Re: [CentOS-virt] RE: [CentOS] Running CentOS 4.6 domUs on CentOS 5.1 dom0 and domUscrash

2008-03-18 Thread Pasi Kärkkäinen
On Mon, Mar 17, 2008 at 05:30:21PM -0400, Ross S. W. Walker wrote: Tim Verhoeven wrote: On Mon, Mar 17, 2008 at 8:05 PM, Nathan Grennan [EMAIL PROTECTED] wrote: I have a CentOS 5.1 dom0 running on a machine with two cores and 4gb of memory. It runs three 4.6 domUs and one 5.1 domU.

Re: [CentOS-virt] Cannot start xen domUs anymore, domUs hang on kernel startup, happens after a long dom0 uptime

2008-08-14 Thread Pasi Kärkkäinen
On Wed, Aug 13, 2008 at 08:51:34PM -0500, Christopher G. Stach II wrote: Pasi Kärkkäinen wrote: Hello! I've noticed this problem two times now.. last time I fixed it by rebooting the (centos 5.1 x86 32b) xen host/dom0. Symptoms: - Already running domUs (debian 2.6.18-6-xen-686 32b PAE

Re: [CentOS-virt] VMware Server clock woes (running too fast)

2008-08-21 Thread Pasi Kärkkäinen
On Wed, Aug 20, 2008 at 07:37:25AM -0500, Michael Ekstrand wrote: Akemi Yagi [EMAIL PROTECTED] writes: On Tue, Aug 19, 2008 at 5:55 PM, Michael Ekstrand [EMAIL PROTECTED] wrote: I'm running VMware Server 1.0.6 on a CentOS 5.2 host and am having some clock difficulties. Host OS is x86_64

Re: [CentOS-virt] Running Fedora 10 (and rawhide) Xen guests/domUs on CentOS 5 dom0

2008-12-01 Thread Pasi Kärkkäinen
On Mon, Dec 01, 2008 at 12:46:17PM +, Karanbir Singh wrote: Pasi Kärkkäinen wrote: http://pasik.reaktio.net/tmp/ Will look at these today Ok, nice:) -- Pasi ___ CentOS-virt mailing list CentOS-virt@centos.org http://lists.centos.org/mailman

Re: [CentOS-virt] Running Fedora 10 (and rawhide) Xen guests/domUs on CentOS 5 dom0

2008-12-13 Thread Pasi Kärkkäinen
On Thu, Dec 04, 2008 at 12:04:07PM +0200, Pasi Kärkkäinen wrote: On Mon, Dec 01, 2008 at 07:27:57PM +0200, Pasi Kärkkäinen wrote: On Mon, Dec 01, 2008 at 12:46:17PM +, Karanbir Singh wrote: Pasi Kärkkäinen wrote: http://pasik.reaktio.net/tmp/ Will look at these today

[CentOS-virt] Tips for installing Fedora 10 32bit Xen PV domU/guest on CentOS 5.3 dom0/host

2009-03-24 Thread Pasi Kärkkäinen
Hello! Xen and related packages (libvirt, virt-install, virt-manager etc) in Upcoming CentOS 5.3 support running and installing Fedora 10 (and Fedora 11) paravirtual domU guest virtual machines. These upstream fixes (new features) make it possible: RHEL5.3 xen: include support for

Re: [CentOS-virt] Xen vs. iSCSI

2009-06-16 Thread Pasi Kärkkäinen
On Tue, Jun 16, 2009 at 01:57:55PM -0400, Bill McGonigle wrote: On 06/15/2009 11:33 PM, Luke S Crawford wrote: xm sched-credit -d 0 6 Ah, ha! This appears to work. I didn't need to reserve a CPU for the dom0 (knock on wood). Much obliged, Luke. I'm academically curious, though -

Re: [CentOS-virt] Xen vs. iSCSI

2009-06-16 Thread Pasi Kärkkäinen
On Tue, Jun 16, 2009 at 02:59:54PM -0400, Luke S Crawford wrote: Bill McGonigle b...@bfccomputing.com writes: On 06/15/2009 11:33 PM, Luke S Crawford wrote: xm sched-credit -d 0 6 Ah, ha! This appears to work. I didn't need to reserve a CPU for the dom0 (knock on wood). Much

[CentOS-virt] Installing/running Fedora 10 or Fedora 11 32b Xen domU on CentOS 5.3 x86_64 host/dom0 broken

2009-07-28 Thread Pasi Kärkkäinen
Hello. Yesterday I tried installing Fedora 10 and Fedora 11 i386 Xen domUs/guests using virt-install and/or virt-manager on CentOS 5.3 Xen x86_64 dom0/host. It doesn't work. The guest kernel crashes early and the graphical VNC console newer shows up. Installing x86_64 domU on x86_64 dom0 work

Re: [CentOS-virt] Performance tunning CentOS / Xen

2009-08-23 Thread Pasi Kärkkäinen
On Sun, Aug 23, 2009 at 01:34:08PM +0800, Ryan Chan wrote: Hello, I have followed standard documents to install CentOS 5.3 Xen. After playing around, stuffs are OK. So I move forward to tune the performance, are there any recommended documents/tutorial that specialized on performance

Re: [CentOS-virt] Domain0 with Kernel 2.6.18-92.1.22.el5xen fails to boot Guests with Kernel 2.6.18-164.el5xen

2009-09-27 Thread Pasi Kärkkäinen
On Sun, Sep 27, 2009 at 12:46:46PM +1000, Devraj Mukherjee wrote: Hi all, I am in a bit of a fix here, I have several Guests paravirtualized running on a Dom0 that is currently running the 2.6.18-92.1.22.el5xen Kernel. All my guests (administered by different people) have subsequently been

Re: [CentOS-virt] Migrating from KVM to XEN - kernel panic

2009-11-10 Thread Pasi Kärkkäinen
the initrd image [1], and reading the init script to see where it goes wrong). Good luck :) -- Pasi [1] mkdir /tmp/foo cd /tmp/foo zcat /boot/initrd-foo.img | cpio -i -d On Sat, Nov 7, 2009 at 2:24 PM, Pasi Kärkkäinen [1]pa...@iki.fi wrote: On Fri, Nov 06, 2009 at 11:49:41AM -0800

