possibilities (this is our development support server, so it runs a few real services and is available for playing with things; putting the "playing with things" functions into virtual servers

[CentOS] Xen cpu requirements

On Wed, 14 Jul 2010, David Dyer-Bennet wrote: >> That's the entry. But reports are some systems need to be >> fully powered off for the entry to be effectively changed - >> some BIOSes evidently are flakey about it. > > Now *there's* something I wouldn't have thought of trying on my own. > > Oka

[CentOS] Xen cpu requirements

On Wed, 14 Jul 2010, David Dyer-Bennet wrote: >> continues to issue them while it remains in support, >> particularly for the PowerEdge series > > This is a brand-new R310, received from Dell and installed this week. > Which doesn't mean it's for sure at the latest BIOS level of course. * chuckle

Re: [CentOS] xen dependencies

Just install xen en kernel-xen. That should be sufficient. Possibly you can add virsh,if it's not allready there. Groupinstall virtualization also installs the GUI-tools (and possibly also a GUI). Cheers, Bart Joseph L. Casale wrote: It appears that if I perform an install of CentOS 5.1 wi

RE: [CentOS] xen dependencies

>Just install xen en kernel-xen. That should be sufficient. Possibly you >can add virsh,if it's not allready there. > >Groupinstall virtualization also installs the GUI-tools (and possibly >also a GUI). > >Cheers, > >Bart Yes, I follow this exact suggestion and can repeatedly produce the same resu

Re: [CentOS] xen dependencies

On Sat, 29 Dec 2007 07:49:37 -0700 > >Groupinstall virtualization also installs the GUI-tools (and possibly > >also a GUI). This sort of a question really should goto the CentOS-Virt list. -- Karanbir Singh : http://www.karan.org/ : [EMAIL PROTECTED] ___

Re: [CentOS] xen dependencies

Karanbir Singh wrote: This sort of a question really should goto the CentOS-Virt list. It does not appear at www.centos.org>support>mailing lists. Google "CentOS-Virt" found it for me :). maybe the page needs to be updated? thanks. _

Re: [CentOS] xen dependencies

Raghavendra Moktali wrote: Karanbir Singh wrote: This sort of a question really should goto the CentOS-Virt list. It does not appear at www.centos.org>support>mailing lists. Google "CentOS-Virt" found it for me :). maybe the page ne

Re: [CentOS] xen dependencies

On Fri, 2007-12-28 at 23:03 -0700, Joseph L. Casale wrote: > It appears that if I perform an install of CentOS 5.1 without changing > *anything* in the options, then do a #yum groupinstall 'Virtualization' I can > now get Xen to function in bridged mode (it has network connectivity). In > lieu o

RE: [CentOS] xen dependencies

>In your "broken" setup, do you have libvirt and/or bridge-utils? > > >--Tim Tim, Yes it does. I think I am seeing the issue reported in a previous errata regarding Bugzilla Bug 237667 in RHEL for a now released fix in the current Xen rpm available. I have this exact behavior, and after many di

[CentOS] Xen clock drift

Hello All, Consider a CentOS-5.1 Xen server (2.6.18-53.1.4.el5xen) hosting two domains running CentOS-5.1 (2.6.18-53.1.4.el5). One domain has a fairly accurate clock, the other domain has a clock that gains ungodly amounts of time, roughly one minute every two or three minutes. For a fix, on

Re: [CentOS] Xen Install

On Sat, Mar 29, 2008 at 4:36 AM, John <[EMAIL PROTECTED]> wrote: > http://wiki.centos.org/HowTos/Xen/InstallingCentOSDomU In reading that > How To, will using the GUI Configuration Tools create all the files need > to run a "DomU". Will I have manual edit any configuration files? Yes, you can u

Re: [CentOS] Xen Install

On Sat, 2008-03-29 at 13:21 +0100, Daniel de Kok wrote: > On Sat, Mar 29, 2008 at 4:36 AM, John <[EMAIL PROTECTED]> wrote: > > http://wiki.centos.org/HowTos/Xen/InstallingCentOSDomU In reading that > > How To, will using the GUI Configuration Tools create all the files need > > to run a "DomU".

