[CentOS] Two cleanly installed CentOS 5.6 servers but with different Xen kernel versions
Cal Webster
cwebster at ec.rr.com
Fri Apr 15 14:30:50 UTC 2011
It's possible that your #2 server has not rebooted or had problems with
the latest kernel or just has the default set to something other than
"0" in grub.conf.
What's the output of:
egrep 'default|title' /etc/grub.conf
yum list kernel | grep kernel
./Cal
On Fri, 2011-04-15 at 16:18 +0200, Hans Vos wrote:
> Hello,
>
> Earlier this week I installed a test server with CentOS 5.6 with
> Virtualization enabled during the installer. Today I installed another
> server using the same method (they are identical servers). I just did a
> yum update and I found something curious. Both servers have a different
> kernel. Server 1 is at 9.1 version and server 2 at 5.1. How can this be?
> How to I get the latest version on server 2? If I run yum update there
> are none available.
>
> If I input xm info I get this one server 1:
>
> host : server1
> release : 2.6.18-238.9.1.el5xen
> version : #1 SMP Tue Apr 12 18:53:56 EDT 2011
> machine : x86_64
> nr_cpus : 4
> nr_nodes : 1
> sockets_per_node : 1
> cores_per_socket : 4
> threads_per_core : 1
> cpu_mhz : 2400
> hw_caps :
> bfebfbff:20100800:00000000:00000940:0000e3bd:00000000:00000001
> total_memory : 4095
> free_memory : 383
> node_to_cpu : node0:0-3
> xen_major : 3
> xen_minor : 1
> xen_extra : .2-238.9.1.el5
> xen_caps : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32
> hvm-3.0-x86_32p hvm-3.0-x86_64
> xen_pagesize : 4096
> platform_params : virt_start=0xffff800000000000
> xen_changeset : unavailable
> cc_compiler : gcc version 4.1.2 20080704 (Red Hat 4.1.2-50)
> cc_compile_by : mockbuild
> cc_compile_domain : centos.org
> cc_compile_date : Tue Apr 12 18:01:03 EDT 2011
> xend_config_format : 2
>
> And on server 2 it is this:
>
> host : server2
> release : 2.6.18-238.5.1.el5xen
> version : #1 SMP Fri Apr 1 19:35:13 EDT 2011
> machine : x86_64
> nr_cpus : 4
> nr_nodes : 1
> sockets_per_node : 1
> cores_per_socket : 4
> threads_per_core : 1
> cpu_mhz : 2400
> hw_caps :
> bfebfbff:20100800:00000000:00000940:0000e3bd:00000000:00000001
> total_memory : 4095
> free_memory : 383
> node_to_cpu : node0:0-3
> xen_major : 3
> xen_minor : 1
> xen_extra : .2-238.5.1.el5
> xen_caps : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32
> hvm-3.0-x86_32p hvm-3.0-x86_64
> xen_pagesize : 4096
> platform_params : virt_start=0xffff800000000000
> xen_changeset : unavailable
> cc_compiler : gcc version 4.1.2 20080704 (Red Hat 4.1.2-50)
> cc_compile_by : mockbuild
> cc_compile_domain : centos.org
> cc_compile_date : Fri Apr 1 18:30:53 EDT 2011
> xend_config_format : 2
>
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