Re: [CentOS-virt] XEN and RH 6

2009-11-10 Thread Pasi Kärkkäinen
On Tue, Nov 10, 2009 at 10:11:24AM +0100, carlopmart wrote: Frederic SOULIER wrote: Hi, Do you really think that RHEL6 will not include dom0 version ? Yes, Xen Dom0 will be never supported from RHEL6, onlu domU ... It seems that KVM will be the favorite for redhat virtualisation but i

Re: [CentOS-virt] XEN and RH 6

2009-11-10 Thread Pasi Kärkkäinen
On Tue, Nov 10, 2009 at 11:27:57AM +0100, carlopmart wrote: Pasi Kärkkäinen wrote: Still it isn't official, but Citrix XenServer will disappears soon ... It will be integrated under Microsoft Hyper-V Uhm.. I don't believe this. Where did you read that? Citrix XenServer

Re: [CentOS-virt] XEN and RH 6

2009-11-10 Thread Pasi Kärkkäinen
On Tue, Nov 10, 2009 at 01:20:11PM +0100, carlopmart wrote: Pasi Kärkkäinen wrote: On Tue, Nov 10, 2009 at 11:27:57AM +0100, carlopmart wrote: Pasi Kärkkäinen wrote: Still it isn't official, but Citrix XenServer will disappears soon ... It will be integrated under Microsoft Hyper-V

Re: [CentOS-virt] XEN and RH 6

2009-11-10 Thread Pasi Kärkkäinen
On Tue, Nov 10, 2009 at 05:01:46AM -0800, Grant McWilliams wrote: On Tue, Nov 10, 2009 at 4:36 AM, carlopmart [1]carlopm...@gmail.com wrote: Pasi KÀrkkÀinen wrote: On Tue, Nov 10, 2009 at 01:20:11PM +0100, carlopmart wrote: Pasi KÀrkkÀinen wrote: On Tue,

Re: [CentOS-virt] XEN and RH 6

2009-11-10 Thread Pasi Kärkkäinen
On Tue, Nov 10, 2009 at 03:49:59PM +0100, Dennis J. wrote: On 11/10/2009 03:35 PM, Grant McWilliams wrote: Both Novell and Oracle having been deeply involved in Xen lately, both are developing and supporting their own products based on Xen. -- Pasi ___ I have

Re: [CentOS-virt] XEN and RH 6

2009-11-10 Thread Pasi Kärkkäinen
On Tue, Nov 10, 2009 at 05:12:50PM +0200, Pasi Kärkkäinen wrote: On Tue, Nov 10, 2009 at 03:49:59PM +0100, Dennis J. wrote: On 11/10/2009 03:35 PM, Grant McWilliams wrote: Both Novell and Oracle having been deeply involved in Xen lately, both are developing and supporting

Re: [CentOS-virt] XEN and RH 6

2009-11-10 Thread Pasi Kärkkäinen
On Tue, Nov 10, 2009 at 07:49:01AM -0800, Grant McWilliams wrote: Which I guess makes describing a guest as fully virtualized or paravirtualized rather pointless given that there now is just a degree of how paravirtualized a guest is depending on the drivers you use.

Re: [CentOS-virt] Xen pci passthru problems with kernel -164.6.1

2009-11-10 Thread Pasi Kärkkäinen
On Tue, Nov 10, 2009 at 01:57:42PM -0200, Miguel Di Ciurcio Filho wrote: I previously reported this on the centos mailing list: http://lists.centos.org/pipermail/centos/2009-November/085672.html And I've found out that Red Hat has backported the VT-d support from Xen 3.3 to RHEL 5.4.

Re: [CentOS-virt] XEN and RH 6

2009-11-10 Thread Pasi Kärkkäinen
On Tue, Nov 10, 2009 at 11:36:39PM +0200, Pasi Kärkkäinen wrote: On Tue, Nov 10, 2009 at 01:52:36PM -0500, Scott McClanahan wrote: Yeah.. Xen paravirtualized mmu is fast, and in some (many) cases beats CPU hardware virtualized mmu. KVM has 'pvmmu' aswell, but it's not as good, so

Re: [CentOS-virt] XEN and RH 6

2009-11-15 Thread Pasi Kärkkäinen
On Thu, Nov 12, 2009 at 12:43:48PM +0100, Kris Buytaert wrote: On Tue, 2009-11-10 at 16:26 +0200, Pasi Kärkkäinen wrote: Both Novell and Oracle having been deeply involved in Xen lately, both are developing and supporting their own products based on Xen. Given the fact

Re: [CentOS-virt] Xen domU default gateway missing/ARP table full

2009-11-19 Thread Pasi Kärkkäinen
On Wed, Nov 18, 2009 at 11:39:24AM -0500, Ken Bass wrote: I have been trying to figure out why my domU NIC becomes unreachable (could not even ping) at various times. (Normally when the server was trying to update clamav from the various busy mirrors at 4am). There also seemed to be some

Re: [CentOS-virt] Fedora 12 2.6.31.5-127.fc12 domU on CentOS 5.4 2.6.18-164.6.1.el5xen fails to boot

2009-11-24 Thread Pasi Kärkkäinen
On Mon, Nov 23, 2009 at 05:51:51PM -0500, Charles J Gruener wrote: I've only got the one virtual disk. /boot is on xvda1 with / and swap in LVs. The PV is xvda2. Double check the F12 /boot type. It needs to be ext3 for now. RHEL5 / CentOS5 doesn't have ext4 pygrub support yet. Xen packages

Re: [CentOS-virt] Fedora 12 2.6.31.5-127.fc12 domU on CentOS 5.4 2.6.18-164.6.1.el5xen fails to boot