[CentOS] xen and atl1

Hello list, did someone have a similar issue like I have? -> Bought an AMD X2 3600+ and an Asus M2V (with Attansic L1 Gigabit Ethernet Adapter). Installed Centos 5 64_x86 and build atl1 from this source -> http://www.hogchain.net/attansic/AtL1Linux_v1.0.41.0.tar.gz After an insmod atl1 Centos say

[CentOS] XEN - Guest WINXP

Dear Friends, I installed CENTOS 5.0 with XEN (kernel) on Pentium III Celeron 1.2 Ghz, and I would like install WINXP for virtualization. But I don't work, I configurated virtual machine but don't start, Are There how to about it ? Thanks Adriano __

[CentOS] XEN virtualization Problem

Hi, I am trying to install windows XP on XEN. The Base operating system is Centos 5.1 I used GUI tool Virtual Manager. Once this Virtual manager is started is connected the XEN and QEMU. i used new tab placed below to install a virtual OS ( ex. Winxp.) after passing through th

[CentOS] xen and nvidia

has anyone had any luck getting nvidia to work with the latest xen kernel under x86_64? I found an unsupported method involving IGNORE_XEN_PRESENCE [1], but it doesn't work for me. Everything google turns up seems to be a year old. prob nothing has changed but I just wonder. [1] http://www.nvne

Re: [CentOS] XEN and RAID

On Thu, Oct 21, 2010 at 8:51 PM, Robert Spangler wrote: > Hello, > > I am looking for good website with information on the above 2 items listed in > the subject.  I have place some with RAID and believe I am picking that up > but XEN is another story.  I have some free time coming and would really

Re: [CentOS] Xen stack scheme

> I need to restructure my server farm from tower PC:s to a minimal amount > of 1U rack servers. I am going to rely on xen virtualization, as KVM > seems not to be very mature yet. > > My current problem is the mail server, which uses a lot of CPU and I/O. > A dedicated machine would be the best op

Re: [CentOS] Xen stack scheme

On 4.3.2011 10.52, Simon Matter wrote: > I don't know if it's recommended that way but at least it works fine. Hm, that is kind of the only important thing. :-) If it is not recommended, there have to be better reasons for that than mere tidiness. - Jussi ___

Re: [CentOS] Xen stack scheme

On Fri, Mar 04, 2011 at 11:11:52AM +0200, Jussi Hirvi wrote: > On 4.3.2011 10.52, Simon Matter wrote: > > I don't know if it's recommended that way but at least it works fine. > > Hm, that is kind of the only important thing. :-) > > If it is not recommended, there have to be better reasons for t

Re: [CentOS] Xen stack scheme

On Fri, Mar 04, 2011 at 11:37:08AM +0200, Pasi Kärkkäinen wrote: > On Fri, Mar 04, 2011 at 11:11:52AM +0200, Jussi Hirvi wrote: > > On 4.3.2011 10.52, Simon Matter wrote: > > > I don't know if it's recommended that way but at least it works fine. > > > > Hm, that is kind of the only important thin

Re: [CentOS] Xen stack scheme

On Fri, 4 Mar 2011, Jussi Hirvi wrote: > I need to restructure my server farm from tower PC:s to a minimal > amount of 1U rack servers. I am going to rely on xen virtualization, > as KVM seems not to be very mature yet. What part of KVM seems immature to you? I deploy public-facing machines us

Re: [CentOS] Xen stack scheme

>What part of KVM seems immature to you? I deploy public-facing >machines using both it and Xen, and I can't really speak to any >difference in performance or small-scall management. I like kvm - no issues ___ CentOS mailing list CentOS@centos.org http

Re: [CentOS] xen and hwclock

Mintairov Mihail a écrit : > Hello All, I have a problem with hwclock on centos 5.3. in xen guest > environment. > > # hwclock --debug > hwclock from util-linux-2.13-pre7 > hwclock: Open of /dev/rtc failed, errno=19: No such device. > No usable clock interface found. > Cannot access the Hardware

Re: [CentOS] xen and hwclock

Ugo Bellavance wrote: > Maybe the clock is sync'd with the host? Correct, and it's even done automatically. Just run NTP on the dom0 and all domUs will have the correct time. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/li

