[CentOS] GNBD and DRBD kernel mods

[Bart]

Hmm, I have to disagree:

First check the current kernelversion:
[root at bartje ~]# uname -a
Linux bartje 2.6.18-8.1.8.el5.centos.plus #1 SMP Mon Jul 16 08:49:50 EDT 2007 i686 athlon i386 GNU/Linux

Check for kmod-drbd:
[root at bartje ~]# modprobe drbd
[root at bartje ~]# lsmod | grep drbd
drbd                  180488  1

Install the gnbd-kernel mod. We do want to keep the current kernel, so we exclude it now:
[root at bartje ~]# yum install kmod-gnbd --exclude=kernel
Loading "installonlyn" plugin
Setting up Install Process
Setting up repositories
Reading repository metadata in from local files
Excluding Packages in global exclude list
Finished
Parsing package install arguments
Resolving Dependencies
--> Populating transaction set with selected packages. Please wait.
---> Downloading header for kmod-gnbd to pack into transaction set.
kmod-gnbd-0.1.3-4.2.6.18_ 100% |=========================| 4.2 kB    00:00
---> Package kmod-gnbd.i686 0:0.1.3-4.2.6.18_8.1.6.el5 set to be installed
--> Running transaction check
--> Processing Dependency: kernel-i686 = 2.6.18-8.1.6.el5 for package: kmod-gnbd
--> Finished Dependency Resolution
Error: Missing Dependency: kernel-i686 = 2.6.18-8.1.6.el5 is needed by package kmod-gnbd

Oops.. Do we have the extra repro?
[root at bartje ~]# grep extra /etc/yum.repos.d/CentOS-*
/etc/yum.repos.d/CentOS-Base.repo:[extras]
/etc/yum.repos.d/CentOS-Base.repo:mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=extras
/etc/yum.repos.d/CentOS-Base.repo:#baseurl=http://mirror.centos.org/centos/$releasever/extras/$basearch/

Jeps, and it's enabled (but that's not shown :P )

But what if we do allow the kernel to be updated/changed?

[root at bartje ~]# yum install kmod-gnbd
Loading "installonlyn" plugin

<SNIP!>

Dependencies Resolved

=============================================================================
 Package                 Arch       Version          Repository        Size
=============================================================================
Installing:
 kmod-gnbd               i686       0.1.3-4.2.6.18_8.1.6.el5  updates            13 k
Removing:
 kernel                  i686       2.6.18-8.1.8.el5  installed          34 M
Installing for dependencies:
 kernel                  i686       2.6.18-8.1.6.el5  updates            12 M
Removing for dependencies:
 kmod-gnbd               i686       0.1.3-4.2.6.18_8.1.8.el5  installed          25 k

Transaction Summary
=============================================================================
Install      2 Package(s)
Update       0 Package(s)
Remove       2 Package(s)

Total download size: 12 M
Is this ok [y/N]:    

That will remove kmod-drbd, which I need...

Regards,

Bart                  

----- Original Message -----
From: "Johnny Hughes" 
To: "CentOS mailing list" 
Subject: Re: [CentOS] GNBD and DRBD kernel mods
Date: Sat, 18 Aug 2007 06:46:20 -0500


Bart wrote:
> Hi all,
>
> I am using heartbeat and drbd on CentOS 5 (see 
> http://www.centos.org/modules/newbb/viewtopic.php?topic_id=7816&forum=41 for 
> details)..
>
> DRBD and heartbeat are working, and now I want to put GNBD on top 
> on this. However, I installed the latest CentOS-plus kernel 
> (2.6.18-8.1.8.el5.centos.plus) but there doesn't appear to be a 
> kmod-gndb for this kernel.
>
> Looks like the latest kmod-gnbd is available for kernel 
> 2.6.18-8.1.8.el5. But I cannot find a kmod-drbd for this kernel. 
> Am I missing something or is this worth a entry in the buglist?
>
> Tnx!
>

That kmod is in extras repo:

http://mirror.centos.org/centos/5/extras/i386/RPMS/
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