2009-11-25 Thread Pasi Kärkkäinen
On Tue, Nov 24, 2009 at 10:08:05PM -0500, Charles J Gruener wrote: On Tue, 2009-11-24 at 14:11 -0500, Charles J Gruener wrote: Well, I found the issue. Anyone care to help me figure out how to get this resolved? https://bugzilla.redhat.com/show_bug.cgi?id=529846 Charles To

Re: [CentOS-virt] Fedora 12 2.6.31.5-127.fc12 domU on CentOS 5.4 2.6.18-164.6.1.el5xen fails to boot

2009-12-01 Thread Pasi Kärkkäinen
could have sworn when I tried either F 10 or F 11 - I couldn't work it without qemu running. But I could be wrong :) Maybe I should retry 11... On Wed, 25 Nov 2009, Pasi Kärkkäinen wrote: On Tue, Nov 24, 2009 at 12:24:06PM -0500, Scot P. Floess wrote: I have a silly question... I

Re: [CentOS-virt] Fedora 12 2.6.31.5-127.fc12 domU on CentOS 5.4 2.6.18-164.6.1.el5xen fails to boot

2009-12-01 Thread Pasi Kärkkäinen
On Mon, Nov 30, 2009 at 11:29:33AM -0600, Christopher G. Stach II wrote: - Scot P. Floess sflo...@nc.rr.com wrote: It sure does...I am running it now... This has affected F8, F10, 5.3, and so on for a few years. I wouldn't count on it ever working unless you dig up the patches and

Re: [CentOS-virt] Fedora 12 2.6.31.5-127.fc12 domU on CentOS 5.4 2.6.18-164.6.1.el5xen fails to boot

2009-12-01 Thread Pasi Kärkkäinen
network. I was pleased just to be able to run F11 in some capacity as a Xen guest :) Now, if I could just get F12 to work ;) What's the problem with F12? :) Works for me, both as Xen PV domU and as dom0 (using custom dom0 kernel). -- Pasi On Tue, 1 Dec 2009, Pasi Kärkkäinen wrote

Re: [CentOS-virt] Has anyone gotten Fedora 12 running as a Xen guest?

2009-12-01 Thread Pasi Kärkkäinen
On Tue, Dec 01, 2009 at 12:35:12PM -0500, Scot P. Floess wrote: I am running CentOS 5.4 (both i386 and x86_64 - different physical machines)... I've been able to get Fedora 11 running as a Xen guest - no trouble. However, I have had no luck with Fedora 12. My kickstart file lists /boot

Re: [CentOS-virt] Fedora 12 2.6.31.5-127.fc12 domU on CentOS 5.4 2.6.18-164.6.1.el5xen fails to boot

2009-12-03 Thread Pasi Kärkkäinen
On Fri, Dec 04, 2009 at 09:36:49AM +0200, Pasi Kärkkäinen wrote: On Tue, Dec 01, 2009 at 01:22:06PM -0500, Scot P. Floess wrote: What happens is /boot is always installing as ext4 - no matter what I set it to be in my kickstart file. I use Cobbler/KOAN for my VM installs... What did

Re: [CentOS-virt] Help with the bugtracker

2010-01-12 Thread Pasi Kärkkäinen
On Fri, Jan 08, 2010 at 12:01:15PM +, Karanbir Singh wrote: Hi Guys, There are a fair few issues reported at bugs.centos.org around virt issues, Xen / KVM and even VMware stuff. And I know there is a lot of knowledge and talent around those areas here on this list. Just wondering if

Re: [CentOS-virt] boot order with Xen domxml

2010-01-18 Thread Pasi Kärkkäinen
On Mon, Jan 18, 2010 at 02:13:22PM -0800, Mr. X wrote: Hey Virtualeers, When using domxml to configure a Xen domain, where is the meta spec for boot order? Before domxml, using xen-xm, this was easy: boot = 'dca' ; 1-CD | 2-HD | 3-floppy When I try adding this below with Virsh (vi),

Re: [CentOS-virt] Windows Xen VM's have high guest CPU usage and poor performance

2010-01-21 Thread Pasi Kärkkäinen
On Wed, Jan 20, 2010 at 10:18:06PM -0500, Ryan Pugatch wrote: Hello all, I have a PowerEdge 2950 that I am using to host Windows XP VM's under CentOS. I am experiencing poor performance in the Xen VM's. Any time I try to do something, the CPU usage (as reported by the Windows task

Re: [CentOS-virt] Windows Xen VM's have high guest CPU usage and poor performance

2010-01-21 Thread Pasi Kärkkäinen
On Thu, Jan 21, 2010 at 11:37:02AM -0500, Ryan Pugatch wrote: Eric Searcy wrote: The install worked beautifully except that my VM now has an ip assigned of 192.168.122.186 which I'm guessing is in relation to virbr0 which is 192.168.122.1 on the host (and subsequently has no internet

Re: [CentOS-virt] Windows Xen VM's have high guest CPU usage and poor performance

2010-01-22 Thread Pasi Kärkkäinen
On Thu, Jan 21, 2010 at 04:39:31PM -0500, Ryan Pugatch wrote: Pasi Kärkkäinen wrote: Oh, one more thing.. is it only the guest VM taking cpu time when you monitor with xm top? Do you have the latest service packs installed in the guest? Have you tried monitoring the performance from

Re: [CentOS-virt] Windows Xen VM's have high guest CPU usage and poor performance

2010-01-25 Thread Pasi Kärkkäinen
On Sun, Jan 24, 2010 at 09:03:58PM -0500, Ryan Pugatch wrote: Pasi Kärkkäinen wrote: Also many people are running Windows 2003 VMs on Xen without problems. -- Pasi My patch management and antivirus console machine is a Xen virtualized Windows 2008 machine that doesn't have problems. I

Re: [CentOS-virt] [CentOS] Very unresponsive, sometimes stalling domU (5.4, x86_64)

2010-03-02 Thread Pasi Kärkkäinen
On Tue, Mar 02, 2010 at 09:30:50AM +0100, Timo Schoeler wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi list, please forgive cross posting, but I cannot specify the problem enough to say whether list it fits perfectly, so I'll ask on both. I have some machines based with