Re: [CentOS] xen and hwclock

On Thu, Apr 23, 2009 at 8:05 PM, Richard Foltyn wrote: > Ugo Bellavance wrote: > >> Maybe the clock is sync'd with the host? > > Correct, and it's even done automatically. > > Just run NTP on the dom0 and all domUs will have the correct time. > > ___ > C

Re: [CentOS] xen and hwclock

>> >>> Maybe the clock is sync'd with the host? >> >> Correct, and it's even done automatically. >> >> Just run NTP on the dom0 and all domUs will have the correct time. >> >Indeed. >I usually replace /sbin/hwlcock with an empty shell script on domUs. Thanks all for the help. __

[CentOS] xen kernel can't boot

I had installed the kernel-xen-2.6.18-128.1.10.el5 .However ,when i chosed that,the system could't boot.It just always reboot!When i chosed the kernel-2.6.18-128.1.10.el5,there was nothing wrong! What's the problem? ___ CentOS mailing list CentOS@cento

Re: [CentOS] XEN and PCIPassthru

On Fri, Sep 18, 2009 at 11:51 AM, janezkosmr wrote: > > I have an old windows NT machine, that I would like to virtualize under > CentOS and xen. The problem is, that the machine has an old PCI card that > is used for some sensor control. I tried to google the topic, but there > isn't any useful t

[CentOS] xen domu not starting

After running out of swap and memory and freezing, a domU called web02 won't start up. Both dom0 and domU are running CentOS release 5.4. dom0's kernel is 2.6.18-164.el5xen and I'm running the stock xen from CentOS: xen-3.0.3-94.el5 After issuing 'xen create web02' I see

[CentOS] Xen DomU console connection

Dom0 OS=CentOS-5.2_X86_64 Dom1 OS=CentOS-5.2_X86_64 I have a desktop machine running the xen kernel, Dom0. I have created a virtual machine on that host, Dom1. From my console session on Dom0 I can open a GUI console for Dom1 but I cannot resize the actual screen area. I can make the virtual con

[CentOS] xen on CentOS 4.7

Hi - has anyone gotten Xen on CentOS 4.7 to run successfully using Windows XP as the guest OS? I tried VirtualBox but it doesn't appear to work (at least for Windows XP) for a CentOS 4.7 on a Dell Precision WorkStation 390 (quad.) In fact, it pretty easy to crash the machine using the command li

Re: [CentOS] Xen cpu requirements

On Wed, 14 Jul 2010 12:32:12 -0500 "David Dyer-Bennet" wrote: > I'm installing Centos 5.5 on a new Dell R301 server. I wanted to run Xen > and have the full virtualization possibilities (this is our development > support server, so it runs a few real services and is available for > playing with

Re: [CentOS] Xen cpu requirements

On Wed, Jul 14, 2010 at 12:32:12PM -0500, David Dyer-Bennet wrote: > I'm installing Centos 5.5 on a new Dell R301 server. I wanted to run Xen > and have the full virtualization possibilities (this is our development > support server, so it runs a few real services and is available for > playing wi

Re: [CentOS] Xen cpu requirements

On Wed, 2010-07-14 at 12:32 -0500, David Dyer-Bennet wrote: > X3450 Shutdown the machine pull the power cord (s) completly. Let it sit a while plug her back up and they should show now. John ___ CentOS mailing list CentOS@centos.org http://lists.cent

Re: [CentOS] Xen cpu requirements

On Wed, Jul 14, 2010 at 1:49 PM, Dominik Zyla wrote: > On Wed, Jul 14, 2010 at 12:32:12PM -0500, David Dyer-Bennet wrote: >> I'm installing Centos 5.5 on a new Dell R301 server.  I wanted to run Xen >> and have the full virtualization possibilities (this is our development >> support server, so it

Re: [CentOS] Xen cpu requirements

On Wed, Jul 14, 2010 at 1:32 PM, David Dyer-Bennet wrote: > I'm installing Centos 5.5 on a new Dell R301 server.  I wanted to run Xen > and have the full virtualization possibilities (this is our development > support server, so it runs a few real services and is available for > playing with thing

