I'm trying to do something slightly silly; rather than having a C5 machine
and a C6 machine around for compiling and testing, I want to create a C5
chroot area. Something similar to "mock" but using lvm snapshots and some
local config specific stuff.
(Potentially even using Linux Containers to enter the chroot environment).
So I thought I'd build out the chroot...
% cat /etc/yum.repos.d/c5.repo
[c5]
name=CentOS-$releasever - Media
baseurl=http://repo/CentOS/DVD/CentOS-5-x86_64/
gpgcheck=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5
enabled=0
[c5-update]
name=CentOS-$releasever - Updates local
baseurl=http://repo/CentOS/updates/centos5/x86_64/
gpgcheck=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5
enabled=0
Now I can do
yum --disablerepo=* --enablerepo=c5* -y --installroot=$ROOT install $rpms
(where $rpms is derived from what anaconda left behind on an old install)
So far so... "ok". Some issues with post-install scripts breaking, but
it mostly works.
Verifying : 3:traceroute-2.0.1-6.el5.x86_64 235/237
Verifying : setup-2.5.58-9.el5.noarch 236/237
Verifying : at-3.1.8-84.el5.x86_64 237/237
Installed:
MAKEDEV.x86_64 0:3.23-1.2
SysVinit.x86_64 0:2.86-17.el5
acl.x86_64 0:2.2.39-8.el5
[etc etc]
EXCEPT...
test2.pts/0% chroot /mnt5 /bin/sh
sh-3.2# ls
bin dev home lib64 media opt root selinux sys usr
boot etc lib lost+found mnt proc sbin srv tmp var
sh-3.2# rpm -qa
rpmdb: /var/lib/rpm/Packages: unsupported hash version: 9
error: cannot open Packages index using db3 - Invalid argument (22)
error: cannot open Packages database in /var/lib/rpm
The rpm database is in the format of C6, so the C5 programs can't
read it!
Anyone have any ideas on how I can work around this problem? It's
a little annoying!
Thanks,
--
rgds
Stephen
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