Re: [CentOS-virt] gpl pv drivers and Centos 5.4

2010-03-14 Thread Pasi Kärkkäinen
On Sat, Mar 13, 2010 at 07:17:58AM -0500, F M wrote: Hello, I am using Windows XP/2003 and 2008 under Xen. What is the correct version of gpl pv drivers for Windows under Centos 5.4 Dom0 ? rpm -q xen said 3.0.3.x but xen info said 3.1.x Xen hypervisor in EL5 is version 3.1.2 + a lot of

Re: [CentOS-virt] reboot guest on panic

2010-03-14 Thread Pasi Kärkkäinen
On Sun, Mar 14, 2010 at 09:03:23AM +1100, Norman Gaywood wrote: I have a guest that keeps crashing and want to automatically reboot it when it crashes. See: xen PV guest kernel 2.6.32 processes lock up in D state https://bugzilla.redhat.com/show_bug.cgi?id=550724 if you want to look

Re: [CentOS-virt] reboot guest on panic

2010-03-16 Thread Pasi Kärkkäinen
On Mon, Mar 15, 2010 at 11:06:01AM +1100, Norman Gaywood wrote: On 15 March 2010 10:12, Christopher G. Stach II c...@ldsys.net wrote: - Norman Gaywood ngayw...@une.edu.au wrote: 64bit multi-vcpu. The guest is quite heavyweight, 30GB of memory and 12vcpu. It's a LTSP server designed to

Re: [CentOS-virt] moving from Xen to KVM

2010-03-17 Thread Pasi Kärkkäinen
On Wed, Mar 17, 2010 at 02:15:52PM +0100, Hildebrand, Nils, 232 wrote: Hi, just two questions: 1. Is there anything faster than XEN-paravirtualization? 2. Why XEN 5? XEN 3 is quite stable, too. I guess you mean Citrix XenServer 5.5 with Xen 5 ? It's a completely different, full

Re: [CentOS-virt] Silly question about KVM

2010-03-17 Thread Pasi Kärkkäinen
On Wed, Mar 17, 2010 at 09:42:34AM -0400, Scot P. Floess wrote: I was wondering, if I do not have hardware that natively supports full virtualization...and I choose to use KVM, will my VMs be running in some form of chip emulation (and therefore terribly slow). To date, I've been using

Re: [CentOS-virt] moving from Xen to KVM

2010-03-18 Thread Pasi Kärkkäinen
On Wed, Mar 17, 2010 at 03:49:40PM -0700, Grant McWilliams wrote: On Wed, Mar 17, 2010 at 6:35 AM, Dennis J. [1]denni...@conversis.de wrote: On 03/17/2010 02:15 PM, Hildebrand, Nils, 232 wrote: Hi, I have 31 DomUs up and running on a single Box - and have a strong

Re: [CentOS-virt] Silly question about KVM

2010-03-18 Thread Pasi Kärkkäinen
On Wed, Mar 17, 2010 at 02:35:34PM -0700, Grant McWilliams wrote: On Wed, Mar 17, 2010 at 12:02 PM, Scot P. Floess [1]sflo...@nc.rr.com wrote: Sure, I understand the support until 2014...was more thinking of moving to 6 and beyond... People focus on this a lot but

Re: [CentOS-virt] Xen HVM domU won't start since updates to 2.6.18-164.15.1 kernels

2010-03-28 Thread Pasi Kärkkäinen
On Sat, Mar 27, 2010 at 11:53:41PM -0500, Christopher G. Stach II wrote: - Aaron Clark ophid...@ophidian.homeip.net wrote: What steps should I take next to debug this? Downgrade back to where you were bit by bit (or just guess that it's dom0's kernel) and see when it starts working

Re: [CentOS-virt] Xen HVM domU won't start since updates to 2.6.18-164.15.1 kernels

2010-03-28 Thread Pasi Kärkkäinen
On Sun, Mar 28, 2010 at 12:45:58PM -0400, Aaron Clark wrote: On 03/28/2010 07:59 AM, Pasi Kärkkäinen wrote: On Sat, Mar 27, 2010 at 11:53:41PM -0500, Christopher G. Stach II wrote: - Aaron Clarkophid...@ophidian.homeip.net wrote: What steps should I take next to debug this? Downgrade

Re: [CentOS-virt] Xen HVM domU won't start since updates to 2.6.18-164.15.1 kernels

2010-03-28 Thread Pasi Kärkkäinen
On Sun, Mar 28, 2010 at 06:39:01PM -0400, Aaron Clark wrote: On 03/28/2010 03:36 PM, Pasi Kärkkäinen wrote: On Sun, Mar 28, 2010 at 12:45:58PM -0400, Aaron Clark wrote: Ok, I've tried the following now: - rebooted the dom0 into the previous, working kernel-xen and start domU (doesn't

[CentOS-virt] RHEL 5.5 Xen fixes

2010-03-31 Thread Pasi Kärkkäinen
Hello, RHEL 5.5 has been released, and it contains many Xen related fixes. Here's the most important of the them.. fixing a dom0 caching bug which could cause domU disk corruption when the domU disk was accessed from dom0 after the domU was shutdown. Most people noticed this bug when pygrub

Re: [CentOS-virt] RHEL 5.5 Xen fixes

2010-03-31 Thread Pasi Kärkkäinen
On Wed, Mar 31, 2010 at 03:43:38PM -0400, Grant McWilliams wrote: On Wed, Mar 31, 2010 at 11:38 AM, Pasi KÀrkkÀinen [1]pa...@iki.fi wrote: Hello, RHEL 5.5 has been released, and it contains many Xen related fixes. Here's the most important of the them.. fixing a

Re: [CentOS-virt] RHEL 5.5 Xen fixes

2010-04-01 Thread Pasi Kärkkäinen
On Thu, Apr 01, 2010 at 09:19:34AM +1100, Norman Gaywood wrote: On Wed, Mar 31, 2010 at 11:28:56PM +0300, Pasi Kärkkäinen wrote: On Wed, Mar 31, 2010 at 03:43:38PM -0400, Grant McWilliams wrote: Are these changes in the kernel or changes to the installed Xen? I'm wondering