Re: [CentOS] Xen cpu requirements

On Wed, Jul 14, 2010 at 1:03 PM, Kwan Lowe wrote: > On Wed, Jul 14, 2010 at 1:32 PM, David Dyer-Bennet wrote: >> I'm installing Centos 5.5 on a new Dell R301 server.  I wanted to run Xen >> and have the full virtualization possibilities (this is our development >> support server, so it runs a few

Re: [CentOS] Xen cpu requirements

On Wed, July 14, 2010 12:47, Laurent Wandrebeck wrote: > On Wed, 14 Jul 2010 12:32:12 -0500 > "David Dyer-Bennet" wrote: > >> I'm installing Centos 5.5 on a new Dell R301 server. I wanted to run >> Xen >> and have the full virtualization possibilities (this is our development >> support server,

Re: [CentOS] Xen cpu requirements

On Wed, July 14, 2010 12:55, Brian Mathis wrote: > On Wed, Jul 14, 2010 at 1:49 PM, Dominik Zyla > wrote: >> On Wed, Jul 14, 2010 at 12:32:12PM -0500, David Dyer-Bennet wrote: >>> I'm installing Centos 5.5 on a new Dell R301 server.  I wanted to run >>> Xen >>> and have the full virtualization po

Re: [CentOS] Xen cpu requirements

On Wed, July 14, 2010 13:03, Kwan Lowe wrote: > On Wed, Jul 14, 2010 at 1:32 PM, David Dyer-Bennet wrote: >> I'm installing Centos 5.5 on a new Dell R301 server.  I wanted to run >> Xen >> and have the full virtualization possibilities (this is our development >> support server, so it runs a few

Re: [CentOS] Xen cpu requirements

On Wed, July 14, 2010 13:07, Victor Padro wrote: > I own a Xeon X3430 & X3440 and both have vmx extensions so the X3450, > please recheck your BIOS config. > http://ark.intel.com/Product.aspx?id=42929 The Intel page certainly says the X3450 has vt-x and vt-d. This system is a Dell Poweredge R31

Re: [CentOS] Xen cpu requirements

On Wed, Jul 14, 2010 at 3:06 PM, David Dyer-Bennet wrote: > On Wed, July 14, 2010 13:07, Victor Padro wrote: > >> I own a Xeon X3430 & X3440 and both have vmx extensions so the X3450, >> please recheck your BIOS config. >> http://ark.intel.com/Product.aspx?id=42929 > > The Intel page certainly say

Re: [CentOS] Xen cpu requirements

On Wed, July 14, 2010 14:09, Brian Mathis wrote: > Are you checking the stats from inside the dom0 or a domU? What's the > output of 'uname -a'? In dom0; I haven't gone ahead creating domUs yet, until I'm sure I've got the dom0 right. [local...@prcapp00 ~]$ uname -a Linux prcapp00.pinerivercap

Re: [CentOS] Xen cpu requirements

On Wed, Jul 14, 2010 at 01:47:00PM -0500, David Dyer-Bennet wrote: > I found one BIOS entry, "Virtualization technology"; it was initially > disabled, but I enabled it before I installed CENTOS, and verified that it > was still enabled later (I reported enabling it in my original message). > I'll

Re: [CentOS] Xen cpu requirements

On Wed, Jul 14, 2010 at 2:12 PM, David Dyer-Bennet wrote: > > On Wed, July 14, 2010 14:09, Brian Mathis wrote: > >> Are you checking the stats from inside the dom0 or a domU?  What's the >> output of 'uname -a'? > > In dom0; I haven't gone ahead creating domUs yet, until I'm sure I've got > the do

Re: [CentOS] Xen cpu requirements

> That's the entry. But reports are some systems need to be fully powered off > for the entry to be effectively changed - some BIOSes evidently are flakey > about it. > +1 Totally agree, forgot that... -- Linux User #452368 http://twitter.com/vpadro "Everything that irritates us about others

