Hello,
Has anyone set up Xen on an existing CentOS 4.3 system? Does it work well, or is it better to wipe the system and start clean? I haven't found a lot of information about this specifically.
Secondly, I have found on the xen source website downloads for xen 3.02, which are meant for FC4 or RHEL (U1). I'm tempted to try the RHEL downloads, but I don't have any spare machines to test on, so I'd have to do it to a live system (!). Even though the xen download is for RHEL U1, will it work on RHEL U3/CentOS 4.3 machine? Has anyone tried this?
I'm anxious to consolidate three of my servers onto one under used machine because one of the three is going to suffer a HD failure soon (it's locking up every now and then, and I hear the HD making clicking noises!).
Thanks in advance for any tips or comments.
Regards,
Ranbir
Hi,
I have xen-3 running on a dual pIII and centos-4.2, since early march. Its been realy stable. I'd suggest visiting Karanbir Singh's centos site as I got lots of good info there when I set my box up. One problem I found so far has been JVM related when I had written some JSP to run w/ Tomcat, the server dies after a while. This didn't happen with xen 2. Anyway here's a link you may find helpfull. http://www.karan.org/blog/index.php/2005/12/06/xen3_on_centos4
--Rickp
On 4/22/06, Kanwar Ranbir Sandhu m3freak@rogers.com wrote:
Hello,
Has anyone set up Xen on an existing CentOS 4.3 system? Does it work well, or is it better to wipe the system and start clean? I haven't found a lot of information about this specifically.
Secondly, I have found on the xen source website downloads for xen 3.02, which are meant for FC4 or RHEL (U1). I'm tempted to try the RHEL downloads, but I don't have any spare machines to test on, so I'd have to do it to a live system (!). Even though the xen download is for RHEL U1, will it work on RHEL U3/CentOS 4.3 machine? Has anyone tried this?
I'm anxious to consolidate three of my servers onto one under used machine because one of the three is going to suffer a HD failure soon (it's locking up every now and then, and I hear the HD making clicking noises!).
Thanks in advance for any tips or comments.
Regards,
Ranbir
-- Kanwar Ranbir Sandhu Linux 2.6.16-1.2069_FC4 i686 GNU/Linux 14:06:42 up 7:36, 2 users, load average: 0.86, 0.52, 0.21
CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
On Sat, 2006-22-04 at 20:26 +0000, Rick Philbrick wrote:
I have xen-3 running on a dual pIII and centos-4.2, since early march. Its been realy stable. I'd suggest visiting Karanbir Singh's centos site as I got lots of good info there when I set my box up. One problem I found so far has been JVM related when I had written some JSP to run w/ Tomcat, the server dies after a while. This didn't happen with xen 2. Anyway here's a link you may find helpfull. http://www.karan.org/blog/index.php/2005/12/06/xen3_on_centos4
Thanks for the link.
After doing some reading, I started to set this up. When it came time to install, there were a few obvious problems:
sudo rpm -Uvh glibc-2.3.4-2.9xen2.i686.rpm glibc-common-2.3.4-2.9xen2.i386.rpm glibc-devel-2.3.4-2.9xen2.i386.rpm glibc-headers-2.3.4-2.9xen2.i386.rpm xen-3.0.2.2-86.1_rhel4.1.i386.rpm xen-kernel-2.6.16-xen3_86.1_rhel4.1.i686.rpm Preparing... ########################################### [100%] package glibc-common-2.3.4-2.19 (which is newer than glibc-common-2.3.4-2.9xen2) is already installed package glibc-2.3.4-2.19 (which is newer than glibc-2.3.4-2.9xen2) is already installed package glibc-headers-2.3.4-2.19 (which is newer than glibc-headers-2.3.4-2.9xen2) is already installed package glibc-devel-2.3.4-2.19 (which is newer than glibc-devel-2.3.4-2.9xen2) is already installed
Crud. Need packages for glibc-2.3.4-2.19.
I installed the xen package and xen-kernel from xen source, but got these errors:
WARNING: /lib/modules/2.6.16-xen3_86.1_rhel4.1/kernel/drivers/serial/8250.ko needs unknown symbol uart_get_baud_rate WARNING: /lib/modules/2.6.16-xen3_86.1_rhel4.1/kernel/drivers/serial/8250.ko needs unknown symbol uart_resume_port WARNING: /lib/modules/2.6.16-xen3_86.1_rhel4.1/kernel/drivers/serial/8250.ko needs unknown symbol uart_register_driver WARNING: /lib/modules/2.6.16-xen3_86.1_rhel4.1/kernel/drivers/serial/8250.ko needs unknown symbol uart_suspend_port WARNING: /lib/modules/2.6.16-xen3_86.1_rhel4.1/kernel/drivers/serial/8250.ko needs unknown symbol uart_remove_one_port WARNING: /lib/modules/2.6.16-xen3_86.1_rhel4.1/kernel/drivers/serial/8250.ko needs unknown symbol uart_update_timeout WARNING: /lib/modules/2.6.16-xen3_86.1_rhel4.1/kernel/drivers/serial/8250.ko needs unknown symbol uart_unregister_driver WARNING: /lib/modules/2.6.16-xen3_86.1_rhel4.1/kernel/drivers/serial/8250.ko needs unknown symbol uart_get_divisor WARNING: /lib/modules/2.6.16-xen3_86.1_rhel4.1/kernel/drivers/serial/8250.ko needs unknown symbol uart_match_port WARNING: /lib/modules/2.6.16-xen3_86.1_rhel4.1/kernel/drivers/serial/8250.ko needs unknown symbol uart_add_one_port WARNING: /lib/modules/2.6.16-xen3_86.1_rhel4.1/kernel/drivers/serial/8250.ko needs unknown symbol uart_write_wakeup
Looks like I can ignore these, but it's not pretty.
I'll have to wait for updated packages to be installed, install from source, or rebuild the xen source glibc source RPM for glibc-2.3.4-.19. I don't want to do a source install, and I already took a look at the source RPM - yikes. I don't want to touch that spec file. Guess I'll have to wait then.
I wonder why xen source has packages for RHEL 4.1, but not anything newer. There have been a lot critical security updates since then.
Regards,
Ranbir
On Sun, 2006-23-04 at 12:46 -0400, Kanwar Ranbir Sandhu wrote:
I'll have to wait for updated packages to be installed, install from source, or rebuild the xen source glibc source RPM for glibc-2.3.4-.19. I don't want to do a source install, and I already took a look at the source RPM - yikes. I don't want to touch that spec file. Guess I'll have to wait then.
Replying to myself...
Actually, I have another option: I can just keep the glibc pacakges I already have installed, and just "disable" tls, as described in the docs. Think I'll give this a go.
Regards,
Ranbir
-
Kanwar Ranbir Sandhu -
Rick Philbrick