Re: [CentOS-virt] RHEL 5.5 Xen fixes

2010-04-01 Thread Pasi Kärkkäinen
On Thu, Apr 01, 2010 at 09:08:42AM +0300, Pasi Kärkkäinen wrote: On Wed, Mar 31, 2010 at 06:29:51PM -0400, Stephen Harris wrote: On Thu, Apr 01, 2010 at 09:19:34AM +1100, Norman Gaywood wrote: This may be a dumb/FA question but how do you run Xen 3.4+ with the latest Centos kernel

Re: [CentOS-virt] CentOS and Xen 3.0.3

2010-04-04 Thread Pasi Kärkkäinen
On Sat, Apr 03, 2010 at 11:49:00PM -0300, Gilberto Nunes wrote: Hi I install CentOS 5.4 and try to use Xen But when I deploy some VM with Virt-manager and specify 2 or more VCPUS to use, when start the vm it start with just one CPU... On this VM I install Windows 2003 Server... This

Re: [CentOS-virt] RHEL / CentOS 5.5 Xen fixes

2010-05-15 Thread Pasi Kärkkäinen
On Wed, Mar 31, 2010 at 06:38:27PM +0300, Pasi Kärkkäinen wrote: Hello, RHEL 5.5 has been released, and it contains many Xen related fixes. Here's the most important of the them.. fixing a dom0 caching bug which could cause domU disk corruption when the domU disk was accessed from dom0

Re: [CentOS-virt] Bug in reboot phase : workaround or patch ?

2010-05-25 Thread Pasi Kärkkäinen
On Mon, May 24, 2010 at 11:16:56PM +0200, Erwan MAS wrote: Hello , I use Centos 5.4 , with the redhat version of xen . I need for some guest to change the hardware for the network . So in my xen config i add the model option in the vif line . When the guest boot , i had the right

Re: [CentOS-virt] Xen 3.4 on CentOS 5.5

2010-05-26 Thread Pasi Kärkkäinen
On Wed, May 26, 2010 at 10:08:16AM -0700, C.J. Adams-Collier wrote: Hey all, I'm trying to get Xen working well on CentOS 5.5. We currently build from source, and this is causing me all sorts of problems. What steps would be required to build an official CentOS 5.5 package of Xen 3.4? I

Re: [CentOS-virt] Xen 3.1.2 on CentOS 5.5 doesn't see all 4 CPUs

2010-06-04 Thread Pasi Kärkkäinen
On Thu, Jun 03, 2010 at 10:45:12AM -0600, compdoc wrote: Well, I can't say for sure the reason why it doesn't see all cpus, but I do know a P-III system is not going to support virtualization technology, so you would never be able to run windows guests on it. Only systems sold in the last year

Re: [CentOS-virt] is the xenconsoled crash solved?

2010-06-11 Thread Pasi Kärkkäinen
On Wed, Jun 09, 2010 at 11:57:21AM -0700, Fernando Gleiser wrote: One of our machines are being bitten by that bug, once every 2-4 weeks or so xenconsoled dies and all the VMs stop responding intil xenconsoled is restarted. I googled for it and I saw many people reporting it but no

Re: [CentOS-virt] is the xenconsoled crash solved?

2010-06-11 Thread Pasi Kärkkäinen
On Wed, Jun 09, 2010 at 09:17:07PM +0200, Alexander Lindqvist wrote: It is not solved in 5.5. xenconsoled still dies after a few weeks and needs a restart to gain console access to domu's from dom0 (domu's still responding). Has anyone found a solution to this ? Not really.. but I opened a

Re: [CentOS-virt] Move Xen Image to Another Server

2010-06-14 Thread Pasi Kärkkäinen
On Mon, Jun 14, 2010 at 12:22:53PM +0800, Wendy William wrote: Dear, I want to move xen image (Dom-U) to another Server (both Servers use CentOS 5.5). Can I just copy the file to new server then create new Dom-U and pointed to the image file? Any information of link/doc/manual is

Re: [CentOS-virt] Lockup with (none) login

2010-07-06 Thread Pasi Kärkkäinen
On Mon, Jul 05, 2010 at 09:34:25PM -0400, Ben M. wrote: I had a CentOS 5.5 Xen standard virtualization install lockup on reboot after an battery backup (apcusbd) orderly shutdown induced by a power outage. It may have been sitting with two kernel updates without a reboot. I have to head

Re: [CentOS-virt] which virtualization platform to choose

2010-07-26 Thread Pasi Kärkkäinen
On Mon, Jul 26, 2010 at 03:30:38PM -0300, Gilberto Nunes wrote: Friends I'm in doubt here: which virtualization platform to choose and why? If I have just installed a VM I choose Xen or KVM? And when I have more than 5 or 10 VM's? Please, I need your help to choose right. It depends on

Re: [CentOS-virt] Vmware Server 2 and KVM....

2010-08-17 Thread Pasi Kärkkäinen
On Tue, Aug 17, 2010 at 09:35:24AM +0100, James Hogarth wrote: Uh.. are you mixing Xen and KVM now? I think KVM *always* requires the kernel module, aka CPU support for hardware virtualization. -- Pasi You might be right... having trouble googling something... but I thought

Re: [CentOS-virt] performance differences between kvm/xen

2010-10-16 Thread Pasi Kärkkäinen
On Thu, Oct 14, 2010 at 02:16:42PM +0100, Bart Swedrowski wrote: Hi Karanbir, On 14 October 2010 19:59, Karanbir Singh mail-li...@karan.org wrote: On 10/14/2010 07:48 AM, Tom Bishop wrote: I think xen is still on top in terms of performance and featuresnow that is indeed what it