Re: [CentOS] Xen cpu requirements

On Wed, Jul 14, 2010 at 02:20:10PM -0500, Victor Padro wrote: > they're not explicit as I stated but perhaps it just states as VT-D or > something that you may overlooked it. VT-d (Virtualization Technology for Directed I/O) is virtualization for devices. With this it's possible for a guest OS to

Re: [CentOS] Xen cpu requirements

On Wed, July 14, 2010 14:20, Whit Blauvelt wrote: > On Wed, Jul 14, 2010 at 01:47:00PM -0500, David Dyer-Bennet wrote: > >> I found one BIOS entry, "Virtualization technology"; it was initially >> disabled, but I enabled it before I installed CENTOS, and verified that >> it >> was still enabled la

Re: [CentOS] Xen cpu requirements

On Wed, Jul 14, 2010 at 2:28 PM, Stephen Harris wrote: > On Wed, Jul 14, 2010 at 02:20:10PM -0500, Victor Padro wrote: >> they're not explicit as I stated but perhaps it just states as VT-D or >> something that you may overlooked it. > > VT-d (Virtualization Technology for Directed I/O) is virtual

Re: [CentOS] Xen cpu requirements

On Wed, 14 Jul 2010, David Dyer-Bennet wrote: > The flags from /proc/cpuinfo after this reboot where I checked the > virtualization setting in the bios are: > > flags : fpu tsc msr pae cx8 apic mtrr cmov pat clflush acpi mmx > fxsr sse sse2 ss ht syscall nx lm constant_tsc ida pni est s

Re: [CentOS] Xen cpu requirements

On Wed, July 14, 2010 14:57, R P Herrold wrote: > On Wed, 14 Jul 2010, David Dyer-Bennet wrote: > >>> That's the entry. But reports are some systems need to be >>> fully powered off for the entry to be effectively changed - >>> some BIOSes evidently are flakey about it. >> >> Now *there's* somethi

Re: [CentOS] Xen cpu requirements

On Wed, July 14, 2010 15:08, Paul Heinlein wrote: > On Wed, 14 Jul 2010, David Dyer-Bennet wrote: > >> The flags from /proc/cpuinfo after this reboot where I checked the >> virtualization setting in the bios are: >> >> flags : fpu tsc msr pae cx8 apic mtrr cmov pat clflush acpi >> mmx >>

Re: [CentOS] Xen cpu requirements

On Wed, July 14, 2010 14:20, Whit Blauvelt wrote: > On Wed, Jul 14, 2010 at 01:47:00PM -0500, David Dyer-Bennet wrote: > >> I found one BIOS entry, "Virtualization technology"; it was initially >> disabled, but I enabled it before I installed CENTOS, and verified that >> it >> was still enabled la

Re: [CentOS] Xen cpu requirements

On Wed, 2010-07-14 at 16:17 -0400, R P Herrold wrote: > * chuckle * > > The other thing might be to use that device you hold beside > the ear and the mouth, and let the magic voices ask you for > your chassis' Service tag or Express Service Code -- the > voices know all sorts of information a

Re: [CentOS] Xen cpu requirements

On 7/15/10, Victor Padro wrote: > AFAIK, VT-d is only implemented LGA 1156/P55 and 34XX Chipsets: > http://www.intel.com/products/server/chipsets/3400-3420/3400-3420-overview.htm AFAIK from the last couple of weeks of looking for suitable parts, some of the desktop Q series chipsets (Q35, Q45 acc

Re: [CentOS] Xen cpu requirements

On Wed, Jul 14, 2010 at 02:12:52PM -0500, David Dyer-Bennet wrote: > > On Wed, July 14, 2010 14:09, Brian Mathis wrote: > > > Are you checking the stats from inside the dom0 or a domU? What's the > > output of 'uname -a'? > > In dom0; I haven't gone ahead creating domUs yet, until I'm sure I've

Re: [CentOS] Xen cpu requirements

On Mon, July 19, 2010 04:38, Pasi Kärkkäinen wrote: > On Wed, Jul 14, 2010 at 02:12:52PM -0500, David Dyer-Bennet wrote: >> >> On Wed, July 14, 2010 14:09, Brian Mathis wrote: >> >> > Are you checking the stats from inside the dom0 or a domU? What's the >> > output of 'uname -a'? >> >> In dom0; I