Re: [CentOS-virt] performance differences between kvm/xen

2010-10-19 Thread Pasi Kärkkäinen
On Sat, Oct 16, 2010 at 09:58:15PM +0200, Dennis Jacobfeuerborn wrote: On 10/16/2010 08:11 PM, Pasi Kärkkäinen wrote: On Thu, Oct 14, 2010 at 02:16:42PM +0100, Bart Swedrowski wrote: Hi Karanbir, On 14 October 2010 19:59, Karanbir Singhmail-li...@karan.org wrote: On 10/14/2010 07:48

Re: [CentOS-virt] performance differences between kvm/xen

2010-10-24 Thread Pasi Kärkkäinen
On Tue, Oct 19, 2010 at 12:47:03PM +0200, Dennis Jacobfeuerborn wrote: On 10/19/2010 09:41 AM, Pasi Kärkkäinen wrote: On Sat, Oct 16, 2010 at 09:58:15PM +0200, Dennis Jacobfeuerborn wrote: On 10/16/2010 08:11 PM, Pasi Kärkkäinen wrote: On Thu, Oct 14, 2010 at 02:16:42PM +0100, Bart

Re: [CentOS-virt] Xen on Centos 5.5 vs 5.3 and stability issues

2010-10-28 Thread Pasi Kärkkäinen
On Thu, Oct 28, 2010 at 01:56:33PM +1300, Steven Ellis wrote: I've recently upgraded a Centos 5.3 machine to Centos 5.5. The hardware isn't HVM capabile so I'm only running para-virt guests. Using a vanilla i386 kernel boots without, but the newer kernel-xen locks up the Dom0

Re: [CentOS-virt] Xen on Centos 5.5 vs 5.3 and stability issues

2010-11-01 Thread Pasi Kärkkäinen
2010 17:37:17 +0300, Pasi Kärkkäinen pa...@iki.fi wrote: On Thu, Oct 28, 2010 at 01:56:33PM +1300, Steven Ellis wrote: I've recently upgraded a Centos 5.3 machine to Centos 5.5. The hardware isn't HVM capabile so I'm only running para-virt guests. Using a vanilla i386 kernel boots

Re: [CentOS-virt] SPICE Benchmark

2010-11-18 Thread Pasi Kärkkäinen
On Wed, Nov 17, 2010 at 10:02:49PM -0500, Scott Dowdle wrote: Greetings, - Original Message - So as I understand it correctly, this whole SPICE thing is just something like VNC on steroids? Why can't we have this SPICE thing work on physical hosts as well? SPICE was

[CentOS-virt] [HOWTO] Running Xen 4.0 host (dom0) with Redhat Enterprise Linux 6 (RHEL6)

2010-11-18 Thread Pasi Kärkkäinen
Hello, If you're interested in running Xen 4.0 hypervisor/dom0 on RHEL6, take a look at here: http://wiki.xen.org/xenwiki/RHEL6Xen4Tutorial It explains steps needed to rebuild Xen 4.0.1 src.rpm from Fedora on RHEL6, and how to fetch dom0 capable 2.6.32.x kernel from upstream git repository. It

Re: [CentOS-virt] IBM GPFS filesystem

2010-12-02 Thread Pasi Kärkkäinen
On Fri, Dec 03, 2010 at 12:45:22PM +0530, Rajagopal Swaminathan wrote: Greetings, On Fri, Dec 3, 2010 at 12:37 AM, Fabian Arrotin fabian.arro...@arrfab.net wrote: Adam Wead wrote: Hi all, Why would so much people use a clusterfs for Virtualization ? Just use lvm and a logical

Re: [CentOS-virt] Storage performance

2010-12-13 Thread Pasi Kärkkäinen
On Sat, Dec 11, 2010 at 11:13:29PM +0530, Rajagopal Swaminathan wrote: Greetings, On Sat, Dec 11, 2010 at 7:50 PM, Dennis Jacobfeuerborn denni...@conversis.de wrote: Hi, I recently did some benchmarking on a Rackspace VM and was surprised that bonnie++ showed a read throughput of almost

Re: [CentOS-virt] hot-plug vfb on Xen domU?

2011-01-18 Thread Pasi Kärkkäinen
On Sun, Jan 16, 2011 at 01:22:30AM +0100, Chris Wik wrote: On 16.01.2011, at 00:12, Pasi Kärkkäinen wrote: * Related, I can't figure out how I can change the VNC password without restarting the domU, as the password is specified in the vfb config. Is what I am trying to do possible

Re: [CentOS-virt] Recommendations, please

2011-06-22 Thread Pasi Kärkkäinen
On Thu, Jun 16, 2011 at 11:07:14AM -0400, Steve Campbell wrote: I've finally got a new machine coming that will allow me to play with virtualization. What might most of you recommend for the type of virtualization software I use. I seem to recall that xen might not be the best choice due to

Re: [CentOS-virt] where can i download PV drivers for CENTOS 5.5 HVM Guest

2011-07-01 Thread Pasi Kärkkäinen
On Thu, Jun 30, 2011 at 09:43:00AM +0530, veerasena reddy wrote: Hi, This is VeeraSena Reddy (shortly called VSR), recently started working on XEN. I installed CENTOS 5.5 as HVM Guest on XEN-3.4.3 and now i would like to install and test PV Drivers on this guest. Can

[CentOS-virt] Many Xen related bugfixes and enhancements in RHEL 5.7 / CentOS 5.7

2011-07-21 Thread Pasi Kärkkäinen
Hello, RHEL 5.7 has just been released, so here are some interesting Xen related bugfixes and enhancements in el5.7: Overview of Xen update in 5.7: http://rhn.redhat.com/errata/RHBA-2011-1070.html Technical notes about Xen changes in 5.7:

Re: [CentOS-virt] Many Xen related bugfixes and enhancements in RHEL 5.7 / CentOS 5.7

2011-07-21 Thread Pasi Kärkkäinen
On Thu, Jul 21, 2011 at 03:17:31PM +0300, Pasi Kärkkäinen wrote: Hello, RHEL 5.7 has just been released, so here are some interesting Xen related bugfixes and enhancements in el5.7: Overview of Xen update in 5.7: http://rhn.redhat.com/errata/RHBA-2011-1070.html Technical notes about

Re: [CentOS-virt] Fwd: bnx2x driver in Xen4 kernel

2013-11-09 Thread Pasi Kärkkäinen
On Thu, Oct 31, 2013 at 10:34:57AM -0400, Dusty Mabe wrote: Hi, After following the instructions here http://wiki.centos.org/HowTos/Xen/Xen4QuickStart and installing the kernel from Xen4 CentOS project (kernel-3.4.61-9.el6.centos.alt.x86_64) I can't use any networking because the firmware

Re: [CentOS-virt] Xen updates / TODO

2014-02-18 Thread Pasi Kärkkäinen
On Tue, Feb 18, 2014 at 07:19:07PM +, Karanbir Singh wrote: On 02/18/2014 04:43 PM, Pasi Kärkkäinen wrote: Hello, A couple of TODO items/suggestions: 1) Xen 4.2.4 was just released: http://lists.xen.org/archives/html/xen-devel/2014-02/msg01624.html I think we should

Re: [CentOS-virt] Xen updates / TODO

2014-02-20 Thread Pasi Kärkkäinen
On Thu, Feb 20, 2014 at 11:02:17AM +0200, Pasi Kärkkäinen wrote: On Wed, Feb 19, 2014 at 11:51:40AM +, David Vrabel wrote: On 18/02/14 20:54, Pasi Kärkkäinen wrote: On Tue, Feb 18, 2014 at 07:19:07PM +, Karanbir Singh wrote: On 02/18/2014 04:43 PM, Pasi Kärkkäinen wrote: Hello

Re: [CentOS-virt] Xen updates / TODO

2014-02-20 Thread Pasi Kärkkäinen
On Thu, Feb 20, 2014 at 10:51:57AM +, David Vrabel wrote: On 20/02/14 09:04, Pasi Kärkkäinen wrote: Oh, another question.. are there any important not-yet-upstream patches in the XS dom0 kernel queue for Linux 3.10? You can view the current XenServer patch queue at: https

Re: [CentOS-virt] Xen updates / TODO

2014-02-20 Thread Pasi Kärkkäinen
On Tue, Feb 18, 2014 at 02:55:12PM -0600, Johnny Hughes wrote: On 02/18/2014 01:19 PM, Karanbir Singh wrote: On 02/18/2014 04:43 PM, Pasi Kärkkäinen wrote: Hello, A couple of TODO items/suggestions: 1) Xen 4.2.4 was just released: http://lists.xen.org/archives/html/xen-devel/2014

Re: [CentOS-virt] Xen updates / TODO

2014-02-20 Thread Pasi Kärkkäinen
On Thu, Feb 20, 2014 at 10:26:04AM -0600, Johnny Hughes wrote: Shall we start with the first step, which is upgrading to Xen 4.2.4? :) I am getting ready to shutdown my machine and pack it up to head out for the airport right now, to go to Scale12x:

Re: [CentOS-virt] Xen updates / TODO

2014-02-22 Thread Pasi Kärkkäinen
On Sat, Feb 22, 2014 at 06:10:41AM -0800, Johnny Hughes wrote: On 02/19/2014 03:51 AM, David Vrabel wrote: On 18/02/14 20:54, Pasi Kärkkäinen wrote: On Tue, Feb 18, 2014 at 07:19:07PM +, Karanbir Singh wrote: On 02/18/2014 04:43 PM, Pasi Kärkkäinen wrote: Hello, A couple of TODO

Re: [CentOS-virt] Xen updates / TODO

2014-02-22 Thread Pasi Kärkkäinen
On Sat, Feb 22, 2014 at 05:32:56PM +0200, Pasi Kärkkäinen wrote: David, Is this the proper qemu-xen snapshot to use for xen-4.2.4 ? http://xenbits.xen.org/gitweb/?p=qemu-upstream-4.2-testing.git;a=commit;h=6d17c397dfadb29e641d5da1eb3381d240decedc It seems to have the qemu-xen

Re: [CentOS-virt] Xen updates / TODO

2014-02-22 Thread Pasi Kärkkäinen
On Sat, Feb 22, 2014 at 07:37:42AM -0800, Johnny Hughes wrote: On 02/22/2014 07:35 AM, Pasi Kärkkäinen wrote: On Sat, Feb 22, 2014 at 05:32:56PM +0200, Pasi Kärkkäinen wrote: David, Is this the proper qemu-xen snapshot to use for xen-4.2.4 ? http://xenbits.xen.org/gitweb/?p=qemu

Re: [CentOS-virt] Xen4CentOS installation strangeness

2014-03-04 Thread Pasi Kärkkäinen
On Tue, Mar 04, 2014 at 02:50:40PM +0200, Peter Peltonen wrote: Hi, I have a server with Supermicro X7DVL-3 (P9) motherboard, 16G ECC RAM and LSI SAS 1068e RAID controller. I installed CentOS 6.5 64bit on the machine without any problems, but after following the Xen setup steps at

Re: [CentOS-virt] Fwd: Xen4CentOS kernel panic on dom0 reboot

2014-03-07 Thread Pasi Kärkkäinen
On Thu, Mar 06, 2014 at 01:54:22PM -0600, Phillippe Welsh wrote: Subject: Re: [CentOS-virt] Xen4CentOS kernel panic on dom0 reboot On Wed, Mar 5, 2014 at 10:17 AM, David Vrabel david.vrabel at citrix.comwrote: On 05/03/14 15:09, Karl Johnson wrote: I've been using Xen4CentOS for

Re: [CentOS-virt] Fwd: Xen4CentOS kernel panic on dom0 reboot

2014-03-09 Thread Pasi Kärkkäinen
into place. Yeah, it's worth testing both, to figure out what's wrong. -- Pasi On Fri, Mar 7, 2014 at 10:43 PM, Pasi Kärkkäinen [1]pa...@iki.fi wrote: On Thu, Mar 06, 2014 at 01:54:22PM -0600, Phillippe Welsh wrote: Subject: Re: [CentOS-virt] Xen4CentOS kernel panic on dom0

Re: [CentOS-virt] Xen updates / TODO

2014-03-10 Thread Pasi Kärkkäinen
On Thu, Feb 20, 2014 at 10:26:04AM -0600, Johnny Hughes wrote: 2) After that, we should start packaging/testing Xen 4.3.2: http://lists.xen.org/archives/html/xen-devel/2014-02/msg01622.html Xen 4.3 brings much improved XL toolstack in addition to a lot of other changes/fixes.