Re: [CentOS] Xen clock drift

Jack Bailey wrote: > These domains are fully virtualized and set up identically, except > "badclock" is allocated two processors versus one processor for > "goodclock". DomU's clock is running normally. > > Anyone know what's going or know how to fix it? This is a known issue that has come up on

Re: [CentOS] Xen clock drift

Rick Barnes wrote: > > Akemi Yagi wrote: >> On Jan 8, 2008 4:51 AM, Rick Barnes <[EMAIL PROTECTED]> wrote: >>> Jack Bailey wrote: These domains are fully virtualized and set up identically, except "badclock" is allocated two processors versus one processor for "goodclock". DomU's c

Re: [CentOS] Xen clock drift

On Jan 8, 2008 4:51 AM, Rick Barnes <[EMAIL PROTECTED]> wrote: > Jack Bailey wrote: > > These domains are fully virtualized and set up identically, except > > "badclock" is allocated two processors versus one processor for > > "goodclock". DomU's clock is running normally. > > > > Anyone know what

Re: [CentOS] Xen clock drift

Akemi Yagi wrote: > On Jan 8, 2008 4:51 AM, Rick Barnes <[EMAIL PROTECTED]> wrote: >> Jack Bailey wrote: >>> These domains are fully virtualized and set up identically, except >>> "badclock" is allocated two processors versus one processor for >>> "goodclock". DomU's clock is running normally. >

Re: [CentOS] Xen clock drift

On Jan 8, 2008 5:05 AM, Rick Barnes <[EMAIL PROTECTED]> wrote: > > Akemi Yagi wrote: > > On Jan 8, 2008 4:51 AM, Rick Barnes <[EMAIL PROTECTED]> wrote: > >> Jack Bailey wrote: > >>> These domains are fully virtualized and set up identically, except > >>> "badclock" is allocated two processors versu

Re: [CentOS] Xen clock drift

> From: Jack Bailey <[EMAIL PROTECTED]> > Date: Jan 8, 2008 3:17 AM > To: centos@centos.org > > Hello All, > > Consider a CentOS-5.1 Xen server (2.6.18-53.1.4.el5xen) hosting two > domains running CentOS-5.1 (2.6.18-53.1.4.el5). One domain has a fairly > accurate clock, the other domain has a cloc

Re: [CentOS] Xen clock drift

badclock# ksh ./xenclockdrift ntpd: time slew -0.000193s ntpd: time set -57.356377s ntpd: time slew +0.002352s ntpd: time slew +0.003018s ntpd: time set -57.417488s ntpd: time slew +0.012089s ntpd: time slew -0.000985s These domains are fully virtualized and set up identically, except "badclock

Re: [CentOS] Xen clock drift

On 08/01/2008 15:15, Brian Mathis wrote: From: Jack Bailey <[EMAIL PROTECTED]> Date: Jan 8, 2008 3:17 AM To: centos@centos.org Hello All, Consider a CentOS-5.1 Xen server (2.6.18-53.1.4.el5xen) hosting two domains running CentOS-5.1 (2.6.18-53.1.4.el5). One domain has a fairly accurate clock,

Re: [CentOS] Xen clock drift

On Jan 9, 2008 7:41 AM, Luke Dudney <[EMAIL PROTECTED]> wrote: > At least, that is the theory. Empirically, using the vmware tools time > sync feature will push a slow VM's clock forwards, but it won't push a > fast clock backwards. I'm yet to see a "best practice" for ensuring > proper time synchr

Re: [CentOS] Xen clock drift

A note by Johnny Hughes in http://bugs.centos.org/view.php?id=2189 (comment 6644): "As a side note ... if the clock GAINS (runs to fast) time you should be able to fix it with this: http://kb.vmware.com/kb/1591 (by setting the correct host.cpukHz) and vmware tools should adjust a clock that i

Re: [CentOS] Xen clock drift

On Jan 9, 2008 12:35 PM, Jack Bailey <[EMAIL PROTECTED]> wrote: > > > A note by Johnny Hughes in http://bugs.centos.org/view.php?id=2189 > > (comment 6644): > > > > "As a side note ... if the clock GAINS (runs to fast) time you should > > be able to fix it with this: > > > > http://kb.vmware.com/kb

[CentOS] Xen 3.2 x64 rpms?

Hi all Does anyone know where I can get Xen 3.2 x64 rpm's? I see there are Xen 3.2 rpm's on the Xen downloads page for CentOS 5, but they're 32bit -- Kind Regards Rudi Ahlers CEO, SoftDux Web: http://www.SoftDux.com Check out my technical blog, http://blog.softdux.com for Linux or other t

[CentOS] centOS xen domU kernel

Hi, how can i make actual xen kernel to work under my domU virtual machines? When i will provide as kernel /boot/vmlinuz-2.6.18-53.1.14.el5xen as ramdisk /boot/initrd-2.6.18-53.1.14.el5xen.img , it will not work becouse of error that root device does not exists. And when it is booting it is showin

[CentOS] xen network io load

Hello I have Xen related issues. I try to describe it as best as I can. While transmitting large amounts of data from domU the IO load increases greatly, thus making the domU unusable. The load is significant even on dom0. The performance of cpus and hard drives is not an issue. We have this prob

[CentOS] xen in production servers

Hello A simple question Is virtualization (Xen) in CentOS stable for big developments ? Somebody is using it for important servers ? Would have to wait for an update? Thanks in advance roberto -- Ing. Roberto Pereyra ContenidosOnline http://www.contenidosonline.com.ar Get secure managed e

Re: [CentOS] XEN virtualization Problem

Gopinath Achari a écrit : Hi, I am trying to install windows XP on XEN. The Base operating system is Centos 5.1 I used GUI tool Virtual Manager. Once this Virtual manager is started is connected the XEN and QEMU. i used new tab placed below to install a virtual OS ( ex. Winxp

Re: [CentOS] xen and nvidia

ASFAIK it will not work! It will only work with the regular kernels. JohnStanley On Sat, 2008-08-16 at 00:21 -0400, sbeam wrote: > has anyone had any luck getting nvidia to work with the latest xen kernel > under x86_64? I found an unsupported method involving IGNORE_XEN_PRESENCE > [1], but it

Re: [CentOS] xen and nvidia

sbeam wrote: has anyone had any luck getting nvidia to work with the latest xen kernel under x86_64? I found an unsupported method involving IGNORE_XEN_PRESENCE [1], but it doesn't work for me. Everything google turns up seems to be a year old. prob nothing has changed but I just wonder. I w

[CentOS] Xen "bridged" networking config

I've got a Centos guest and a Windows 2003 server guest running in Xen under Centos (5.2 in both cases), and they can get out to the network, and I can ping them from dom0. This is my first Xen install, and I haven't used Linux as a router before (I'm very familiar with it as a webserver and devel

[CentOS] Xen HVM and tap:aio

Hello, I'm wondering if anyone out there is doing tap:aio disk devices on a Xen HVM vm with any success. Please let me know if you are, and perhaps your version info and a config file snippet. I've posted this to the xen-users list, and what I'm trying to do seems to be correct, works on Ubuntu,

[CentOS] Xen guest not starting automatically

I have a xen system with four guest OS's, (see list below). When I reboot the host, other guests autostart normally, but mail2 does not. I have found no explanation for this. The host and all guests are CentOS 5.5. [r...@farm1 xen]# ls -l /etc/xen/auto total 0 lrwxrwxrwx 1 root root 8 Dec 11 2

Re: [CentOS] xen kernel can't boot

on 5-21-2009 9:52 AM cjzjm100 spake the following: > I had installed the kernel-xen-2.6.18-128.1.10.el5 .However ,when i > chosed that,the system could't boot.It just always reboot!When i chosed > the kernel-2.6.18-128.1.10.el5,there was nothing wrong! > What's the problem? > Corrupt kernel? Virtu

[CentOS] xen guest system - install source

I am installing my first xen system (CentOS 5.3). The host system seems to be ok. I am following this tutorial: http://www.howtoforge.com/installing-xen-on-centos-5.2-i386-p2 Now I try to use virt-install to install the first guest system, but I cannot find a working install source. I have tri

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