Re: [CentOS-virt] Xen updates / TODO

2014-03-11 Thread Pasi Kärkkäinen
On Tue, Mar 11, 2014 at 10:01:28AM +0200, Pasi Kärkkäinen wrote: I should be back home and ready to go by Tuesday morning though ... so if I don't get time to do it at SCALE, I will on Tuesday. Ok so Xen 4.2.4 and Linux 3.10.32 dom0 kernel are out in the xen4centos repo now

Re: [CentOS-virt] Xen updates / TODO

2014-03-12 Thread Pasi Kärkkäinen
On Wed, Mar 12, 2014 at 05:18:57AM -0500, Johnny Hughes wrote: On 03/11/2014 03:05 AM, Pasi Kärkkäinen wrote: On Tue, Mar 11, 2014 at 10:01:28AM +0200, Pasi Kärkkäinen wrote: I should be back home and ready to go by Tuesday morning though ... so if I don't get time to do it at SCALE, I

Re: [CentOS-virt] Virt SIG roadmap

2014-04-23 Thread Pasi Kärkkäinen
On Tue, Apr 22, 2014 at 05:23:57PM +0100, George Dunlap wrote: On Tue, Apr 15, 2014 at 5:53 PM, George Dunlap dunl...@umich.edu wrote: As promised, in preparation for next week's SIG meeting, here's a kick-off discussion about the Virtualization SIG roadmap. I'm mainly tossing out ideas

Re: [CentOS-virt] Xen PV domU reported as Xen-HVM

2014-07-07 Thread Pasi Kärkkäinen
On Thu, Jul 03, 2014 at 11:42:25AM -0400, Karl Johnson wrote: Thanks for the reply George. Is there any other easy way in the domU to know if it's a pv or hvm with Xen 4.2+ and the right hardware? Did you try dmidecode? -- Pasi Karl

Re: [CentOS-virt] Xen 4.4.1-rc1+ rebase

2014-08-04 Thread Pasi Kärkkäinen
re-ping :) -- Pasi On Mon, Jul 14, 2014 at 02:07:13PM +0100, George Dunlap wrote: Johhny / KB -- Ping? -George On Mon, Jul 7, 2014 at 6:28 PM, George Dunlap dunl...@umich.edu wrote: On Mon, Jul 7, 2014 at 5:21 PM, George Dunlap dunl...@umich.edu wrote: I've got a first cut of the

Re: [CentOS-virt] Xen 4.4.1-rc1+ rebase

2014-08-18 Thread Pasi Kärkkäinen
On Mon, Aug 04, 2014 at 03:47:52PM -0400, George Dunlap wrote: On Mon, Jul 14, 2014 at 8:44 PM, Johnny Hughes jhug...@hughesjr.com wrote: On 07/14/2014 08:07 AM, George Dunlap wrote: Johhny / KB -- Ping? -George Are we ready to try this build on our builders? I don't know? :-) I

Re: [CentOS-virt] Xen 4.4.1-rc1+ rebase

2014-09-03 Thread Pasi Kärkkäinen
On Mon, Aug 18, 2014 at 01:22:55PM -0500, Johnny Hughes wrote: On 08/18/2014 01:01 PM, Pasi Kärkkäinen wrote: On Mon, Aug 04, 2014 at 03:47:52PM -0400, George Dunlap wrote: On Mon, Jul 14, 2014 at 8:44 PM, Johnny Hughes jhug...@hughesjr.com wrote: On 07/14/2014 08:07 AM, George Dunlap

Re: [CentOS-virt] Reminder: Phone meeting today / CentOS 7 Xen rpms

2014-09-10 Thread Pasi Kärkkäinen
On Tue, Sep 09, 2014 at 03:43:54PM +0100, George Dunlap wrote: - Someone has alraeady ported 4.4.1 to C7 -- may be useful as a head start That was Pry Mar, added to CC. His .spec files and src.rpms for Xen 4.4 on Centos7 are here: http://www.tlviewer.org/xen/cent7/dom0/ Pry: Can you

Re: [CentOS-virt] Xen4CentOS e1000e package

2014-10-08 Thread Pasi Kärkkäinen
On Tue, Oct 07, 2014 at 02:47:12PM -0500, Johnny Hughes wrote: On 10/07/2014 12:05 PM, George Dunlap wrote: KB and I were looking at repositories to import into git.centos.org recently, and we found the e1000e package -- a rebuild of the Intel e1000 driver for the x4c kernel. Does

Re: [CentOS-virt] Reminder: CentOS Virt SIG call today, 2pm GMT

2014-12-02 Thread Pasi Kärkkäinen
On Tue, Dec 02, 2014 at 12:07:11PM +, George Dunlap wrote: Just a reminder to everyone, we've got our bi-weekly Virt SIG meeting today. It's on a phone bridge this time; e-mail me if you want the dial-in information. Lars, will you be hosting the call, or shall I? Unfortunately I

Re: [CentOS-virt] CentOS 6 Xen 4.4.1 packages available on virt6-testing

2014-12-16 Thread Pasi Kärkkäinen
On Mon, Dec 15, 2014 at 06:24:36PM +, George Dunlap wrote: At long last, I've got some beta CentOS 6 4.4.1 packages up on the CBS. Great! Major updates include: * Update to Xen 4.4.1. Also includes all XSAs through 114 * Update to latest blktap 2.5 * Updated libvirt packages (1.2.10),

  1   2   >